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Guttke
Joined: 19 Jun 2008
Posts: 6
Location: Finland
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| Posted: Sun Jun 22, 2008 5:05 am Post subject: Need help engine code |
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Hi
trying to find out what kind of engine i got in my olds dynamic 88-65
found this number 386525A is that of any help?
Do someone know? |
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88 Coupe
Joined: 15 Feb 2004
Posts: 2985
Location: Southern California
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| Posted: Sun Jun 22, 2008 7:23 pm Post subject: Re: Need help engine code |
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Hi Guttke,
Welcome to TOC
386525A = Casting number, for the 425 block, that was used in '65.
Here are some numbers, for whatever they might be worth:
2 barrel carb/ 9.00:1 compression ratio = 300 HP @ 4400 RPM and 430 TQ @ 2400 RPM.
2 barrel carb/10.25:1 compression ratio = 310 HP @ 4400 RPM and 450 TQ @ 2400 RPM.
4 barrel carb/10.25:1 compression ratio = 360 HP @ 4800 RPM and 470 TQ @ 2800 RPM.
4 barrel carb/10.50:1 compression ratio = 370 HP @ 4800 RPM and 470 TQ @ 3200 RPM.
I believe, the last was used only in the (top of the line) Starfire:
Norm |
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Guttke
Joined: 19 Jun 2008
Posts: 6
Location: Finland
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| Posted: Mon Jun 23, 2008 4:58 am Post subject: Re: Need help engine code |
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| Thanks :) |
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