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S&S quickies vs. Adjustables vs. solid pushrods

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Old Aug 2, 2022 | 04:54 PM
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Default S&S quickies vs. Adjustables vs. solid pushrods

I have S&S quickies, but, I was wondering and trying to question whether adjustables or solid pushrods are a better choice. In my humble opinion, I think my S&S quickies may have some flex in them creating a timing issue. Maybe not. Just want to get yawls take on which pushrod you prefer, and Why.

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Old Aug 2, 2022 | 05:01 PM
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I didn't want to take rocker boxes, tank, etc off just to install lifters. So you know the way I went.
 
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Old Aug 2, 2022 | 05:06 PM
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Originally Posted by perki48
I didn't want to take rocker boxes, tank, etc off just to install lifters. So you know the way I went.
yes, I understand the rocker box part. Removing rocker boxes etc. doesn’t bother me, that’s only about a half an hour 45 minute job. I’m just wondering if regular adjustables, or solid pushrods, out perform S&S quickies as far as rigidity
 
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Old Aug 2, 2022 | 05:10 PM
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I've always just reused the stock ones, I've done 3 big bore/cam changes, so I've had the tank and rocker boxes off anyway

If I was just doing just cams and lifters, I'd probably consider adjustable's.

Jim
 
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Old Aug 2, 2022 | 05:13 PM
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Originally Posted by roussfam
I've always just reused the stock ones, I've done 3 big bore/cam changes, so I've had the tank and rocker boxes off anyway

If I was just doing just cams and lifters, I'd probably consider adjustable's.

Jim
understood. I started this thread with the hopes of finding out whether the SNS quickies flex. And if so, that would make my mind up to either go to tapered regular adjustable‘s, or back to solid Pushrods. With the S&S quickies, you can see where there are witness marks of the push rod hitting the tube which makes a little more noise, therefore I’m searching for some answers.
 
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Old Aug 2, 2022 | 05:28 PM
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Originally Posted by Harley1004
understood. I started this thread with the hopes of finding out whether the SNS quickies flex. And if so, that would make my mind up to either go to tapered regular adjustable‘s, or back to solid Pushrods. With the S&S quickies, you can see where there are witness marks of the push rod hitting the tube which makes a little more noise, therefore I’m searching for some answers.
I don't know about flex, but I had an S&S adjustable loosen up. Had to call for a tow truck. Took them out, went back to the stock rods.
 
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Old Aug 2, 2022 | 05:37 PM
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Originally Posted by oldbuck
I don't know about flex, but I had an S&S adjustable loosen up. Had to call for a tow truck. Took them out, went back to the stock rods.
During the first top end rebuild, I dropped to a .030 cometic Head gasket, and I used the S&S quickies then, and I reused them on this second top end. So, here I am. By default, I’m just wondering what the majority has to say about using the quickies and if they flex, versus the other two styles of pushrods
 

Last edited by Harley1004; Aug 2, 2022 at 05:38 PM.
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Old Aug 2, 2022 | 07:51 PM
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I used S&S 7/16 solids. I don't trust adjustables.
 
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Old Aug 2, 2022 | 09:30 PM
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Originally Posted by Harley1004
I have S&S quickies, but, I was wondering and trying to question whether adjustables or solid pushrods are a better choice. In my humble opinion, I think my S&S quickies may have some flex in them creating a timing issue. Maybe not. Just want to get yawls take on which pushrod you prefer, and Why.

knowledge is power
Depends on the cams. Different cams can have different base circles
For bolt in type cams I would not worry about any flex in the S&S quickies causing a timing issue. More timing issues tolerance are probably already ground into the cams. Plus chain stretch, gear lash, ect, ect...

But if big lift cams and high psi springs I would go heavier duty like Smith Bro's. I like adjustables cause I'm a little OCD. S.E., S&S, FM, Smith Bro's. Never had one come loose after startup. Only issue I've ever had with pushrods was a with a set from S.E. A jam nut broke in half on initial install. Replaced nut. Everything fine. Oh, except that time I bent a Crane pushrod on my old Evo back in the 90's. But that wasn't the pushrod's fault

Currently running a Smith Brothers fast install set adjustables with .660 lift cams. Also have a set of S&S adjustable non quickies with .598 lift cams
 

Last edited by tdrglide; Aug 2, 2022 at 09:36 PM.
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Old Aug 3, 2022 | 12:31 PM
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I think if your looking for rigidity and strength you cant beat a solid pushrod, that's just obvious. I think we'll all agree we use adjustables solely for ease of maintenance. I like adjustables because you have more flexibility in cam selections as well as being able to quite down an engine with an adjustment. I personally use the S&S Quickies and have never questioned their structural integrity. I think you would have a higher change of variable timing issues with the standard sloppy crank sprocket. I've yet to pull a twin cam OEM sprocket that wasn't sloppy on the pinion shaft. Feuling crank sprocket on ever build tightens that up.
 
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