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4E forge headgasket thickness


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Im currently forging my 4e block i have wiseco 74.5mm flat top 9.1 pistons and scat rods,



what thickness headgasket will i need to use?



will the engine be reliable to hold 300bhp?



here is my specs list:



*arp headbolts and main.



*mls 1.9mm headgasket.



*wiseco 74.5mm flat top pistons.



*scat rods.



*acl full bearing kit.



*stock 4e head.



Edited by mr_K
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i'm running 1.4mm hg on my forged build,and i find that a bit laggy (i also run dished pistons..)...and yes yer engine will cope with 300 bhp as long as it's built and maintained correctly,

so a 1.9mm will be too thick and engine will be laggy?

i dont know if i should use a 1.4mm because im gona have to skim the head and deck the block.

because of the high comp pistons im abit worried.

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