View Poll Results: what compression ratio are your running with boost?
8:1
8
2.92%
8.5:1
44
16.06%
9:1
55
20.07%
9.5:1
69
25.18%
10:1
66
24.09%
11:1
32
11.68%
Voters: 274. You may not vote on this poll
High static compression and forced induction
I run 9.8:1 compression with 10-12lbs boost and shitty 91 octane gas without any problems and over 10k hard street miles its all in the tune! I know I'm at only 17 deg timing max and a rich 10.7 afr....
Launching!
Joined: Mar 2009
Posts: 281
Likes: 0
From: Melbourne, Australia
Do people think you could get away with 11:1 comp with a PD blower on E85 without too many problems?
Hey guys im trying to figure out if im gonna be ok with a 10:1 CR on a 402 that gets 93 octane but may switch to e85 ......Also what kinda boost would I be able to run safely? Keep in mind this will be my street/weekend warrior....Car usually sees about 600 miles a summer
