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#1
04-17-2002, 08:07 PM
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They are 16,and I look them up. Thank you
[ April 17, 2002, 08:52 PM: Message edited by: Bob Brogan ] |
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#2
04-17-2002, 08:07 PM
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They are 16,and I look them up. Thank you
[ April 17, 2002, 08:52 PM: Message edited by: Bob Brogan ] |
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#3
04-17-2002, 11:18 PM
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Glad you found them!
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#4
04-17-2002, 11:21 PM
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Those are the same heads I have on my 400 and they work really well! They are high compression heads!
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#5
04-18-2002, 10:29 PM
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Are they ram air 3 heads?
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#6
04-18-2002, 10:47 PM
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I do believe they are! They are a good head as they have big valves, screw in studs w/guide plates, and high compression! Send them out to a known Pontiac head guru, ie: Butler, Indian Adventures, Pontiac Dude, SD Performance and have them ported and you will have yourself a great set of heads!!!!
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#7
04-19-2002, 11:07 AM
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Sorry,but these are not Ram Air heads.
They also are not big valve heads,they are small valve,pressed in studs. They made 2 casting number 16 heads. The ealier 16's were big valve,screw in studs. The 16's on you're YD engine is the small valve 1.96/1.66
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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! "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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#8
04-19-2002, 11:32 AM
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johnta1 is correct, actually they made 3 casting 16 heads with the third being the 73-74 SD455 round port head.
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Wade Congdon BOP Engineering Hi-Performance Specialty Parts for Buick, Olds, and Pontiac www.bopengineering.com |
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#9
04-19-2002, 07:18 PM
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You are right,they are the small 1.96 intake valve heads,pressed in studs.What do you recomed I do to get all the preformance that I can out of these heads?I want to put roller rockers on them,do I need to replace the pressed in rocker studs?They are 2 brl heads,will the intake ports match a 4 brl intake?or would they need port matched?
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#10
05-11-2002, 06:17 PM
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Yes it would be wise to put screw in studs in them.
The intake ports will match. IMHO it would be cheaper to find some 6X's or other 4 bbl head and use them than do the work on the 16's.
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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! "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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