LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Using the GM guideplates and Pro Mags, doesnt look like the tips are centered on stem

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Old Nov 25, 2004 | 06:14 PM
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BlackLT1_TX's Avatar
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Using the GM guideplates and Pro Mags, doesnt look like the tips are centered on stem

Just like it says, running Comp R's, hardend 7.2 pushrods, GM guide plates, and Comp Pro Mags (also running Crane springs, Comp locators and isolators/locks).

All of them look good except for number 4, those two look like the roller tip is not centered right on the vavle stem. I tried unscrewing the rocker and the studs and seeing if there is any adjustment room, but there really isnt, and I tried pushing them as far as I could and tightning them, but they look exactly the same.

Whats up with this god forsaken project...
Old Nov 25, 2004 | 06:25 PM
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Question Re: Using the GM guideplates and Pro Mags, doesnt look like the tips are centered on stem

If they are self aligning you shouldnt be using them...NSA .i dont know?
Old Nov 25, 2004 | 06:45 PM
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BlackLT1_TX's Avatar
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Re: Using the GM guideplates and Pro Mags, doesnt look like the tips are centered on stem

You dont run guide plates on SA rockers. I am running the pro-mag NSA with the GM guideplates that like everyone on here recommends. But for some reason this one doesnt look like it lines up right.

-James
Old Nov 25, 2004 | 07:28 PM
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Re: Using the GM guideplates and Pro Mags, doesnt look like the tips are centered on stem

Are you running GM #14011051 guideplates ?
Old Nov 25, 2004 | 10:07 PM
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Re: Using the GM guideplates and Pro Mags, doesnt look like the tips are centered on stem

Yes, and I made sure they had the "5" on all of them. Come on, somebody help me out with this!
Old Nov 26, 2004 | 03:40 AM
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Re: Using the GM guideplates and Pro Mags, doesnt look like the tips are centered on stem

Those using the #14011051 that state they line up well/fine, are using standards of comparo, that are not very precise. If you want to be precise, better bet are adjustables.
Old Nov 26, 2004 | 10:09 AM
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Re: Using the GM guideplates and Pro Mags, doesnt look like the tips are centered on stem

You very well could have slightly bent pushrod(s).
Old Nov 26, 2004 | 12:26 PM
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Re: Using the GM guideplates and Pro Mags, doesnt look like the tips are centered on stem

Originally Posted by arnie
Those using the #14011051 that state they line up well/fine, are using standards of comparo, that are not very precise. If you want to be precise, better bet are adjustables.
Agree. If you don't like them, get adjustable plates.
Old Nov 26, 2004 | 01:46 PM
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Re: Using the GM guideplates and Pro Mags, doesnt look like the tips are centered on stem

Switch the guideplates and see if the problem follows. If so you could prolly just buy 1 new GP and go with it.

Take a good look at number 5 too. Thats the same part of the head as 4, so should be off too if its something in the heads, unless machine tolerences were way off.
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