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Re: 500" Engine Build 440 Source?
[Re: Von]
#602170
02/10/10 12:36 PM
02/10/10 12:36 PM
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Joined: Jan 2003
Posts: 27,421
Balt. Md
383man
Too Many Posts
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Too Many Posts
Joined: Jan 2003
Posts: 27,421
Balt. Md
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Quote:
Quote:
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so 915 with .040 quench what compression can I run and still use pump regular or premium?
About 9.5:1 with the steel heads.
Dave [/quote)
I dang sure dont agree with this statement. Im running 10.5 with open chamber iron heads, without any detonation problems. No quench whatsoever. Of course I have a decent sized cam, [Email]259@.050[/Email], but 9.5 is on the conservative side.
I agree with Von because as I said I am running 10.0 with 906 heads and no ping at all. I even run on 92 pump alot as thats all some of my local stations have. I do have fairly good quench as all cylinders are in the .040 to .042 area and I use the MP .557 cam. Ron
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Re: 500" Engine Build 440 Source?
[Re: kz5rt2]
#602172
03/01/10 12:25 PM
03/01/10 12:25 PM
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Joined: Feb 2003
Posts: 21,318
Manitoba, Canada
DaytonaTurbo
Too Many Posts
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Too Many Posts
Joined: Feb 2003
Posts: 21,318
Manitoba, Canada
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Quote:
Just a quick question. I had overheating problems on a prior engine that was bored out 0.060. I have two possible engines I can use, one is an early 440 that cleans up at 0.040 and the other is a late 440 with stock bore that would be 0.030.
I'm partial to using the early 440 at 0.040 bore, would this extra bore factor into any scenarios of overheating?
I would use the late 440. The later 440's gained a small amount of strength over the earlier ones and you can sell the earlier one to someone who cares about date codes.
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