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09-07-2015, 12:01 PM | #21 |
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Re: Schubeck lifters
Trend lifters are available in various grades, from the $25-$28 flat tappet (or "solid") and hydraulics I usually sell, all the way up to $80 NASCAR lifters with DLC coatings.
Trend will tell you that the $80 NASCAR grade DLC coated lifter is the ultimate and truly correct setup for a steel billet core. A lot of people run the lower cost versions. The cam should be nitrided, and preferably micro polished to the slickest surface possible for the best possible result. Many people are keeping the Schubeck or Smith lifters, using them only to break in the camshaft, then switching to the Trend for another break in before making power runs. They can break in an unlimited number of camshafts that way, and the result is even better than having the camshaft polished, you can actually skip that process. If you have already run the Smith's, you can simply do another normal break in with the Trend lifters. The pushrod cup may not be in the same location, so you may need to change pushrods to get the correct lift. In the aftermarket, there is apparently no industry standard for pushrod cup height.
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Alan Roehrich 212A G/S |
09-07-2015, 05:03 PM | #22 |
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Re: Schubeck lifters
So it looks like $450-500 for the Trend lifter for the 327,plus they drop in since both engines have lots of run time on them with the Smiths Originally, with the lack of zinc in our oils, cast iron cams were not living, so I thought the Schubeck or Smith lifter would alleviate that, also,the valve spring tensions that we use make the cast iron cam a strength factor,so that is why I ordered Bullet cams that were steel billet and paid extra for it, which I don't mind if that is what it takes to not break engines.That is the set up I have run for the last five or six years with no problems. I don't turn engines to the moon anyway, preferring longevity over optimal numbers, so that seems logical. E mail me at chevellegreg7376@hotmail.com with the details.
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09-08-2015, 08:06 AM | #23 |
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Re: Schubeck lifters
Alan.
What do you do about cutting back oiling to rockers on Trends? Mike Taylor 3601 |
09-09-2015, 09:31 PM | #24 |
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Re: Schubeck lifters
Will the Trend "low movement" lifter pass for a hydraulic lifter in a stocker?
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09-09-2015, 10:39 PM | #25 |
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Re: Schubeck lifters
Yes .Only need .015 travel. They just want to see it squirt oil when compressed.
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09-09-2015, 10:54 PM | #26 |
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Re: Schubeck lifters
Another option is to run Sherman Lifters.
Many are using them with no problems and will not break the bank. |
09-10-2015, 03:11 AM | #27 |
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Re: Schubeck lifters
If necessary, we use restrictors, or restricted pushrods.
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Alan Roehrich 212A G/S |
09-10-2015, 09:29 AM | #28 |
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Re: Schubeck lifters
One I freshened up had trends I ended up having to restrict inside the lifters, could'nt get the right flow with oil restrictors in block,kept adding restriction to it till it looked good at the back rockers,but wouldn't oil the front or put oil out between lifter bores and lifters,
Ended up restricting inside of lifters to get it oiling right,probably could have done with restricted pushrods but it had good pushrod in it and didn't have a few ,more days to wait. The correct thing would be have them make the lifters with oil hole moved up above oil band like most roller lifters. Mike Taylor 3601 |
09-10-2015, 10:06 AM | #29 |
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Re: Schubeck lifters
Do you think Smith will help you if one breaks?. He said to bad to me.
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09-10-2015, 10:10 AM | #30 |
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Re: Schubeck lifters
The drag racing lifters are different from the NASCAR lifters, they were designed when we had ball and stud rockers and not roller rockers. I'm pretty sure I can get Trend to do something if necessary. We had bad problems with the PPPC stuff that was made the way an edge orifice Z-28 lifter is made, they had to be modified, or they'd starve the top end and fry it.
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