RallyBoy1

Has anyone used the guideplates from lingenfelter? The trickflows are on backorder so I thought these may be a good replacement. I wonder are they rebaged comps or another brand?

http://www.lingenfelter.com/Merchant...Category_Code=

wrd1972

They look a lot like GM.

seawolf06

Those are GM guideplates.

RallyBoy1

Should I be worried about them not being hardened?

Joe B

I (like many out there) had a few of the GM guide-plates that were soft and grooving from the push rods.....I replaced the few that were bad and the replacements I got were fine (and are still fine).....Over the years, I've also had several other companies guide-plates have similar heat treating issues......Point being...IMO, the best thing to do "no matter what you get", just pull your valve covers and check them out every couple thousand miles or so till you know that their not grooving (IE: problematic)................Joe

SS RRR

I had the same LPE guide plates for 10 years and 70K miles with no issues. Don't think you'll have a problem.

speed_demon24

How was the alignment?

ABA383

13 years and 51,000 miles with those guide plates and no issues...Only pulled valve covers twice in 13 years, too...and if anyone cares the LPE LT1 heads are on sale for $1395 through LPE...2.00/1.56 valves, titanium retainers, CNC ported, Dual springs, etc, etc...

--Alan

SS RRR

For the two applications before the new engine they were fine. I am now running a much taller lifter and a much shorter pushrod and they did not work out. I believe the taller, solid roller lifter amplifies any factory SBC misalignment GM is famous for. Has nothing to do with the guideplates themselves, smartass.
Come to think of it.. because I didn't think of the 2nd application I had them on (GM 847 cam) they were on the jalopy for 80K...

RallyBoy1

Well apparently Lingengfelter does not manufacture their own guide plates anymore because they sent me the Comp Cams 4808-8 guideplates. These are incorrect right?

SS RRR

I don't believe there are any markings on mine.

RallyBoy1

The guideplates they sent me were in the comp package with part number 4808-8 on them. Man, this is getting very frustrating. It seems like self-aligning would be so much easier to work with.

SS RRR

What's the matter w/ the comp ones? If LPE deems them worthy to use in their engines then you should not have a problem. IMO I wouldn't use any self-aligning rocker for anything above the stock rpm limit, but that's just me...

RallyBoy1

The research I have done has shown that the comp 4808-8 guideplates are incorrect for the LT1 head. The space for the pushrod is too narrow and causes abnormal wear on both the guideplate and the pushrod. I can't see how they use these guideplates if the general consensus is they are incorrect.

SS RRR

Don't believe everything you read? All valvetrains behave differently for different reasons. As the saying goes, what may not work in one application will work just fine in another. I'm sure LPE would have pulled them and went to something else if that was truly the case. If you don't want to use them then get isky adjustables and be done with it.