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For 1990-1999 Mitsubishi Eclipse, Eagle Talon, Plymouth Laser, and Galant VR-4 Owners. This is where the DSM platform history is documented and archived. Log in to help us in our mission, and to remove most ads from the browsing experience.

420A New To DSM and Have a Few ???

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Puggy_sd455

Proven Member
50
0
Dec 22, 2012
Marion, Ohio
Hello all I just traded my 92 Civic LX for a 96 Eagle Talon Base/ESi im not completely new to DSMs iv had a 95 Neon Sport and I had to keep my buddy's 96 Eclipse GS on the road for him witch was no easy task... iv already done alot of clean up work on the car sens the last few owners did not take very good care of it and did not know what thay were doing... But basically the car runs and drives pretty good...

But I guess the first question is how much boost/HP can a stock 420A bottom end hold I got a good deal on a STAR stage-2 turbo manifold and iv started buying up parts to turbo it I picked up a wastegate with a 4psi spring I fig that would be a good low starting psi to get thangs moving along but id really like to know just how much psi on a T3 or a T3/T4 it can hold???

Iv asked around and watched a few dozen vids on Youtube and it seems to be hit or miss some people are running up to 250HP on stock blocks, and others say there is no way ### thares went boom??? Im a big Honda guy and from what iv seen the rods are about the same size as a B18's rods and people run 250HP safely all the time threw thim so whats the problem???

Ill have more questions as I go im sheer but thats the big one for just this sec :confused:
 
Hello again I just picked up a 1990 Eclipse GS Turbo it needs an exhaust at some point and id like to go aftermarket but most of what im finding is for the awd GSX so id like to know if a GSX exhaust will fix a fwd GS-T ???
 
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