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Hey guys got a problem my car didn't make the power I think it should have made.

Rb25det s1

Gt3076r .63 rear

High mount manifold

50mm wast gate with 14psi spring

800cc injectors

Bosh 044 fuel pump

Turbo smart fpr

Upgraded coil packs

Greddy copy intake.

3inch straight exhaust

Blitz dual solenoid boost controller

Microtech Lt12

I only made 296rwhp was the best run of the day at 18 psi

Seems low compared to others iv seen on this site?

Also I did notice that boost drops off from 18 nearly back to 14 at the top. Fuel and air sitting on about 11.6 . Any thoughts?

Edited by DriftSquad

You will need a stiffer spring in the gate imo, and the .63 rear won't be helping things.

Can you get us some pics of your setup? Was the exhaust dropped on the dyno?

I didn't get the chart as I was not happy with the tune. Tuning was done at Godzilla motor sport. On his dynonamics awd dyno

post-22485-0-64894800-1391732943_thumb.jpg

Edited by DriftSquad

and tell them to send you the tune file

I have a feeling the tune was shit house, also because it's a microtech lt12.. they're so clunky to tune with.. 2x tables to do essentially a single table can do.

I'll ask him to email it to me. Marks pretty good tuner. I mean it is a microguess lt12...

We had to pull some timing cuz she was pinging on boost. He said he thinks the .63 housing is to small

Not sure it's just a stainless manifold with gate mounted to it. The power I Made is not much better then a standard rb with a tune..

Edited by DriftSquad

Not sure it's just a stainless manifold with gate mounted to it. The power I Made is not much better then a standard rb with a tune..

If you had bought a decent standalone and left the FFP, stainless manifold, fpr, boost controller etc off the list, you will have had more money to spend on finding the issue on the dyno.

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