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Chryco's Tech Shop
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360 build problem
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Topic: 360 build problem (Read 1045 times)
mentally_challenger
Jr. Member
Posts: 7
360 build problem
«
on:
March 13, 2006 - 09:23:07 PM »
im buildin my first engine for my 70 challenger. Its a .040 over 360 thats had the stock bottem end balanced. the pistons are hypereutectic and are 9:8.1 with my stock heads with 70cc chambers, i bought edelbrock 6079 heads with 65cc chambers. how much of a compression raise will this be?
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Chryco Psycho
Administrator
C-C.com Guru
Posts: 36620
70 Challenger R/T SE 70 tube Chassis Cuda now sold
Re: 360 build problem
«
Reply #1 on:
March 13, 2006 - 10:59:05 PM »
http://www.csgnetwork.com/compcalc.html
Welcome BTW
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Challenger - You`ll wish You Hadn`t
Rob C
Jr. Member
Posts: 191
Re: 360 build problem
«
Reply #2 on:
March 14, 2006 - 07:41:49 AM »
A minor increase. Not a stupid newbie question. A very good one to honest.
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'73 Cuda, 360, 4psd & 4.10's
'79 Dodge Magnum, 360, 727, 9-1/4 W/3.55's
dimples
Jr. Member
Posts: 253
(dodgetkboy78)
Re: 360 build problem
«
Reply #3 on:
March 14, 2006 - 10:09:14 PM »
Are the pistons flat tops, and included in the raise? Or were the heads put on after the new pistons ran on the old heads.
Just asking.
If I remember, the Dish going away is like a half of a point, about................
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mentally_challenger
Jr. Member
Posts: 7
Re: 360 build problem
«
Reply #4 on:
March 14, 2006 - 11:57:43 PM »
thanks for the quick replys, the pistons are dish and are 9:8.1 with the cast heads, with the aluminum heads and the iron block i wonder about kinda of head gasket should i run?
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Chryco Psycho
Administrator
C-C.com Guru
Posts: 36620
70 Challenger R/T SE 70 tube Chassis Cuda now sold
Re: 360 build problem
«
Reply #5 on:
March 15, 2006 - 12:59:22 AM »
no choice you need Cometic gaskets , unless you enjoy changing head gaskets
?
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Challenger - You`ll wish You Hadn`t
dimples
Jr. Member
Posts: 253
(dodgetkboy78)
Re: 360 build problem
«
Reply #6 on:
March 15, 2006 - 03:41:06 PM »
Agree, the composite Fel-Pro ones always blow out between the cylinders for me...................
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Rob C
Jr. Member
Posts: 191
Re: 360 build problem
«
Reply #7 on:
March 15, 2006 - 06:33:49 PM »
Never a problem with the Fel-Pros, but I'll not argue with the use of a Cometic.
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'73 Cuda, 360, 4psd & 4.10's
'79 Dodge Magnum, 360, 727, 9-1/4 W/3.55's
dimples
Jr. Member
Posts: 253
(dodgetkboy78)
Re: 360 build problem
«
Reply #8 on:
March 15, 2006 - 07:33:02 PM »
I shouldn't have said always, LOL. But it is on the 318's, and not the 360's. I almost wonder if it has something to do with the smaller bore........(sealing ring being farther from the cylinder?)
Who knows.
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360 build problem