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Old 09-25-2014, 06:28 AM   #101
Tim Ayers
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Default Re: Adjustable or Non Adjustable Lifters ?

Another note: Didn't Johnson also offer longer hollow adjustables for reground cam applications? I thought I recall seeing a set or two sale a few years back.

Does anyone recall these ever being offered?
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Old 09-25-2014, 08:51 AM   #102
rotorwrench
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Default Re: Adjustable or Non Adjustable Lifters ?

I think Bruce mentioned that they had some with a thicker head on the tapet adjuster screw.
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Old 09-25-2014, 08:52 AM   #103
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Default Re: Adjustable or Non Adjustable Lifters ?

Yes, there are "tall" Johnsons. However, the difference is only the screw hex is taller, not the body of the lifter.
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Old 09-25-2014, 07:46 PM   #104
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Default Re: Adjustable or Non Adjustable Lifters ?

Quote:
Originally Posted by corvette8n View Post
Are the lifters Flathead Jack sells any good?, or do they all come from the same manufacture?
I've asked that question, also got no response. I have a set I'm going to try, they look very nicely made and test in the high 50s Rc in the hardness tester. I think Flatattack has them also, they might be made in Australia.
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Old 09-25-2014, 07:57 PM   #105
Dennis Jarrell
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Default Re: Adjustable or Non Adjustable Lifters ?

This motor is going to be pretty peppy so I just that because I had these solid adjustables, perhaps I should consider lightening them.
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Old 10-22-2014, 03:53 PM   #106
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Default Re: Adjustable or Non Adjustable Lifters ?

Quote:
Originally Posted by 1934calkid View Post
Here are some NOS original Johnson's that showed up on that auction site........any comments ?
I just bought a set of these. I have a friend that owns a machine shop & he has a Rockwell hardness tester. I would like to have them tested.
Question is, does the bottom of the lifter have to be tested, or can the side near the bottom get tested?
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Old 10-22-2014, 03:58 PM   #107
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Default Re: Adjustable or Non Adjustable Lifters ?

Quote:
Originally Posted by jrvariel48 View Post
I just bought a set of these. I have a friend that owns a machine shop & he has a Rockwell hardness tester. I would like to have them tested.
Question is, does the bottom of the lifter have to be tested, or can the side near the bottom get tested?
Bottom.
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Old 10-22-2014, 04:00 PM   #108
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Default Re: Adjustable or Non Adjustable Lifters ?

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Bottom.
Thank you, I'll post the results as soon as I know!
Joe
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Old 10-22-2014, 05:30 PM   #109
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Default Re: Adjustable or Non Adjustable Lifters ?

Now after you test the Bottom, make sure you remove the high spot with some 600 paper.
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Old 10-22-2014, 05:39 PM   #110
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Default Re: Adjustable or Non Adjustable Lifters ?

Ok will do! What kinda numbers should I be looking for?
Should I have the adjustment bolt tested also?
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Old 10-22-2014, 07:34 PM   #111
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Default Re: Adjustable or Non Adjustable Lifters ?

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Ok will do! What kinda numbers should I be looking for?
Should I have the adjustment bolt tested also?
The screw isn't too critical.
Bottom should Rockwell at least 55.
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Old 10-23-2014, 03:19 AM   #112
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Default Re: Adjustable or Non Adjustable Lifters ?

Ok still on topic, but re the Flatattack lifters, does mike Davidson still have the tooling for these , maybe some enterprising. Flat header could step up to the plate and make some quality lifters on the flat attack profiles.
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Old 10-23-2014, 09:56 AM   #113
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Default Re: Adjustable or Non Adjustable Lifters ?

Well I just came back from the machine shop & I have to say I'm very disappointed with the results.
1st one read 45.7
2nd 39.8
I stopped there.
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Old 10-23-2014, 10:16 AM   #114
Tim Ayers
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Default Re: Adjustable or Non Adjustable Lifters ?

So these NOS lifters that are being sold on Ebay are New Old Stock junk? I thought it seemed too good to be true.
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Old 10-23-2014, 12:11 PM   #115
Ol' Ron
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Default Re: Adjustable or Non Adjustable Lifters ?

Check an old johnson for a reference.
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Old 10-23-2014, 12:12 PM   #116
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Default Re: Adjustable or Non Adjustable Lifters ?

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Check an old johnson for a reference.
I do; several times a day. Sorry, couldn't resist.
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Old 10-23-2014, 01:44 PM   #117
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Default Re: Adjustable or Non Adjustable Lifters ?

Red's Headers are claiming "Rockwell Hardness of 55-58" on theirs:
Lifters - New Johnson Style Hollow Adjustable

$215.00

Like the Hollow Johnsons style we have known and loved...but BETTER! With a thicker head on the adjusting screw for easier wrenching. Lightweight (80g) for less wear.

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Old 10-23-2014, 02:30 PM   #118
jrvariel48
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Default Re: Adjustable or Non Adjustable Lifters ?

Quote:
Originally Posted by tubman View Post
I do; several times a day. Sorry, couldn't resist.
Hahahahahahahahahahahahahahahaha! Good one!!!!

Does anyone have one to check or know what the numbers should be before I go back to the ebay guy for a refund??
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Old 10-24-2014, 02:18 PM   #119
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Default Re: Adjustable or Non Adjustable Lifters ?

I was told that a good lifter should test at least 60Rc. Drake's claim 62
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Old 10-25-2014, 08:24 PM   #120
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Default Re: Adjustable or Non Adjustable Lifters ?

Silly question, How do they harden those lifters? Is it material or heat treating?

Red
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