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Comp 836 lifters

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dfree383
460Dave
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BIG BLOCK FORD :: GENERAL TECH :: ENGINE TECH

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Post  460Dave April 13th 2015, 10:53 am

Is there a difference between an older (circa 2000) Comp 836 lifter and a new one? My old ones are due for a rebuild, but I'm wondering if there's a better option.

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Post  dfree383 April 13th 2015, 12:40 pm

The newer stuff has pressure feed for the bearings, look in the bottom of the band on them if you see a small hole on the bottom they are the latest ones per my knowledge.

It's a very small hole and hard to see.
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Post  Straubtech April 14th 2015, 2:36 pm

When it comes to sizing and quality it is hard to beat a Morel lifter.

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Post  Mark Miller April 15th 2015, 12:43 am

dfree383 wrote:The newer stuff has pressure feed for the bearings, look in the bottom of the band on them if you see a small hole on the bottom they are the latest ones per my knowledge.

It's a very small hole and hard to see.

Dave,do you have a picture of those?I think the last pair i put in my engine have that hole but not sure?I remember a very small hole in the lifter in the top part of the body where it turns back toward the center of the lifter.I guess it's hard to explain without a picture?Thanks

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Post  460Dave April 15th 2015, 7:25 am

How big a deal is the pressurized oilers vs non pressurized ones in a 800lb spring deal?

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Post  dfree383 April 15th 2015, 8:16 am

IMO a big deal for longevity. The comp 836 stuff is ok with light springs and small street lobes. If your running 800# stuff get a better lifter.

I've trashed numerous sets of them over the years. They tend to spread it the forks that hold the roller wheel and then it gets ugly.
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Post  Straubtech April 15th 2015, 8:42 am

If the engine is going to see alot of idle time, street strip, then you REALLY need to run pressure fed oiling lifters. If it is a drag engine only the need for pressure fed oiling lifters goes down. A good maintenance program on either is a must.

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Post  Lem Evans April 15th 2015, 8:57 am

dfree383 wrote:IMO a big deal for longevity. The comp 836 stuff is ok with light springs and small street lobes. If your running 800# stuff get a better lifter.

I've trashed numerous sets of them over the years. They tend to spread it the forks that hold the roller wheel and then it gets ugly.

X2 . At 800 open load a better lifter would be good if you have the budget.

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Post  dfree383 April 15th 2015, 8:59 am

Mark Miller wrote:
dfree383 wrote:The newer stuff has pressure feed for the bearings, look in the bottom of the band on them if you see a small hole on the bottom they are the latest ones per my knowledge.

It's a very small hole and hard to see.

Dave,do you have a picture of those?I think the last pair i put in my engine have that hole but not sure?I remember a very small hole in the lifter in the top part of the body where it turns back toward the center of the lifter.I guess it's hard to explain without a picture?Thanks

No I don't have any pictures sorry, maybe Lem or Chris Straub have some.
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Post  DaveMcLain April 15th 2015, 9:45 am

Keep in mind too that there are Comp 836's that are machined incorrectly for big Ford use and they will dump oil pressure as the lifter approaches max lift. The cutout above the wheel is too tall. The new more expensive Comp lifters cure this problem. There was a thread from last summer with pictures on the other forum about this topic.


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