Potential Sources for New Lifters

[Jagdpanzer]

Researching potential sources for new lifters to the original GM PN 17120991 lifters from AC Rochester our engines were originally built with.


Discovered the same style bucket lifter is also used in the GM Quad 4 engine as well as some foreign engines built by Audi VW and others.

Here are the aftermarket alternatives I've identified so far:

• Current AC Delco HL110C
• Milling JB-6051
• Federal Mogul Sealed Power HT2236
• Clevite 213-1747

Prices range from less than $10 to over $30 each.

Anyone care to share their experiences with any of these?

Particularly interested how they compare with the original GM lifters in terms of performance and durability.

Thanks,

Phil

[tpepmeie]

Phil,
another option is the lightweight VW/Audi lifters made by INA. Stock GM/AC Delco pieces are heavy...about 75 grams each. The INA ones are less than 50 grams. We have a set to test with my new cams on the spintron to ensure they are reliable to at least 8000 with my valvetrain pieces. (No, Kevin, I'm not really going to spin my motor that high....)

The installed height would have to be checked thoroughly if using stock valves and valve stem height. In my case, it stacks out perfectly with my new valves, but your mileage may vary.

They're about $12 each.

Todd

[Jagdpanzer]

Thanks Todd,
Great tip!
Keep us posted on how they test out.

[Polo-1]

Originally Posted by tpepmeie

(No, Kevin, I'm not really going to spin my motor that high....)

Todd

That's OK mine is chiped to 8,200

had a little set back, did not hold water pressure. GO BIG or reWELD

[tpepmeie]

Originally Posted by Polo-1

had a little set back, did not hold water pressure. GO BIG or reWELD

Uh oh. Does that mean the rest of us will have to wait even longer to get our parts done? No cutting in the line, Kevin

Todd

[Locobob]

Don't worry about it Kevin, just puncture the others and call it water injection.

[Locobob]

Originally Posted by tpepmeie

Phil,
another option is the lightweight VW/Audi lifters made by INA. Stock GM/AC Delco pieces are heavy...about 75 grams each. The INA ones are less than 50 grams. We have a set to test with my new cams on the spintron to ensure they are reliable to at least 8000 with my valvetrain pieces. (No, Kevin, I'm not really going to spin my motor that high....)

The installed height would have to be checked thoroughly if using stock valves and valve stem height. In my case, it stacks out perfectly with my new valves, but your mileage may vary.

They're about $12 each.

Todd

Why would you need to check the installed height? Specs somehow different? Are your valves not stock height? I'm guessing that you looked into hardness compatability?
Be awesome if the VW/Audi lifters work, $12 and 25g lighter - whats not to like.

[Polo-1]

already fixed and in the mail back home

[tpepmeie]

Originally Posted by Locobob

Why would you need to check the installed height? Specs somehow different?

There is less than 1 mm difference in uncompressed foot to face distance. Which is still a lot, really, considering the lifter travel is .120". Hard to tell exactly how that difference would change with oil pressure, but I suspect not much. Works fine for me, perfect in fact, because I have +1mm valve tips.

Originally Posted by Locobob

Are your valves not stock height?

Nope, a mm longer tip. Originally designed it that way to leave room for a shim under solid buckets, and get taller spring installed height. The solid bucket idea faded away, but it fortuitously turns out that the VW lifters are a perfect fit with my combination. The valve seat cut might have had a small interaction here with the stackup height, but relatively small I think.

Originally Posted by Locobob

I'm guessing that you looked into hardness compatability?

Yep. No worries there.

[HAWAIIZR-1]

Phil,

Thanks for asking this question as I am looking for some new lifters right now. I am thinking of going with the HT-2236 Sealed Power and hope someone can chime in about their experience with these or what they have heard. I have to search my old, old list server emails as I remember something mentioned about 5 years ago or so.

Craig