HP stamped blocks

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Re: HP stamped blocks [Re: GODSCOUNTRY340] #3229164 04/25/24 04:43 PM 04/25/24 04:43 PM
Joined: Jan 2003 Posts: 75,082 U.S.S.A. JohnRR I Win
JohnRR I Win Joined: Jan 2003 Posts: 75,082 U.S.S.A.	Originally Posted by GODSCOUNTRY340 Originally Posted by slantzilla I have a 64 383 block stamped HP. Yeah, that's why I'm asking, I have a 66 383 block with HP stamping along with a P that I suspect means premium fuel. The P did mean premium fuel. I think at one point chrysler had 2 4bbl 383's a 290 or 300HP and what I'm googling was a 325 HP ... in 68 and 69 the 2 383 4bbls were 330 and 335 ... they only put HP on the higher HP engine . I had a 68 Sport Satellite 'vert that was a 330HP 4 bbl car , original numbers engine , no HP on the pad , but it did have the P for premium fuel as it had the same compression ratio as the 335HP road runner engine. Last edited by JohnRR; 05/10/24 02:34 PM. running up my post count some more .

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