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best way to decomp I6 

 

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 Post subject: Re: best way to decomp I6
Posted: Mon Aug 20, 2012 9:58 pm 
Getting Side Ways
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Super XR6 wrote:
Yeh only hear good things about the one guy i know wontt use anythink other than cp
So im now thinking of going au block with cp pistons, spool rods, au mls headgasket at hopefully somewhere around 8:1 - 8.5:1 should be good for 15 psi + :D

You'll be good for 30 PSI..

 

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 Post subject: Re: best way to decomp I6
Posted: Mon Aug 20, 2012 10:26 pm 
Parts Gopher
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Haha nice be interesting to see how long my t5 lasts lol :)
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 Post subject: Re: best way to decomp I6
Posted: Mon Aug 20, 2012 11:47 pm 
Getting Side Ways
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for 250rwkw, can't go past a std AU engine.
Get one with good comp and put new gaskets/seals and it will last for ever.
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 Post subject: Re: best way to decomp I6
Posted: Tue Aug 21, 2012 2:49 am 
Stock as a Rock
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EBXR8380 wrote:
Super XR6 wrote:
Yeh only hear good things about the one guy i know wontt use anythink other than cp
So im now thinking of going au block with cp pistons, spool rods, au mls headgasket at hopefully somewhere around 8:1 - 8.5:1 should be good for 15 psi + :D

You'll be good for 30 PSI..

not with 8.5 comp lol

CP's are great but the spools wont hold on and most likely not the CP's unless he's gonna run some funky fuel lol

lower your comp for that much boost. for 15 psi and if you know you're sensible to stay there and never ever want more (read: not a single hot blooded male will agree lol) then the 8.5 comp is fine.

Here look. This is me cruising in 3rd gear at 7.8 compression 28 psi.... no lag, no power issues.

http://www.youtube.com/watch?v=eIfYHkNR_b0

 

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 Post subject: Re: best way to decomp I6
Posted: Thu Aug 23, 2012 9:05 pm 
Getting Side Ways
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You would be nuts if you didn't use E85..
Which takes 30Lb+ on 8.8 compression easy..
We're getting a head of ourselves here..
Turbo efficiancy and MAP has to be considered..
Street engines only require 280 rwkw MAX..[12 to 15Lb]
If it's being built for road use and race weekends ??
There's about 3 different ways to skin a cat here..

 

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As in ZOOM 126 edition
331 Dart block,3.25/ 4340 steel crank, Oliver rods,TFS ported track heat heads, TFS track heat inlet Twin SC61 turbo's
Project 1UZ-EF has started.. S475 Turbo 4.0 V8 Mustang Celica.....

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