Exhaust manifold differences 502 vs 525 efi
10-01-2014, 07:49 PM
#3
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NO, the 525 has Edelbrock alum heads and a non standard exhaust bolt pattern, the 502 has a standard BBC bolt pattern
haha typing at the same time
haha typing at the same time
Last edited by F-2 Speedy; 10-02-2014 at 08:29 AM.
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10-02-2014, 08:19 AM
#4
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Thanks guys. I am building a manifold set-up and was hoping I could cater it to both engines, but I will have to do 2 I suppose! Are they both the same angle heads? Could I simply swap the cylinder head flange to make it work on both?
10-02-2014, 08:32 AM
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Are you building headers, dont really understand the Q
10-02-2014, 08:41 AM
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10-02-2014, 08:44 AM
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yep, if you change the flange to match the 525 bolt pattern
10-02-2014, 09:11 AM
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just a side note, the bottom 4 holes will line up, its the upper four that wont, beleive me I know, I redrilled my CMI GenX to fit my AFR heads,
10-02-2014, 09:17 AM
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I'll have to get a pair of each in hand to check them out. I wonder if the flange was drilled for BOTH if any issues would result or if this would allow them to work on both!?
