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#1 (permalink) | |||||
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Registered User
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FJ40 trannies...
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-Mikey- 1993 4Runner ~ TG HD/RUF front | All Pro rear | 37" Krawlers | Marlin UM06s | 12" King 2.5s | 2" air bumps | 12" Fox 2.0s | Aussie front | Lock-Right rear | 5-speed swap | TG 4.7s | 5.29s | 4xInnovations cage | bumpers | sliders | t-case skid | K&N intake | Flowmaster 40 | Optima red top | clear lenses | PIAA 1400s | LED rock lights | PIAA superwhites | stereo Polygoats 4-Wheel Drive Club Poly Performance Last edited by 4RunnerKid; 02-17-2005 at 12:46 AM. |
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#2 (permalink) |
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Super Moderator
Staff
Join Date: May 2002
Location: North Bend, WA
Posts: 2,664
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A lot of guys swap in the Chevy 4 speed gearbox. This gives you a "granny" low gear. SM420 and SM465 I believe. Does his cruiser have the 3 or 4 speed?
For extended reading, check the tech info on www.ih8mud.com Lots of info there.
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David TLCA 14788 71 Landcruiser FJ-40 TBI 327, TH-350, Warn 8000, disk axle swap. 76 Landcruiser FJ-40 project/parts (haven't decided) |
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#3 (permalink) |
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Contributing Member
Join Date: Nov 2004
Location: phoenix
Posts: 1,141
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Go NV4500- 5 spd, granny low and overdrive 5:1 (1st) .7 (5th)
The sm465 is good, deep 1st gear but no more legs on the freeway. 6.7:1 (1st) good, 1:1 (4th) sux on the freeway Toyota H55 is also a 5spd, lower first 4.3 (i think 1st) .88 5th There are lots of tranny options, SM 420 is a good 4 spd but Im not sure how parts will be to find
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Duncan -------------------------------------------------- Current: 95 4X4 SR5 V6, Yakima tracks/rack installed. Aisin hubs. Sonoran Steel IFS Truss. Cobra CB(finally!) Desired: 66 FJ45 shorty EX's: 89 4X4 V6 Downey'd 72 FJ40 W 350/SM465 powertrax, "Billy" |
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#4 (permalink) |
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Contributing Member
Join Date: Nov 2004
Location: phoenix
Posts: 1,141
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When installing any GM 4 or 5 spd, Advance adapters does not tell you but the FJ will need at least a 1" body lift. Also after doing that swap myself, let me tell you there is a lot of work involved. Not hard, but the instructions are a general guide and a lot of little important details get left out. If he has a 76 or later cruiser and the 4 spd, a H41 4spd has a lower 1st gear and will drop right in, I think the H55 will do the same. If he has the 3 spd then lots of stuff will need to be done, drive shafts, new mounts etc...
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Duncan -------------------------------------------------- Current: 95 4X4 SR5 V6, Yakima tracks/rack installed. Aisin hubs. Sonoran Steel IFS Truss. Cobra CB(finally!) Desired: 66 FJ45 shorty EX's: 89 4X4 V6 Downey'd 72 FJ40 W 350/SM465 powertrax, "Billy" |
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| Tags |
| adapter, block, chevy, fj40, gear, h55, install, kn, overdrive, sm465, small, spd, speed, swap, th350, transmission |
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