what thickness headgasket should i use??

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paddyep82

Fresh Recruit
Well lads I'm buildin a forge 4e engine at the min usin scat rods je pistons prob be runin round a bar or so of boost on ct9 hybrid I'm gona use athena metal gasket just wonderin wat thickness to use help would be appreciated thanks
 
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ben10

Member +
paddyep82 said:
Well lads I'm buildin a forge 4e engine at the min usin scat rods je pistons prob be runin round a bar or so of boost on ct9 hybrid I'm gona use athena metal gasket just wonderin wat thickness to use help would be appreciated thanks
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sure they do a 0.8 - 1.2 - 1.4

i no they use the 1.4 for drag purposes but i would go 1.2 it will drop the compression enuf and would be better if you wanted to upgrade to a bigger turbo at a later date
 
goldenvtr

goldenvtr

Member +
if your only going to run 1bar on a smaller turbo then get a thinner one as youll have a better compression ratio and wider power band, but if you plan on making the most of your forged motor go for a 1.2 or 1.4 and go for bigger boost
 
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turboloon

Member +
personally i'd get a trd 0.6mm one,i'm running 1.4mm athena hg on my forged lump,combined with the dish in the piston it has made the car laggier..:(
 
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bongskag

Member +
turboloon said:
personally i'd get a trd 0.6mm one,i'm running 1.4mm athena hg on my forged lump,combined with the dish in the piston it has made the car laggier..:(
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x2 I used the TRD gasket with my -10cc wiseco pistons.
any idea on what dish your pistons were turboloon ? and your compression ratio?.

I had to use the TRD gasket and I still have low static compression of 7.5:1
If I would have used the 1.2mm It would have been even lower ! safe as houses tho I guess. pulls like a train on boost too !
 
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elison

Member +
Recently finished my forgie build with wossner -6cc pistons and 1.2mm mls gasket. Would be ideal when you get bitten by the boost bugs and want to run bigger boost levels. Driveability wont be that bad either as you think. But it all comes down on what your plans are with the car. So i suggest keep it around 1.2mm.
 
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turboloon

Member +
bongskag said:
x2 I used the TRD gasket with my -10cc wiseco pistons.
any idea on what dish your pistons were turboloon ? and your compression ratio?.

I had to use the TRD gasket and I still have low static compression of 7.5:1
If I would have used the 1.2mm It would have been even lower ! safe as houses tho I guess. pulls like a train on boost too !
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i have the same pistons as your self..:9
 
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