I was looking for some aftermarket mods on www.autopartswarehouse.com for my '92 4Runner 3VZE and they were selling a supercharger for it and I was wondering..how much that would boost my HP/TQ and is it a good idea to do to the 3.0?

 

from what i have heard, its not worth it. i had thought about it myself, but it would take alot of machine work to get the mnifold, and especially the heads to handle the larger quantities of air being forced in. i would just leave it be or do a 3.4 swap
thats just what i have heard. for what its worth

 

i think it would work and you might see some power increases but its just not worth it on a 3vze because the heads dont flow well. thats why the 3.4 was introduced because its really a 3vze bottom end with duel over head cams and it flows much better. and heck with a 3.4 you can just buy a trd sc and go lol.

 

as the old saying goes....

"Why polish a turd?

 

3.0 + sc =

 

heyyy thanks for the feedback..now that from what you guys have told me its a bad idea haha i figured it would the SOHC just doesnt cut it and with all the problems that it has with its reputation...what could i do to get a little improvement while being on a tight budget..spark plugs/wires and cap i recently replaced. (NGK G power plugs/NGK wires)..
what else could i do to make it sound Raw...I was thinking maybe a flowmaster or magnaflow muffler or something like that..im already getting some BFG All Terrains to go offroading/ makemy rig look that much cooler..these are the rims i have on it right now..http://www.ultrawheel.com/wheel_deta...?brand=1&id=33

 

I've got a Flowmaster Delta 40 and a Cherry Bomb high flow cat on mine. Sounds pretty good.

 

not trying to be cruel but that's the worst thing you could do to that engine. The best thing to do with the 3vze is to pull it out and throw it away or give it to some other sucker... drop a REAL engine in there!

If you don't do a swap, the best thing for this motor are headers/exhaust and lots of love... also a regear depending on what you have already.

ISR mod/alky injection helps too!

BTW wabfab, that's a GREAT quote! story of my Toyotas and my inexperience turning into something great

 

so what i gather from this thread so far is that its a lot better idea to do the 3.4 swap over the 3.0 supercharged idea, is the 3.4 pretty much a drop in deal or do you need a diff trany and all?

 

correct, dont do anything to the 3.0, sell it to fund a 3.4 swap.

And search the engine swap threads, its pretty straight forward, hardest part is wiring it.

 

Cool deal, thanks

 

The hell they were!!!

There's absoposilutely NO SUCH THING AS A 3VZE SUPERCHARGER!!!!

Thanks for jerking my chain there bud...

Yes...IT'S POSSIBLE TO SUPERCHARGE A 3VZE.

But...IT AIN'T NO BOLT-ON MOD THAT'S FOR SURE!!!
http://www.toymods.org.au/forums/sho...t=10920&page=3

 

swap it... a 1uz-fe is a nice option too... if you have a lot more skill than me...

yes, the 3.4 is about as good as it gets for simplicity sake

 

swap in 2jz-gte

 

If I still had a 3VZE I would just be happy that it's running good and the head gaskets haven't popped yet.
If I had money to spend I'd probably get some headers for it though because those will only prolong the life of the head gaskets.

If I had even more money to spend, I'd probably sell the whole truck and buy something with a 3.4.

That said, I'm poor and don't like costly engine repairs so I drive a truck with a 22RE.

 

and then add twin sequential turbos for a whopping 1000 +RWHP!!! One could only wish this engine to be in a 4runner... the most bombproof 3.0 ever made....

one day I will have mine... (in a Supra...)

 

Hey JDS1992,
I appreciate your thinking in wanting to supercharge this engine. I have been looking into this too and as I have recently rebuilt my 3VZ-E and put a DT header on it. I have tried a larger AFM from a Cressida with a $45 eBay/China made cold air intake pipe kit but it really doesn't seem to like the change no matter how much I tweak the flap return springs tension. Aside from the 3.0 Slow astigmatism this engine seems to enjoy, any dose of improvement to its volumetric efficiency would be an improvement. I know with the K&N cold air intake and my DT header with all the smog stuff intact (minus the CAT) that my engine fairly "comes alive" over 3.5K RPM. When I drive it throughout the week with my foot in it I will struggle to get 175 miles from a tank full and that means it is making a good bit more power than it did when bone stock with 233k miles on the odo. I am fairly certain that the intake runner lengths and the OEM exhaust was optimized for torque at cruising speed on the freeway. The fact that with a header and some port matching manifold clean up, this engine likes to rev.

So in order to get the low end grunt any of use would enjoy a supercharger would overcome the restriction and get the volumetric efficiency up. Forced induction will allow for more than the 14.7 psi we have available at sea level and with any level of boost pressure the shortcomings of the intake manifold and the six singular intake valves will be somewhat erased. The most promise from my perspective would be the unit used on the Previa minivan. The tough part is how to get the charge from it through an intercooler! A water bath often used under a roots type is one option or water/methanol injection but I rather like the design cues with an air to air radiator to do the cooling of the charge and that has some very real design challenges. WIth the boost I am fairly sure the ECM will not have the smarts to deal with the abundance of the charge and being as it goes to an open loop condition at WOT the algorithm in the ECM won't correct. So a newer EFI processor would be another part to be added to the requirement.

Regards,
ATGP