TURBO SET UP FOR STRAIT GAS TB42

[KYSI]

its a garret t035 ment to spool up round 600 the bloke was saying, turbo lag is my number one enemy

[PGS 4WD]

A GT3582R with a .84 turbine housing is a good choice, the 1.06 would be a bit laggy yet I tried that on my old TB42 Gas turbo and it was good and behaived more like a big naturally aspirated engine and less like a turbo with that agressive power band (I changed to the .84) . Smaller housings and turbos are very agressive and can be quite ordinary to drive, they spool hard at very light throttle openings and create high exhaust temps and high backpressure meaning they restrict power and have shorter turbo life. I ran on 15 psi with a stock 300 000 klm engine and a set of valve springs. I had at times run up to 20 psi but found it to be crap off road, to agressive.
I opened the exhaust valve clearance to 0.4 mm instead of 0.38 due to the extra heat causing the exhaust valve to grow.

I ran my old car for 3 years without an issue and sold the motor/turbo where it ran for another 1-2 before the new owner had issues. Many issues are maintainence related.

I've turbo charged quite a number of these and with the right mods they are reliable and powerful and have a great deal more low down torque than the RB30 due to the larger capacity.

Cheers

Joel

[gqpete]

8 psi is ok but you'll want more . speak to the right people and these motors will handle 30psi and more depend on $$$$. i ran 30 pnd for 3 years and never missed a beat. went well plenty strong and not much lag.

on a rebuilt motor though pete? his isnt rebuilt

no, my motor only had head work and bits. never touched the lower half, all stock. its not big bucks if you know what to do and what not to do.

[tna racing]

8 psi is ok but you'll want more . speak to the right people and these motors will handle 30psi and more depend on $$$$. i ran 30 pnd for 3 years and never missed a beat. went well plenty strong and not much lag.

on a rebuilt motor though pete? his isnt rebuilt

no, my motor only had head work and bits. never touched the lower half, all stock. its not big bucks if you know what to do and what not to do.

ahh fair enough. they need dizzy work dont they?