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#1
09-21-2010, 12:12 AM
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Ram Air II Pistons?
Kind of curious as to what type of pistons tha 1968 Ram Air II came with, cast or forged. A friend asked me about this the other day, and I wasn't entirely sure. Thanks for any information.
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#2
09-21-2010, 10:16 AM
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I believe they were cast.
__________________
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
09-21-2010, 11:16 AM
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Thats what I thought, but I wasn't 100% sure. My friend is getting interested in Pontiacs, and I am doing my best to steer him the proper way. He was really curious about the Ram air engines in general. I am pretty familiar with how most of the engines were set up, but I have noticed through the years that when it comes to this engine there is not much out there.
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#4
09-21-2010, 11:20 AM
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I have a GM parts bulletin somewhere in my archives listing all the replacement part #'s.
Not sure where, but will look for it.
__________________
If you cant drive from gas pump to gas pump across the map, its not a street car. http://s207.photobucket.com/albums/b...hop/?start=100 |
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#5
09-21-2010, 06:01 PM
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Forged I believe, same as RA IV
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Some guys they just give up living And start dying little by little, piece by piece, Some guys come home from work and wash up, And go racin' in the street. Bruce Springsteen - Racing In The Street - 1978 |
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#6
09-21-2010, 07:34 PM
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The May 16 1968 GM Blueprint Sales promo states Forged Pistons. I have a set with a dealer Promo album. It also states Ram Air parts were shipped in the trunks of the cars.
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#7
09-22-2010, 09:42 AM
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Find that Sales Promo yet?
I'd like to see a copy. 
__________________
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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#8
09-22-2010, 07:41 PM
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RAM AIR II PISTONS
The '68 Ram Air II came with FORGED TRW (#L2262) flat-top pistons with 4 valve reliefs. Factory originals had the part number (9794056) stamped on top. This is the same piston used in the RA IV. Ram Air I engines originally came with CAST pistons (#478810) but were superceded in the parts book around 1974 to use the RA II/IV forged piston.
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#9
09-22-2010, 09:42 PM
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I knew the piston number was 9794056, never saw where it was forged.
Should have looked at the RA IV piston number I guess.  Here's the P&A on the RA II. (possibly related to the sales memo?)
__________________
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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#10
09-22-2010, 09:45 PM
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Anyone know a Mr. F.E. Barnard in the Parts and Accessories Div?
Maybe he could shed some light on some things.
__________________
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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#11
09-23-2010, 12:56 AM
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Find that Sales Promo yet?
These should post for all to see. |
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#12
09-23-2010, 06:26 AM
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Reading the brochures posted above, it lists the RA II option having less HP as the GTO.
Did the RA II have the throttle stop on the Firebird? Also, great to see that Jim Mino posted, been a fan of his efforts for a long time. |
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#13
09-23-2010, 11:22 AM
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Thanks for all the replies, I appreciate it.
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#14
09-23-2010, 06:55 PM
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Quote:
Exhaust on F body was also more restrictive.
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