Cam Recommendations?

[Gaz64]

Originally Posted by FatBoy

I started the reassembly today, but on unpacking Doug's H+M cam and followers, I discovered that it has shell rather than dumbbell type followers, which obviously means longer pushrods.

My question is, would it be easier and possibly cheaper to buy a new set of dumbbell followers, or do I need to get some custom length pushrods?

I have Dove roller rockers and I've just ordered some new posts, end-supports and spacers from Precision Pumps.

Thanks,
Paul

Can you post a pic?
Never heard of Dumbbell followers.

[FatBoy]

Here is a link to the Comp Cams solid "dumbbell" lifter:

https://www.summitracing.com/int/par...5-16/overview/

Based on the advice being given, I should be buying new lifters in any case. In retrospect, it would probably have been easier to buy a new cam and lifters from the outset, rather than buying dcdoug's used items.

I've had a closer look at the other lifters that I took out of the engine and they're worn flat on the cam end, rather than having the necessary convex profile, so they were all on the way out.

Paul

[Gaz64]

The link doesn't work Paul.

I've searched Summit for "dumbbell" and I can't find that either.

Gary

[RockBit]

Originally Posted by Gaz64

I've searched Summit for "dumbbell" and I can't find that either.

Gary

Gary - Google AT2084

[Dominik]

Dumbbell.. :-)
They have a reduced diameter (neck) from halfway to a quarter up to save weight.
Actually look like a mini dumbbell.

[FatBoy]

Update...

I'm now talking to Brent about a custom ground cam rather than using Doug's old cam, so I think I'll be going down that route instead.

Anyone want a Holman + Moody cam and followers?

Paul

[FatBoy]

Originally Posted by Dominik

Dumbbell.. :-)
They have a reduced diameter (neck) from halfway to a quarter up to save weight.
Actually look like a mini dumbbell.

They appear to be the standard/original type for FE's although most of the suppliers now seem to sell the lighter hollow shell type and use longer pushrods.

If I were starting from scratch, I'd probably go down the shell route, but as my top-end has been setup for the dumb-bell type, I'll stick with those.

Paul

[Gaz64]

Yes Paul, I thought that's what we are talking about here, wasted at the middle.

Looks like a dumbbell, just never heard referenced in that manner.

Lightweight solid lifters makes more sense for me, .

Gary