C.B.I. Gen 3 4Runner REAR BUMPER Build

Chaplain · 09-28-2009, 09:42 PM

Getting a rear bumper on the FUNrunner has long been overdue and has become a huge need for my surf safari and prerunning/race-chasing activities down in Baja. There are two major/serious reasons why the need for a real bumper; 1)I need to be able to carry a full size spare and 2)I need to make room for a fuel cell where the OEM spare is. Too many times the FUNrunner has all but made me walk from running out of fuel. For those of you that haven't ventured south of the boarder; gas stations are few and far between, when you do find one there is a good chance it will be closed or out of fuel. Not fun being stranded without gas in Baja at night.

To accomplish this build I turned to Steve Eagan of C.B.I. Fabrication out of Idaho Falls Idaho http://cbioffroadfab.com/. I have seen Steve's work up close on the Lucas Oil Off-Road Racing Series Bully-Dog pace truck that I ride in. He fabricated the bumpers and rear cage for that truck and it has served well bombing through the short-course jumps so I figured his work would be more then sufficent for the FUNrunners duties as a race-chasing prerunner.

We started by tearing off the old tow hitch and bumper. (hitch for sale)

Then fabrication started on the bracing for the future bumper and swinger.

Progress seemed slow, but I'm sure tomorrow will look more promising.

Our priorities in this build are to fabricate a performance/duty oriented bumper that is lean, high-clearance but still stout enough to carry needed items (spare tire, fuel jug, jack and breaker bar). I told Steve I didn't want some land-anchor that was all for show and not for go.

Stay tuned to see what we come up with as we are currently slaving away in the C.B.I. Shop. Any constructive input is always welcome.

This ad is not displayed to registered members.
Register your free account today and become a member on Yotatech!

**4x4Fink** · 09-28-2009, 09:49 PM

Subscribed.

Fink

Elton · 09-28-2009, 09:51 PM

looks promising

BigBluePile · 09-28-2009, 09:55 PM

Sweeet!

dannomite · 09-28-2009, 10:28 PM

Right on. Mine took me and my buddy about 18 hours one day to build.

Chaplain · 09-29-2009, 07:17 AM

Quote:

Originally Posted by dannomite

Right on. Mine took me and my buddy about 18 hours one day to build.

Good thing Steve has little elves working for him because somewhere between midnight and 6am some progress was made on the bumper. Not sure how that happened. Notice the inside bracket to add to bumpers support and still allow it to be "bolt-on".

Chaplain · 09-29-2009, 03:40 PM

More progress made:
To reinforce the frame, bumper and receiver hitch a cross brace was installed from inside frame rail to rail.

Things are moving along nicely and sliding the bumper skin on there you can see what direction Steve is moving. I can't wait.

For an added option a glove-box is added, Steve calls it the "bumper-box." It ate up a lot of time bending the folds but I think it will be awesome storage for a wet muddy tow strap or just security for the hitch receiver pin inside.

Hey, every pastor needs a holy bumper...

Chaplain · 09-30-2009, 08:37 AM

Bumper box welded in with lid, turned out real clean and flows well with the rest of the bumpers lines. Very cool!

Now for the fun part, getting the sides and corners put together.

dannomite · 09-30-2009, 08:55 AM

Starting to remind me of my bumper.

Chaplain · 09-30-2009, 08:05 PM

Off the truck ready to be welded up and a jig made so the rest of you can have one toooo.

Chaplain · 10-01-2009, 07:12 AM

Getting close just need to get the tire swing built, painted and installed. Steve's craftsmanship and welds are so good it was hard to cover it up with paint.

michalik_piotr · 10-01-2009, 07:39 AM

grt looking bumper! How much $$ for the off the shelf ones modeled after yours??

ADH8796 · 10-01-2009, 07:40 AM

I'll take one too please!

tmcorbin · 10-02-2009, 10:19 AM

Can you post the thickness of the steel used in the various places? looks like 1/4" for the frame brackets, and maybe 1/8" for the skirts on the side of the rear quarters. how thick for the frame reinforcement square tube, and the deck plate.

Thanks

Chaplain · 10-02-2009, 02:23 PM

DONE, Whohoooo!!

Bumper turned out awesome and I'm VERY pleased with the shops quality craftsmanship; they have a lot of pride in the products they are putting out there. Many many many thanks to the crew at CBI for their countless hours spent pounding this bumper out and making a jig for everyone else to have one. It was an honor to GET to work along side in the CBI shop, special thanks for all the patients you had with a preacher cutting, welding, and grinding. I learned a bunch and still have all my fingers.

This bumper is designed to be "bolt-on", outside of drilling a couple extra 9/16" holes and asking the neighbor for some lifting help it fit perfect.

Show & shine:

Dimple dies to give it a little race flavor and of course add to the structure rigidity.

Steve can lay down a nice bead that's for sure. I saved a few of them before he ground them off smooth. I guess some people like the seamless smooth look, but not I when the beads look this good(picture doesn't show well).

Just the right amount of space. I like how the shop caps the ends to give the bumper a factory/finished appearance and strength.

Form follows function. This is a stout bumper.

I'll take some pictures of the tire rack when I get it on, but for now I'm off to Farmington NM for WERock's rockcrawling finals.

Chaplain · 10-02-2009, 02:24 PM

Quote:

Originally Posted by tmcorbin

Can you post the thickness of the steel used in the various places? looks like 1/4" for the frame brackets, and maybe 1/8" for the skirts on the side of the rear quarters. how thick for the frame reinforcement square tube, and the deck plate.

Thanks

I'll get back to this one because I want to varify with the shop and not misquote the guage's used. You are right that there is a mixed use in the build.

nc994run · 10-02-2009, 05:03 PM

That looks great, would definitely be interested in one

tmcorbin · 10-02-2009, 08:07 PM

Thanks Chaps, I understand if the CBI holds some information close.

Your bumber is spot on, functional, durable, and not overly heavy. And dang good looking.

I have been thinking hard about what I want on the front and rear of our 85 and 87. The bumper that CBI built for you is pretty much exactly what I had in mind. Even started to draw a few that were similar.

Have been working hard at putting a decent garage together since returning from Japan in June. I figure that while I am saving the money for the high dollar parts and rebuild, I can spend some time fabricating bumpers and sliders.

BTW, my cousin is a Chaplin for RFC. Northern KY circle track. Never hurts to have a Chaplin in your fighting hole.

God bless

wormhole · 10-02-2009, 09:01 PM

Nice.......price??

Do you know if ther are going to build anymore?

Chaplain · 10-02-2009, 10:26 PM

Quote:

Originally Posted by wormhole

Nice.......price?? Do you know if ther are going to build anymore?

YES! The whole idea was to build one that could be re-manufactured and easily mounted on any 3rd Gen. Part of the reason the build took so long was building the jig as well. CBI is ready to take orders and I believe they will be priced out at $600ish (without the bumper box and exhaust cutout)

wormhole · 10-03-2009, 06:24 AM

Quote:

Originally Posted by Chaplain

YES! The whole idea was to build one that could be re-manufactured and easily mounted on any 3rd Gen. Part of the reason the build took so long was building the jig as well. CBI is ready to take orders and I believe they will be priced out at $600ish (without the bumper box and exhaust cutout)

That's one heck of a deal. Time to save my pennies. Glad they are one 3 hrs away from me, no shipping cost then.

Chaplain · 10-03-2009, 06:45 PM

Quote:

Originally Posted by tmcorbin

Can you post the thickness of the steel used in the various places? looks like 1/4" for the frame brackets, and maybe 1/8" for the skirts on the side of the rear quarters. how thick for the frame reinforcement square tube, and the deck plate.Thanks

Just got this from C.B.I.: They use 3/16" and 1/4". 1/4" for all the mounting and structure and then 3/16" for all the skinning and aesthetics. The recovery points use 3/4" and all of the tubing is .120" wall except the spindle which is 1.5" solid and the spindle hub that is .250" wall.

The price will indeed be in the $600.00 to $700.00 range, just for the bumper, the swing-away is $350.00. So all together it is $950.00 to $1050.00. CBI is trying to keep it under $1k for it all. The next one will tell them where the price is depending on how long it takes to build (1 to 1.5 days). Give them a call and tell them you want the Chaplain bumper.

MaK92-4RnR · 10-04-2009, 06:23 PM

Is there anyway to

and

a 2nd gen bumper up?

dannomite · 10-04-2009, 07:26 PM

Is there anyway to and a 2nd gen bumper up?
Yes! Go and build it!

aviator31 · 10-04-2009, 09:34 PM

Looks great, I'm glad someone is finally making a great looking rear bumper that is functional! Time to start saving up again...

09-28-2009, 09:49 PM	#2 (permalink)
4x4Fink Super Moderator Staff Join Date: Jul 2003 Location: Centerton, AR Posts: 5,952	Subscribed. Fink __________________ 1985 4Runner 22RE 4WD "Ratchet" 2007 Tacoma Double Cab SB 4x4 V6 TRD Sport AR-TTORA "My work number is 9-1-1."

09-28-2009, 09:51 PM	#3 (permalink)
Elton Contributing Member Join Date: Jul 2005 Location: Siletz,Oregon Posts: 10,644	looks promising __________________ My Truck 98 4runner SR5 3.4L 5spd 4x4 E-Locker Mods Mom 07 Tundra d-cab limited 5.7L 4x4 auto sister 92 pickup SR5 X-cab 3.0L 5spd 4x4 Papa 89 Pickup SR5 X-cab 4x4 3.0L 5spd/98 4runner SR5 4x4 auto 3.4L R.I.P 91 4runner SR5 4x4 3.0L 5spd Totaled 5/13/06 My Wreck

09-28-2009, 10:28 PM	#5 (permalink)
dannomite Registered User Join Date: Aug 2008 Posts: 237	Right on. Mine took me and my buddy about 18 hours one day to build. __________________ 1996 SR5 5speed rear locker.

09-29-2009, 03:40 PM	#7 (permalink)
Chaplain Registered User Join Date: Apr 2007 Location: California or Colorado Posts: 98	Day 2 More progress made: To reinforce the frame, bumper and receiver hitch a cross brace was installed from inside frame rail to rail. Things are moving along nicely and sliding the bumper skin on there you can see what direction Steve is moving. I can't wait. For an added option a glove-box is added, Steve calls it the "bumper-box." It ate up a lot of time bending the folds but I think it will be awesome storage for a wet muddy tow strap or just security for the hitch receiver pin inside. Hey, every pastor needs a holy bumper... __________________ God speed, Steve Hanson Racers For Christ Rockcrawlers For Christ www.teamrfc.org ---------------------------------------------------------------------------------- special thanks to: bf goodrich\|trd\|sway-a-way\|total chaos\|trail-gear\|twisted customs\|spidertrax\|bassani xhuast\|ARB\|baja rack ----------------------------------------------------------------------------------

09-30-2009, 08:37 AM	#8 (permalink)
Chaplain Registered User Join Date: Apr 2007 Location: California or Colorado Posts: 98	Bumper box welded in with lid, turned out real clean and flows well with the rest of the bumpers lines. Very cool! Now for the fun part, getting the sides and corners put together. __________________ God speed, Steve Hanson Racers For Christ Rockcrawlers For Christ www.teamrfc.org ---------------------------------------------------------------------------------- special thanks to: bf goodrich\|trd\|sway-a-way\|total chaos\|trail-gear\|twisted customs\|spidertrax\|bassani xhuast\|ARB\|baja rack ----------------------------------------------------------------------------------

09-30-2009, 08:55 AM	#9 (permalink)
dannomite Registered User Join Date: Aug 2008 Posts: 237	Starting to remind me of my bumper. __________________ 1996 SR5 5speed rear locker.

09-30-2009, 08:05 PM	#10 (permalink)
Chaplain Registered User Join Date: Apr 2007 Location: California or Colorado Posts: 98	Day 3 Off the truck ready to be welded up and a jig made so the rest of you can have one toooo. __________________ God speed, Steve Hanson Racers For Christ Rockcrawlers For Christ www.teamrfc.org ---------------------------------------------------------------------------------- special thanks to: bf goodrich\|trd\|sway-a-way\|total chaos\|trail-gear\|twisted customs\|spidertrax\|bassani xhuast\|ARB\|baja rack ----------------------------------------------------------------------------------

10-01-2009, 07:12 AM	#11 (permalink)
Chaplain Registered User Join Date: Apr 2007 Location: California or Colorado Posts: 98	Getting close just need to get the tire swing built, painted and installed. Steve's craftsmanship and welds are so good it was hard to cover it up with paint. __________________ God speed, Steve Hanson Racers For Christ Rockcrawlers For Christ www.teamrfc.org ---------------------------------------------------------------------------------- special thanks to: bf goodrich\|trd\|sway-a-way\|total chaos\|trail-gear\|twisted customs\|spidertrax\|bassani xhuast\|ARB\|baja rack ----------------------------------------------------------------------------------

10-01-2009, 07:39 AM	#12 (permalink)
michalik_piotr Registered User Join Date: Mar 2007 Location: Seattle Posts: 530	grt looking bumper! How much $$ for the off the shelf ones modeled after yours?? __________________ 1985 4runner sr5 - 5spd, 22re..........sold 2000 4runner Limited - rear locker, TJM, Alpine, Hella, Optilux, Yakima, LC rims w/ 255/85s, 1" RB BL, tint by Skyline, 1st gen roll bar (Hi Lift, MagLite, Fire ex), Optima YT, HID. 2000 Ducati M900, Ohlins, Acerbis, Vortex, Yoyodyne, Michelin, NGK, RR, CRG, RK, ARC Fab, Brembo, Odyssey, Afam, Luis Viton seat, custom paint. RIP Bella: http://www.youtube.com/watch?v=3oC8apXrNRI Welcome Lucifer: http://www.youtube.com/watch?v=5hbip7xYtYA

10-01-2009, 07:40 AM	#13 (permalink)
ADH8796 Contributing Member Join Date: Nov 2005 Location: Fayetteville, AR Posts: 1,073	I'll take one too please! __________________ SOLDBlack '99 4Runner Highlander Edition SOLD '98 4Runner Limited Edition

10-02-2009, 10:19 AM	#14 (permalink)
tmcorbin Registered User Join Date: Jul 2009 Location: Eastern NC Posts: 148	Can you post the thickness of the steel used in the various places? looks like 1/4" for the frame brackets, and maybe 1/8" for the skirts on the side of the rear quarters. how thick for the frame reinforcement square tube, and the deck plate. Thanks __________________ 85 4runner 22re, 170K, clean and straight. Still working through 20 years of scheduled maint. Future plans, engbldr street RV head, cam and OS valves, engbldr over haul kit, Marlin Crawler trany rebuild kit, T-case rebuild, 2" lift, interior, repaint. Currently 20mpg, Sound great, using 1qt of oil every two days.

10-02-2009, 02:23 PM	#15 (permalink)
Chaplain Registered User Join Date: Apr 2007 Location: California or Colorado Posts: 98	DONE, Whohoooo!! Bumper turned out awesome and I'm VERY pleased with the shops quality craftsmanship; they have a lot of pride in the products they are putting out there. Many many many thanks to the crew at CBI for their countless hours spent pounding this bumper out and making a jig for everyone else to have one. It was an honor to GET to work along side in the CBI shop, special thanks for all the patients you had with a preacher cutting, welding, and grinding. I learned a bunch and still have all my fingers. This bumper is designed to be "bolt-on", outside of drilling a couple extra 9/16" holes and asking the neighbor for some lifting help it fit perfect. Show & shine: Dimple dies to give it a little race flavor and of course add to the structure rigidity. Steve can lay down a nice bead that's for sure. I saved a few of them before he ground them off smooth. I guess some people like the seamless smooth look, but not I when the beads look this good(picture doesn't show well). Just the right amount of space. I like how the shop caps the ends to give the bumper a factory/finished appearance and strength. Form follows function. This is a stout bumper. I'll take some pictures of the tire rack when I get it on, but for now I'm off to Farmington NM for WERock's rockcrawling finals. __________________ God speed, Steve Hanson Racers For Christ Rockcrawlers For Christ www.teamrfc.org ---------------------------------------------------------------------------------- special thanks to: bf goodrich\|trd\|sway-a-way\|total chaos\|trail-gear\|twisted customs\|spidertrax\|bassani xhuast\|ARB\|baja rack ---------------------------------------------------------------------------------- Last edited by Chaplain; 10-02-2009 at 02:32 PM.

10-02-2009, 05:03 PM	#17 (permalink)
nc994run Contributing Member Join Date: Jul 2005 Location: blacksburg,va for school chapel hill, nc for home Posts: 978	That looks great, would definitely be interested in one __________________ Rob 1999 4Runner Limited 4x4, retrofitted e-locker/ ARB front locker with 4.88 Precision Gears, Tundra/LC lift, 2" 4Crawler BL, Nitto Mud Grappler 35's on 16x8, Marlin sliders, TJM T-15, Warn M8000 w/ synthetic line, Mad Mike's custom rear Bumper, deckplate and ISR mods, Vortex Muffler, custom made tube doors pictures here I support Banned Neliconcept

10-02-2009, 08:07 PM	#18 (permalink)
tmcorbin Registered User Join Date: Jul 2009 Location: Eastern NC Posts: 148	Thanks Chaps, I understand if the CBI holds some information close. Your bumber is spot on, functional, durable, and not overly heavy. And dang good looking. I have been thinking hard about what I want on the front and rear of our 85 and 87. The bumper that CBI built for you is pretty much exactly what I had in mind. Even started to draw a few that were similar. Have been working hard at putting a decent garage together since returning from Japan in June. I figure that while I am saving the money for the high dollar parts and rebuild, I can spend some time fabricating bumpers and sliders. BTW, my cousin is a Chaplin for RFC. Northern KY circle track. Never hurts to have a Chaplin in your fighting hole. God bless __________________ 85 4runner 22re, 170K, clean and straight. Still working through 20 years of scheduled maint. Future plans, engbldr street RV head, cam and OS valves, engbldr over haul kit, Marlin Crawler trany rebuild kit, T-case rebuild, 2" lift, interior, repaint. Currently 20mpg, Sound great, using 1qt of oil every two days.

10-02-2009, 09:01 PM	#19 (permalink)
wormhole Registered User Join Date: Aug 2006 Location: Bountiful, Utah Posts: 1,526	Nice.......price?? Do you know if ther are going to build anymore? __________________ 2000 Toyota 4runner auto, 4x4, elocker, budbuilt skid, Sonoran Steel 7.2, 265/75/16 Yokohoma Geolanders AT-S Just call me "T"

10-04-2009, 06:23 PM	#23 (permalink)
MaK92-4RnR Registered User Join Date: Mar 2008 Location: Roseville, California ( NOR CAL ) Posts: 318	Is there anyway to and a 2nd gen bumper up? __________________ 1992 Toyota 4runner SR5 4x4 3.0 V6 5 Speed - Completely stock with 136k Miles. Modifications: Exhaust: Doug thorley headers, magnaflow hi flow cat, borla turbo muffler, 2.25 piping with a 3" tip Stereo: Pioneer Premier Deck, 2 12" Subwoofers, Brand new speakers all around, 1 450w 4 channel amp, 1 1000w 2 channel amp. CB Radio: Cobra 19 DX IV 40-Channel Compact CB Radio

10-04-2009, 07:26 PM	#24 (permalink)
dannomite Registered User Join Date: Aug 2008 Posts: 237	Is there anyway to and a 2nd gen bumper up? Yes! Go and build it! __________________ 1996 SR5 5speed rear locker.

10-04-2009, 09:34 PM	#25 (permalink)
aviator31 Registered User Join Date: Apr 2007 Location: Centerton,AR Posts: 200	Looks great, I'm glad someone is finally making a great looking rear bumper that is functional! Time to start saving up again... __________________ 99 Highlander Jardine Cat Back Exhaust TRD Tundra/OME Suspension Pro Comp Xtreme MTs 285/75/16 Pro Comp 7089s 16x8 Stubbs Sliders

Thread Tools	Search this Thread
Show Printable Version Email this Page	Search this Thread: Advanced Search