Shortly I will need to order a new headgasket for my fresh engine.

I know that I can't fully make a decision until I find out how much has had to be skimmed from the block and head but does anyone have any thoughts on particular headgaskets?

I'll be getting a brand new stock one in the full gasket kit that I have ordered but think I will likely need a thicker one.

Cheers

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GT4DC Events Co-ordinator
1996 ST205 UK

Hi

a have a friend who frequently kill all possible parts in his engine, the only one think he never killed was the HKS gasket
this is why i also decided to use them

drop me a note if you sell the oem headgasket.....

greetz

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KEEP COOL UNDER PRESSURE

street legal?.....perhaps in tschibuti

Sure thing Sunny.

_________________
GT4DC Events Co-ordinator
1996 ST205 UK

all you need to do is fit a st205 streel gasket its all i have done and im runing 1.6bar and much cheaper them a hks or any thing like that

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Have you measured the C/R after your latest engine build with OEM gasket Louis?

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Don
GT4DC Chairman
1994 Toyota Celica GT-Four ST205WRC JDM 269bhp @ 0.9bar
1994 Toyota Celica GT-Four Special GT 590bhp @ 1.8bar
1989 Van Diemen RF88/89 Formula Ford 1600
2008 Nissan Patrol GU 3.0L ZD30DDTi 154bhp

If the skimming of the head and block will allow the use of a ST205 gasket then I will use it as I have a brand new one in my gasket kit. However I'll need to know how much has been skimmed to check that the compression ratio will be acceptable using it as it could end up too high.

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GT4DC Events Co-ordinator
1996 ST205 UK

im runing about 8.8-1 compression ratio now with the 86.5mm pistons thats with the block deced and the head skimed, having a higher compression will help of boot and you wond need to run as much boost, some of the TSS boys are runing 10-1

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i havent but my engine mapper did and said it wes very good

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hi Louis, how did he do that ?
measuring compression with a compression tester is not the same as taking measurements to calculate the compression ratio....




re: headgaskets..

i thought this was one of the most interesting threads posted on here in some time, good comparison pictures etc.

Any how have a re-read : http://www.gt4dc.co.uk/forum/viewtopic. ... c&start=15

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ST165 turbo 4WD
ST185 GT-FOUR RC Carlos Sainz Limited Edition 825•5000
ST185 turbo 4WD Carlos Sainz Limited Edition 2541•5000

I had the engineer that did all the machining work for me on the block the engine do all the calculations on what the competition will be on 86.5mm pistons on a 1mm gasket and its 8.8-1

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i think adam used the stock 205 gasket or a 1.4mm HKS i cant remember.

A 1.4mm gasket on 86.5mm pistons will give u a 8.5-1 competion

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maybe,

also depends on which brand of pistons and how much the block is decked and the head skimmed

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ST165 turbo 4WD
ST185 GT-FOUR RC Carlos Sainz Limited Edition 825•5000
ST185 turbo 4WD Carlos Sainz Limited Edition 2541•5000

wiesco 86.5mm but then no idea how much it was decked and skimmed

cp pistons 86.5mm on stock head and stock block will give you 8.5-1

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