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Discussion Starter · #1 ·
i know it's not an escort engine or anything, but it's a FI question


this is for people who know honda's too... how much engine work would be needed to run a T3 turbo at 30 psi reliably, on a GSR engine?
 

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Well first... you'd need to completely rebuild the motor. forged rods, 9.0:1 pistons, reinforce the block, etc...

A GSR is running at 10.0:1 CR stock, so running 30 pounds on that is gonna blow it.

Next thing I would do is chuck the T3. the Compressor map for a GSR motor is allll wrong. Next thing I'd do is find something like T28rs which is about 100 times more compatible with a GSR motor, stock or otherwise and hold the boost around 14 psi.

Thirty psi is for drag racers, you will NEVER get traction with 30 psi on the street.
 

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Even 9:1 is pushing it way too far. You'd need to run 8:1 to run 30psi. Then you would need forged everything, some super engine management, a really good tune, and something other then a T-3.
 

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Onegimp said:
The weakest part of a honda motor is the block. That will be the first to go. Drop lots of cash reinforceing it.
If you mean the B20 then... sort of. the sleeves on the B20s suck... I don't know where you heard that but I've never heard of a problem of a block giving away before a piston/rod/sleeve... oh and I was on 3 honda sites. :wink:
 

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92 Civic HB...B18C1 GSR, DART block, fully built motor, DRAG Gen 3 turbo kit, Autronic, MSD, 1000cc Injectors, dyno tuning from hell.

This is an abbreviated setup list that a buddy of mine has and he is crackin 26 - 28 psi on his T3/T4 hybrid turbo, breaking loose on slicks like crazy.
 
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