Guide plates

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Guide plates

Post  Tore on October 13th 2014, 1:47 pm

Are the guide plates for the P-51 heads the same as the Ford SCJ Heads??

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Re: Guide plates

Post  dfree383 on October 13th 2014, 2:01 pm

Should be..... But I've never tried. I've only used the ones Kaase supplied with the p-51s
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Re: Guide plates

Post  460bronco on October 13th 2014, 3:06 pm

I thought the two heads had the same valve angles, but slightly different rocker arm stud locations?
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Re: Guide plates

Post  rmcomprandy on October 13th 2014, 3:17 pm

Tore wrote:Are the guide plates for the P-51 heads the same as the Ford SCJ Heads??

Tore

Not EXACTLY the same but, close enough to work OK.

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Re: Guide plates

Post  c.evans on October 13th 2014, 5:51 pm

If the guides plates don't line up properly, always be willing to cut them in half, align everything, and then tig weld them back together. That means all types of heads, such as Blue Thunder, SCJ, Edelbrock, P-51 or any of them.

Hope this helps,

Charlie

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Re: Guide plates

Post  Tore on October 13th 2014, 6:55 pm

Thanks for the info.



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Re: Guide plates

Post  hienergy557 on October 13th 2014, 9:18 pm

I have cut and welded BT's & P51's because I wasn't happy with the alignment.
I've since gone to shaft rockers.
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Re: Guide plates

Post  jbozzelle on October 16th 2014, 4:04 pm

From my experience they're different...

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Re: Guide plates

Post  Dave De on October 17th 2014, 2:14 pm

If the stud girdles are different then the guides should be as well. My SCJ guides were way off. I hear that the P-51 guides are better fitting on P-51 heads.
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Re: Guide plates

Post  rmcomprandy on October 17th 2014, 10:14 pm

Dave De wrote:If the stud girdles are different then the guides should be as well. My SCJ guides were way off. I hear that the P-51 guides are better fitting on P-51 heads.

The stud girdles are different because the intake studs are at a different angle. The base of the stud is in the same location as those on a Ford Racing SCJ head.

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Re: Guide plates

Post  jbozzelle on October 20th 2014, 2:31 pm

rmcomprandy wrote:
Dave De wrote:If the stud girdles are different then the guides should be as well. My SCJ guides were way off. I hear that the P-51 guides are better fitting on P-51 heads.

The stud girdles are different because the intake studs are at a different angle. The base of the stud is in the same location as those on a Ford Racing SCJ head.

That would make the guide plates head specific too, right? Or am I over thinking it?

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Re: Guide plates

Post  rmcomprandy on October 20th 2014, 5:59 pm

jbozzelle wrote:
rmcomprandy wrote:
Dave De wrote:If the stud girdles are different then the guides should be as well. My SCJ guides were way off. I hear that the P-51 guides are better fitting on P-51 heads.

The stud girdles are different because the intake studs are at a different angle. The base of the stud is in the same location as those on a Ford Racing SCJ head.

That would make the guide plates head specific too, right? Or am I over thinking it?

The guide-plate is LOCATED at the BASE of the stud. They would have a slightly different "twist" but, will conform to the correct angle when the stud is torqued.

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Re: Guide plates

Post  Lem Evans on October 20th 2014, 6:57 pm

rmcomprandy wrote:
jbozzelle wrote:
rmcomprandy wrote:
Dave De wrote:If the stud girdles are different then the guides should be as well. My SCJ guides were way off. I hear that the P-51 guides are better fitting on P-51 heads.

The stud girdles are different because the intake studs are at a different angle. The base of the stud is in the same location as those on a Ford Racing SCJ head.

That would make the guide plates head specific too, right? Or am I over thinking it?

The guide-plate is LOCATED at the BASE of the stud. They would have a slightly different "twist" but, will conform to the correct angle when the stud is torqued.

That's the way i see it.

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Re: Guide plates

Post  Beast on November 2nd 2014, 4:24 am

c.evans wrote:If the guides plates don't line up properly, always be willing to cut them in half, align everything, and then tig weld them back together. That means all types of heads, such as Blue Thunder, SCJ, Edelbrock, P-51 or any of them.

Hope this helps,

Charlie

We had to cut and weld the guide plates on my P-51 heads.
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