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scj's or p-51's

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res0rli9
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scj's or p-51's - Page 2 Empty Re: scj's or p-51's

Post  The Pope December 9th 2009, 7:37 am

lghting94 wrote:I am not the kind of person to just spend money I like to look at every angle I can think of and plan everything I possibly can before I start then I will start collecting the parts for the build as my funds allow.
Same here. I'm still trying to figure out the path that I want to take and the SCJ/P-51 decission is something that I'm wanting to figure out as well.


cletus66 wrote:You have the negative image of my truck. Freaky !!!
Nice looking rig you got there. I'd like to think that mine is the positive image! lol!
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Post  cheatham December 9th 2009, 7:58 am

Well, I bought the SCJ's from Lem, I think they will do everything I want, my goals arent as big as other. I'd like an honest 600 hp I think they should have no problem making that. Thats more then my heavy cougar with my heavy self can use. Embarassed And I will still have room to grow Smile
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Post  res0rli9 December 9th 2009, 9:58 am

Well id like me some A460s. so if ya'll have any laying around u not useing just toss them my way Please.



Keith

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Post  cletus66 December 9th 2009, 2:34 pm

cletus66 wrote:You have the negative image of my truck. Freaky !!!
Nice looking rig you got there. I'd like to think that mine is the positive image! lol![/quote]


Laughing Laughing Laughing
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Post  the Coug December 9th 2009, 3:12 pm

well if flow Numbers or not important why in the Hell do we even have them ported????? why not just take them as the are right out of the Box and just bend over and take it like a man????? in that case then why not just use factory casted heads they have to be right you know the Factory made them..... scj's or p-51's - Page 2 Icon_eek

The Fact is the Flow Numbers are a part of the Big Picture, but you have to have all of the components matched.


JMHO
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Post  lghting94 December 9th 2009, 4:05 pm

the Coug wrote:well if flow Numbers or not important why in the Hell do we even have them ported????? why not just take them as the are right out of the Box and just bend over and take it like a man????? in that case then why not just use factory casted heads they have to be right you know the Factory made them..... scj's or p-51's - Page 2 Icon_eek

The Fact is the Flow Numbers are a part of the Big Picture, but you have to have all of the components matched.


JMHO
Randy

Randy I agree that flow numbers are important but not the complete picture as you stated and Mr Malik stated earlier all things must match for the combo and intent of your specific build.

Todd
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scj's or p-51's - Page 2 Empty After so many years, still true ?

Post  427HISS July 10th 2021, 4:38 pm

This is an older thread, but is it still true that the SCJ heads,A460s favored over the P-51 heads ?
Who is LEM ?

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Post  dfree383 July 10th 2021, 5:11 pm

Kaase has came out with the SR-71 heads in the last few years, they are pretty damn good.
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Post  427HISS July 10th 2021, 6:57 pm

dfree383 wrote:Kaase has came out with the SR-71 heads in the last few years, they are pretty damn good.
Yeah, but the price ! 😲

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Post  rmcomprandy July 10th 2021, 7:42 pm

427HISS wrote:This is an older thread, but is it still true that the SCJ heads,A460s favored over the P-51 heads ?

A P-51 Kaase head is essentially a thicker as-cast version of a ported SCJ head with a few other improvements like CNC combustion chamber shape and valve bowls with better rocker stud alignment for high valve lift.

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Post  427HISS July 10th 2021, 7:49 pm

Doesn't his P-71 need special machining will not work on regular 460 block ?
Something like that anyway...

How about other heads ?

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Post  Mark Miller July 10th 2021, 11:33 pm

427HISS wrote:Doesn't his P-71 need special machining will not work on regular 460 block ?
Something like that anyway...

How about other heads ?

The P-71 will work on a regular 460 block but i'm sure it would need to be .030 over or more on the bore!!

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Post  427HISS July 11th 2021, 7:47 am

Mine is 0.30 over. Very Happy

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Post  dfree383 July 11th 2021, 11:57 am

427HISS wrote:
dfree383 wrote:Kaase has came out with the SR-71 heads in the last few years, they are pretty damn good.
Yeah, but the price !  😲

You get what you pay for
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Post  rmcomprandy July 11th 2021, 12:26 pm

427HISS wrote:Doesn't his P-71 need special machining will not work on regular 460 block ?
Something like that anyway...

How about other heads ?

The SR-71 will mate to a stock block with a 4.390" bore if the exhaust valve is made a little smaller, (1.710" Cleveland Cobra Jet size), and Kasse's will do that change "out of the box" if you ask them.

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Post  427HISS July 11th 2021, 1:48 pm

dfree383 wrote:
427HISS wrote:
dfree383 wrote:Kaase has came out with the SR-71 heads in the last few years, they are pretty damn good.
Yeah, but the price !  😲

You get what you pay for

Most of the time I agree, but just because something is lower in cost, doesn't mean it's cheap in quality. 👍

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