Approximate compression ratio...
03-17-2008, 11:41 PM
#1
Launching!
Thread Starter
iTrader: (14)
Join Date: Jun 2006
Location: Marysville, WA
Posts: 202
Likes: 0
Received 0 Likes
on
0 Posts
Approximate compression ratio... -28cc dish piston
72cc heads
4.0" stroke
4.030" bore
not sure on headgasket thickness...
this is about all the facts I have...
I come up with about 8.3 cr
Is this close?
72cc heads
4.0" stroke
4.030" bore
not sure on headgasket thickness...
this is about all the facts I have...
I come up with about 8.3 cr
Is this close?
03-18-2008, 05:12 AM
#2
10 Second Club
iTrader: (25)
Join Date: Feb 2004
Location: Canada
Posts: 1,240
Likes: 0
Received 0 Likes
on
0 Posts
Lets say .005" out of the hole (above the engine deck surface) with a .051" stock gasket thickness..
Youd be looking around 8.6:1 out of that 408ci motor.
