high compression heads

Anonymous-0 · Aug 29, 2012

I was wondering what heads have the highest compression ratio for a 403 gas engine I know about the 10A4213 and the GE30J just wondering if there were any others. Thanks

larry Mi · Aug 29, 2012

Might look around here

http://fiorelli.tripod.com/index-5.html

Anonymous-0 · Aug 30, 2012

I have a set ge30t on mine

MMEd · Aug 31, 2012

On a more or less stock 403, Head Compression is as follows

GE30T / 10A4207 Highest - maybe about 12:1 ?? - dont have numbers but I would guess too high for anyone to run on gas
GE30P / 10A4206 10.85:1
GE30J / 10A4213 9.9:1
GE30M / GE30Z / 10A4210 9.1:1

Anonymous-0 · Aug 31, 2012

This our gtb, in 7500 lb. Class, peeper goin off for 5mph. Class at 200ft in first gear.... ge30t. On it.. runnin on 98 octane.. copression can run lot high .lol u have to higher octane.maybe deisel head gaskets.. lol i now of higher than mine..

Anonymous-0 · Aug 31, 2012

Having trouble up loading. Lol.

mightymolinekid · Aug 31, 2012

Here's plowboys tractor...gotta watch them Ohio boys I hear they got secret parts yard in Wisconsin lmao

high compression heads

Anonymous-0

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larry Mi

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Anonymous-0

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MMEd

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Anonymous-0

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Anonymous-0

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mightymolinekid

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