Round ports
Quote:
Originally Posted by JSuchma
Those are not true 70 RAIII manifolds. The 1970s had only 3 head flange bolt holes per side. That was the only year for this arrangement; all previous ones had 5 holes per side. Never heard of the 4 hole flanges.
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You thinking of round port bolt pattern for the 3? Original Round ports were 3. 4 hole for the D ports if I am not mistaken.
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White/Blue 71 455 HO T/A Auto
Blue/Blue 71 455 HO T/A 4 Sp
White/Sandalwood 71 455 HO T/A 4 Sp
White/Black 70 RAIII T/A M21/373 (stripper)
Carousel Red/Black 69 GTO Judge 4 Sp
2002 Firehawk Red/Black 6Sp
Last edited by skunkwerks; 06-05-2024 at 02:22 PM.
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