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Engine Build-up Opinions?

CAT_SPEW

By CAT_SPEW,
in Engines & Forced Induction

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CAT_SPEW Rising Star

CAT_SPEW

Posted
Posted (edited)

I'm planning on upgrading my turbo setup in the next couple of months hopefully and I'm looking for peoples opinions/suggestions.

RB25DET

Current state

-Custom plenum

-FMIC

-Larger fuel pump

-Jim Berry 3500lb clutch

-740cc's

-Haltech E6K

-Exhaust

-RX7 S4/S5 tubro highflowed

plus the usuals

Currently making about 250rwkw on 15Psi

This is just a rough list of what I'm planning on adding.

-Garrett GT35/40 .70a/r .86 exh 700hp External gate

-Tial 45mm gate

-Unknown what manifold???

-Custom dump

Feel free to give me suggestions non what you think, as I said this is only a rough list. I'm hoping to get 400hp before I have to start building the engine, does this look possible??

Also, when should I be expecting full boost by? 4500??

Cheers, Matt.

Edited by CAT_SPEW
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R31Nismoid Grand Master

R31Nismoid

Posted
Posted

Mine, 600HP GT30, .82 rear.

Was on around (17psi) 4200 depending on the gear it was in.

Personally i wouldnt go bigger, it came on late enough, any more and i dont feel it would have been very streetable.

Being you had to be up its guts if you wanted to go anywhere, any bigger and it would be worse... especially in 1st/2nd. Over 120km/h it would hawl absolute a$$, but in the lower gears the 4.XX's dont let you do a lot.

If you play on a streeter, smaller.

If you wanna sacrifice response just for top end power, then GT35.

2BNVS Veteran

2BNVS

Posted
Posted

6BOOST (from calais forums, unsure where else) has awesome manifolds, i got one of his on mine, very sweet.

a mate of mine has a 35/40 with the .86 a/r and that doesnt come on boost till around 4k but he has no cam work either at this stage

ben...

CAT_SPEW Rising Star

CAT_SPEW

Posted
  • Author
Posted

To be honest I wouldn't know how hard it was to bolt up because I bought the car with it already installed.

No idea on price either but when I will try and find out because I will be selling mine when the new setup has arrived and is ready to go on. Has not got alot of lag but I've never really looked to see when I hit full boost, I will next time I go out.

2BNVS -

Was that full boost at 4000 or only just starting to spool I'm guessing?

Also what setup are you running to make 352RWkw @ 16Psi?

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