Re: HP stamped blocks
[Re: slantzilla]
#3229075
04/25/24 09:10 AM
04/25/24 09:10 AM
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Joined: Aug 2006
Posts: 2,534 God's Country Maryland
GODSCOUNTRY340
OP
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OP
master
Joined: Aug 2006
Posts: 2,534
God's Country Maryland
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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.
I love the smell of Deer guts in the morning, it smells like... VICTORY!
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Re: HP stamped blocks
[Re: GODSCOUNTRY340]
#3229085
04/25/24 10:15 AM
04/25/24 10:15 AM
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Joined: Jan 2003
Posts: 10,757 North Dakota
6PakBee
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I Live Here
Joined: Jan 2003
Posts: 10,757
North Dakota
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My 1965 Sport Fury 426 was stamped HP but in a much larger font than later years. THIS IS NOT MY CAR, but it is very close to what I had.
"We live in a time when intelligent people are being silenced so that stupid people won't be offended".
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Re: HP stamped blocks
[Re: GODSCOUNTRY340]
#3229164
04/25/24 04:43 PM
04/25/24 04:43 PM
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Joined: Jan 2003
Posts: 75,092 A Banana Republic near you.
JohnRR
I Win
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I Win
Joined: Jan 2003
Posts: 75,092
A Banana Republic near you.
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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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Re: HP stamped blocks
[Re: cudaman1969]
#3232053
05/10/24 01:00 PM
05/10/24 01:00 PM
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Joined: May 2019
Posts: 6,318 nowhere
Sniper
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Joined: May 2019
Posts: 6,318
nowhere
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My 63 engine had 426 TMPHC iirr but really there’s no difference in any block from HC to non HC, just what’s put inside T stood for 1963 MP was maximum performance (max wedge I believe) HC was the high compression version, 13.5 vs 11.5 I believe At least that is what I recall from playing around with them back in the 80's. You are correct about the actual block differences though, none.
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Re: HP stamped blocks
[Re: Sniper]
#3232104
05/10/24 07:48 PM
05/10/24 07:48 PM
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Joined: Jan 2004
Posts: 8,343 fredericksburg,va
cudaman1969
master
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master
Joined: Jan 2004
Posts: 8,343
fredericksburg,va
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My 63 engine had 426 TMPHC iirr but really there’s no difference in any block from HC to non HC, just what’s put inside T stood for 1963 MP was maximum performance (max wedge I believe) HC was the high compression version, 13.5 vs 11.5 I believe At least that is what I recall from playing around with them back in the 80's. You are correct about the actual block differences though, none. Thanks, you nailed it. Wish I had it back, sold the whole car in 78 for $2800 lol
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