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Thread: lowering compression
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02-04-2007 #2
Starting The Transformation
- Join Date
- Oct 2006
- Location
- Ottawa, Ontario, Canada
- Posts
- 154
You could add a charger with that C/R but you'd be very limited on the amount of boost you'll be able to run with pump gas. If its intercooled you'll be able to get away with a little more.
Thicker gaskets: In an N/A application they could hurt you by promoting detonation when you start to get over 0.050" of quench area....i think thats mostly due to the V/E of the motor being N/A......with a forced induction style motor people are getting away with it.
Now you wont be able to lower it THAT much with a thicker gasket, MAYBE .5 but i'd say thats stretching it....and it really depends on the thickness of the gasket.
The correct way would be to change the pistons for some other ones with a little more dish.
-Carm'69 Firebird Twin Turbo SBC 400" Blow-through
9.80 @ 141 w/ 1.88 60-ft..... on 17's
9.21 @ 153 w/ 1.45 60-ft..... on PUMP GAS
8.60 @ 164 w/ 1.46 60-ft..... on RACE GAS
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