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#1
11-24-2015, 08:23 PM
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5 c heads
have a set of 5 c heads , what info can I get on these and what year car are they from
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#2
11-24-2015, 09:11 PM
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__________________
John Wallace - johnta1 Pontiac Power RULES !!! www.wallaceracing.com Winner of Top Class at Pontiac Nationals, 2004 Cordova Winner of Quick 16 At Ames 2004 Pontiac Tripower Nats KRE's MR-1 - 1st 5 second Pontiac block ever! W.E.C moment "Every man has a right to his own opinion, but no man has a right to be wrong in his facts." "People demand freedom of speech to make up for the freedom of thought which they avoid." – Socrates |
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#3
11-25-2015, 05:40 PM
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thanks , still not sure what year thease heads came on
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#4
11-25-2015, 09:19 PM
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If you look further on there they should be 74-5 and the diagram shows where the date will be located on them so you can find the date they were cast.
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69 GTOx2 69 Judge CR 4SPD 70 RAIV Auto Judge 71 GT-37:usa2 71 T/A WHT AUTO 71 T/A LB 4SPD 72 T/A WHT 4spd 74 SD T/A Admiralty Blue Auto others that reside in the barn too 
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#5
11-25-2015, 11:06 PM
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5C's were cast during the '75 model year up into mid February of '75 when they were replaced by 6X's.
Years ago, when I had a core 400 engine deal going, I pulled an original assembled '75 400 with a 5C and 6X head that both dated in mid to late Feb '75
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Buzzards gotta eat... same as worms. |
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#6
11-25-2015, 11:36 PM
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how do they rate against the other heads
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#7
11-26-2015, 12:30 AM
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They are basically the same as a 6x head. Good heads.
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#8
11-26-2015, 03:20 AM
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Basically all Pontiac heads are the same. If you want a good heads, Iron heads you buy any 2 bbl head & put the work you would have in them. The 2 bbl heads usually haven't been beat up as much & once you put the bigger valves in them & port them they will good heads for just about any engine. It all depends how much work you put into them. Get good port work & good big valve with new guides springs & rockers & you can have a good set of iron heads fro a reasonable amount.
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