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Re: factory 440 compression heights [Re: 446acuda] #1076876
09/19/11 09:24 PM 09/19/11 09:24 PM
Joined: Aug 2006
Posts: 2,141
junction city oregon
V
viperblue72 Offline OP
top fuel
viperblue72  Offline OP
top fuel
V

Joined: Aug 2006
Posts: 2,141
junction city oregon
I contacted ronp and he sold those already. I am actually very undecided on what to do. I do plan to do something to raise compression be it use std. Pistons, have it bored, or smaller chambered heads. I may still just use a ridge reamer as I don't want to spend much. This is an 1500 dollar truck that's just gonna get abused severely.

Re: factory 440 compression heights [Re: viperblue72] #1076877
09/20/11 06:09 AM 09/20/11 06:09 AM
Joined: Jan 2003
Posts: 75,015
U.S.S.A.
JohnRR Offline
I Win
JohnRR  Offline
I Win

Joined: Jan 2003
Posts: 75,015
U.S.S.A.
Quote:

I contacted ronp and he sold those already. I am actually very undecided on what to do. I do plan to do something to raise compression be it use std. Pistons, have it bored, or smaller chambered heads. I may still just use a ridge reamer as I don't want to spend much. This is an 1500 dollar truck that's just gonna get abused severely.



How many miles on that block? Do you have the skill to use the ridge reamer properly ? I had a 440 that someone took a ridge reamer to , had to sleeve one hole because it had to be bored .075 over to clean up the mess. even after you remove the ridge you might still have a step , I have a low mile rebuilt 440 here that was rehoned , it has a 1/4 moon shaped spot on the thrust side on I think all cylinders that the hone didn't touch. If i changed it to taller pistons I'm sure it would be breaking rings.
Re: factory 440 compression heights [Re: JohnRR] #1076878
09/20/11 12:49 PM 09/20/11 12:49 PM
Joined: Nov 2004
Posts: 2,825
Sk. Canada
RemCharger Offline
master
RemCharger  Offline
master

Joined: Nov 2004
Posts: 2,825
Sk. Canada
You don't need pistons to beat the hell out of a $1500 truck.
I went 12 flat with a 77 440 and a .528 cam in a 3650# 64 dodge.
Its all in the tune up, not pistons.
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