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Re: Do you use offset lifters with you 440 -1 heads? [Re: Wax] #2704698
10/07/19 08:44 PM
10/07/19 08:44 PM
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Casper, WY
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I am also very tired of the damn ads popping up all the time. I will look into getting the ad blocker that has been mentioned. Sorry to hijack.

I had 440-1 heads on my low deck 512. 3/8 push rods. I did have to clearance the heads some why to keep from rubbing. No big deal. The cam had a lift of around .650” lift.

Re: Do you use offset lifters with you 440 -1 heads? [Re: Jeremiah] #2704702
10/07/19 08:56 PM
10/07/19 08:56 PM
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You can see some of the grinding I had to do on the deck and valley in this picture

C32DDE62-F582-4167-AAB6-E4411FD1DD1D.jpeg

1970 Duster
Edelbrock headed 408
6.143@110.85 mph
9.73@135.05 mph shifting at 6700 RPM
422 Indy headed small block
5.982@112.56 mph
9.42@138.27

Livin and lovin life one day at a time




Re: Do you use offset lifters with you 440 -1 heads? [Re: polyspheric] #2704715
10/07/19 09:27 PM
10/07/19 09:27 PM
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Originally Posted by polyspheric

I like correcting pushrod angularity, but this must be weighed against "does it require a smaller pushrod OD than the other lifter choice"? The usual rule: if you're not sure your pushrod is the largest one that fits... it's too small.

I don't like the resulting angles with the offset rockers and lifter seats, but I suppose it's still less extreme than a Gen 2 Hemi valve train.

Re: Do you use offset lifters with you 440 -1 heads? [Re: BradH] #2704753
10/08/19 04:41 AM
10/08/19 04:41 AM
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Rogue River, OR
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Originally Posted by BradH
Originally Posted by polyspheric

I like correcting pushrod angularity, but this must be weighed against "does it require a smaller pushrod OD than the other lifter choice"? The usual rule: if you're not sure your pushrod is the largest one that fits... it's too small.

I don't like the resulting angles with the offset rockers and lifter seats, but I suppose it's still less extreme than a Gen 2 Hemi valve train.


And then there is the argument concerning side loading the roller lifter. What is harder on the lifter, side loading the lifter bore from pushrod angularity or side loading the roller with the offset cup?

Less p/rod angle equates to more net lift, correct?



Re: Do you use offset lifters with you 440 -1 heads? [Re: BradH] #2704754
10/08/19 04:44 AM
10/08/19 04:44 AM
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Rogue River, OR
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Originally Posted by BradH
Some pics, in case it helps.

One (the one w/ the notes added) was something I found that Jim Hanrahan (440Jim) posted years ago. Looks like Jim's picture was taken w/ zero-offset lifters, but annotated to show where grinding would be needed to use offset intakes..

The others are from the mock-up I mentioned above. If you look closely at the #3 intake, you can see the masking tape I put on the pushrod is being torn off due to lack of clearance w/ the block boss. The intake pushrods were all really close, even if they didn't rub.


I forgot to mention that part of my block prep includes cutting those lugs off when deburring the block.



Re: Do you use offset lifters with you 440 -1 heads? [Re: jughed] #2704755
10/08/19 04:49 AM
10/08/19 04:49 AM
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Originally Posted by jughed
0 offset Comp Cams 829-16s work just fine with 440-1s and 1.6 T&Ds. Pushrods are 3/8" Smith Bros.. Mega Block. Been running this 540" combo for 10+ years...zero issues

Originally Posted by FastmOp
I run straight rollers, Comps.

This site is going down hill fast with the stupid adds


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What kind of spring pressures are you running? Are those t and d rockers paired or shaft? Do you know the intake rocker offset? I think Brad mentioned .720 previously.



Re: Do you use offset lifters with you 440 -1 heads? [Re: Jeremiah] #2704761
10/08/19 06:20 AM
10/08/19 06:20 AM
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.725 is T&D's MW Victor offset and .800 is their 440-1 offset for the standard replacement kit. No idea if that's different for the paired intake & exhaust config, though.

Re lifter loads with angled pushrods and/or offset pushrod seats... good question.

Re: Do you use offset lifters with you 440 -1 heads? [Re: BradH] #2704764
10/08/19 06:32 AM
10/08/19 06:32 AM
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Hot Rod Ridge
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I'm using INDY shaft rockers. Ole junk stuff that has been good to me.

Re: Do you use offset lifters with you 440 -1 heads? [Re: Jeremiah] #2704781
10/08/19 09:01 AM
10/08/19 09:01 AM
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Central Il.
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Originally Posted by Jeremiah
Originally Posted by jughed
0 offset Comp Cams 829-16s work just fine with 440-1s and 1.6 T&Ds. Pushrods are 3/8" Smith Bros.. Mega Block. Been running this 540" combo for 10+ years...zero issues

Originally Posted by FastmOp
I run straight rollers, Comps.

This site is going down hill fast with the stupid adds


What ads??

AdBlock Plus

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What kind of spring pressures are you running? Are those t and d rockers paired or shaft? Do you know the intake rocker offset? I think Brad mentioned .720 previously.


The springs are K-950s. The T&Ds are the shaft type. Can't recall the offset. No problems with the shaft style rockers, but looking back, I should have went with the paired rockers for the obvious benefits. But the heads were on and i didn't want to remove them for the required machine work.




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Re: Do you use offset lifters with you 440 -1 heads? [Re: jughed] #2704835
10/08/19 11:36 AM
10/08/19 11:36 AM
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Rogue River, OR
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Good info thanks boys. I will get the heads back and see how it looks.



Re: Do you use offset lifters with you 440 -1 heads? [Re: Jeremiah] #2705076
10/09/19 09:07 AM
10/09/19 09:07 AM
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Originally Posted by Jeremiah

Andy, do you have any single sets of offset roller lifters in your mock up stash?

What are you looking for? I have a used pair of IMM (COMP-style) with centered exhaust and .180"-offset intakes. What I don't remember is whether the intake offset is for #1/#5/#4/#8 or #3/#7/#2/#6, though.

EDIT: While digging around for more pushrod angle stuff, I came across this old thread on the subject: https://board.moparts.org/ubbthread...angles-b1-ts-2-hemi-99-goodwin-hemi.html

scope

Last edited by BradH; 10/09/19 09:26 AM.
Re: Do you use offset lifters with you 440 -1 heads? [Re: BradH] #2705476
10/10/19 10:56 AM
10/10/19 10:56 AM
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Thank you , good stuff. Thanks for probing the subject over on ST also. I will look past that violation of our agreement lol. I have not had time to harass uncle Dino about the heads. He said he would work on em.

Something about a little power outage in CA has been keeping me pretty tied up lol.

Good stuff keep it coming!

Last edited by Jeremiah; 10/10/19 10:57 AM.


Re: Do you use offset lifters with you 440 -1 heads? [Re: Jeremiah] #2705511
10/10/19 12:36 PM
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Never having had my hands on a set of 440-1s... since a .800" rocker offset is used for centered (zero offset) lifters, would using a .180" or .210" offset lifter allow for using less rocker offset?

EDIT: Checked on the used lifter pair I have and they are for #1/#5/#4/#8

Last edited by BradH; 10/10/19 12:48 PM.
Re: Do you use offset lifters with you 440 -1 heads? [Re: BradH] #2705525
10/10/19 01:10 PM
10/10/19 01:10 PM
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Probably not, the intake port width doesn't change with the lifter offsets, correct whistling grin


Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
Re: Do you use offset lifters with you 440 -1 heads? [Re: Cab_Burge] #2705530
10/10/19 01:23 PM
10/10/19 01:23 PM
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Originally Posted by Cab_Burge
Probably not, the intake port width doesn't change with the lifter offsets, correct whistling grin

It would depend upon where the closest point between the pushrod and the head is. If the clearance issues are closer to the bottom of the outside port wall, then moving out the pushrod seat could increase clearance there while allowing for less rocker offset at the top where there isn't a clearance issue.

Like I said, I'm not familiar enough w/ the 440-1 to know what is/isn't possible in that area. scope

Re: Do you use offset lifters with you 440 -1 heads? [Re: BradH] #2705564
10/10/19 03:05 PM
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Originally Posted by BradH
Never having had my hands on a set of 440-1s... since a .800" rocker offset is used for centered (zero offset) lifters, would using a .180" or .210" offset lifter allow for using less rocker offset?

EDIT: Checked on the used lifter pair I have and they are for #1/#5/#4/#8


Outstanding. I have the rocker gear here so let me see what the intake offset is.



Re: Do you use offset lifters with you 440 -1 heads? [Re: Jeremiah] #2705834
10/11/19 10:53 AM
10/11/19 10:53 AM
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Seems to be no 'wrong' answer on this but I like straight pushrod angles. I would hazard that a 3/8" prod 'system' would like an offset lifter moreso than a 'good' 7/16 prod. Sorry for delay.

Re: Do you use offset lifters with you 440 -1 heads? [Re: HardcoreB] #2707762
10/17/19 06:03 PM
10/17/19 06:03 PM
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Thanks for sharing your thoughts Sean. I am going to grab a head from the machine shop to do some figuring. I spent a few minutes trying to measure the rocker offset but never really figured out a good way to accurately measure.

I am going to get the PR angles straight with offset lifters if needed.

Re: Do you use offset lifters with you 440 -1 heads? [Re: Jeremiah] #2707853
10/17/19 09:05 PM
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PM me if you need to borrow the .180"-offset lifter pair to mock up stuff.

Re: Do you use offset lifters with you 440 -1 heads? [Re: BradH] #2707898
10/18/19 01:50 AM
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Thank you I will post up some pics and we can chop it up lol.



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