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Author Topic:   Quench height
Bloose
Gearhead

Posts: 796
From: Milwaukee, WI
Registered: Dec 2001

posted 03-15-2002 09:52 PM     Click Here to See the Profile for Bloose   Click Here to Email Bloose     Edit/Delete Message   Reply w/Quote
The pistons in my 289 are .007 below deck. I am using Felpro 1011-2 head gaskets .039 thick installed. That should put my quench at .046.

I am running KB-116 pistons in a '68 F-lane w/AOD and 4.62 rear gears. I calculate the compression ratio to be 9.9:1 with 60cc (measured) E7 heads.

Is the .046 quench going to be OK? Are detonation problems imminent running on 93-octane pump gas? What is the maximum quench you should run?

Thanks,
B-loose

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TomP
Gearhead

Posts: 6120
From: Delta BC Canada
Registered: Dec 99

posted 03-15-2002 10:21 PM     Click Here to See the Profile for TomP   Click Here to Email TomP     Edit/Delete Message   Reply w/Quote
i think it'll be fine. Tighter the better for power, only when parts collide does it become a problem.

93 octane should be OK, don't run too small of a cam tho

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Bloose
Gearhead

Posts: 796
From: Milwaukee, WI
Registered: Dec 2001

posted 03-15-2002 11:43 PM     Click Here to See the Profile for Bloose   Click Here to Email Bloose     Edit/Delete Message   Reply w/Quote
Cam is small, .498 lift at the valve and 222 duration @.050 lift, 110 lobe centers. I didn't have the money for a 3000rpm stall converter ($500) so I had to get a 2000RPM. So that is limiting me in regaurds to the cam.

What do you think?

B-loose

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