C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

johnson hyd roller lifters ?

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Old Jan 23, 2017 | 06:40 PM
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Default johnson hyd roller lifters ?

Does anyone have experience or knowledge on johnson hyd roller lifters ? I see they are used in the new copo camaro and those things will r.p.m.
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Old Jan 23, 2017 | 11:00 PM
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They are great but pricey. Super quiet compared to other lifters.

On that note I have run comp cam and crane(my current) link bar lifters and have been happy with both.
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Old Jan 24, 2017 | 06:51 PM
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thanks for your input.If I may ask, what lift and rpm's you running? I'm thinking about going hyd roller, now running a solid roller.
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Old Jan 24, 2017 | 08:39 PM
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I have a hyd. spinning to 6800ish now. upping that to 7500rpm with the new computer and intake. No signs of valve float.

I had to use linkbars due to my block not having provisions for a spider.
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Old Jan 25, 2017 | 07:21 PM
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Valve float is my concern,looking to turn 7k in standing mile and 1/2 mile events.going to call mike jones cams and get his help before I swap cams.i hear you on the computer upgrade,I still use a gen 6 dfi but it holds a great tune. Good luck
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Old Jan 25, 2017 | 09:31 PM
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I had tony mamo spec out my cam to my heads. Made exactly what I told him I wanted. drives like a dream but like all things I want more power now so going to call him up next winter for a bigger bumpstick to really get the power down.
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Old Jan 27, 2017 | 12:22 AM
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The Johnsons are excellent....I use them exclusively for all my builds!

I keep them in stock....limited travel (.093 plunger travel) and short travel (.058 plunger travel). Excellent quality lifter with low internal bleed rates....a true performance lifter and they are very quiet, especially if the rest of your valvetrain is dialed in!

Regards,
Tony
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Old Jan 28, 2017 | 05:18 PM
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Thanks for the info, i will hit you up if i end up going with a hyd roller. the only negative i see by the internet pro's is the knock on the .700 dia wheel. I would not think that would be an issue on a street grind.
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Old Jan 28, 2017 | 07:36 PM
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Originally Posted by mxnuke
Thanks for the info, i will hit you up if i end up going with a hyd roller. the only negative i see by the internet pro's is the knock on the .700 dia wheel. I would not think that would be an issue on a street grind.
LOL....great post

Not an issue....I have a ton of guys making huge power with these lifters.....power curves that you would think a solid roller was installed in most of them



When your ready let me know

-Tony
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