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Old 04-03-2020, 01:01 PM   #1
Steve Plucker
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Default Adjustable Tappets

I would like to know just how many types/brands there are for adjustable tappets for the Model A/AA Ford engine AND of the few...which one is the best.

I ask this because of an exerience I had.

Back in 1984 when I moved to Bakersfield, CA I re-restored my Coupe for a second time. I took my engine to LA to have it redone and the adjustable tappets they put in, in my opinion were great as they had a nice hex nut for which one could adjust.

Fast forward to 1995 I had it looked over again and unknown to me until later I find out that all those "good" adjustable tappets were traded out for ones with a very thin hex head and not as easy to adjust.

So, are there good ones and bad ones?

Thanks.

Pluck
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Old 04-03-2020, 01:38 PM   #2
chrs1961815
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Default Re: Adjustable Tappets

The ones I am playing with right now are Colony brand - I do believe AER uses them in their engines. They do have a smaller nut that sounds like yours almost. I suppose it is better than the non adjustable type.
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Old 04-03-2020, 02:46 PM   #3
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Default Re: Adjustable Tappets

I used mopar ones around 50.s these are single lock, larger foot which is good for a big cam , larger in the bore size too, found some stocker plus some 4 thou oversize , my down fall at Bonneville , one nipped up & we was on 3 pots, Found them on flea bay ,Derek in a locked down autumn day NZ
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Old 04-03-2020, 06:32 PM   #4
SteveB31
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Default Re: Adjustable Tappets

The Colony ones are good. I have used them in over 300 engines. I tried the Chinese ones sold by some vendors- they suck.
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Old 04-03-2020, 06:37 PM   #5
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Default Re: Adjustable Tappets

Quote:
Originally Posted by SteveB31 View Post
The Colony ones are good. I have used them in over 300 engines. I tried the Chinese ones sold by some vendors- they suck.
Agree!
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Old 04-04-2020, 04:07 AM   #6
Bruce of MN
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Default Re: Adjustable Tappets

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Quote:
Originally Posted by SteveB31 View Post
The Colony ones are good. I have used them in over 300 engines. I tried the Chinese ones sold by some vendors- they suck.
Can you buy them new now? Who sells them?

Thanks
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Old 04-04-2020, 06:46 AM   #7
Dave in MN
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Default Re: Adjustable Tappets

Snyders has them.
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Old 04-04-2020, 08:16 AM   #8
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Default Re: Adjustable Tappets

I would bet Bert's has them as well.
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Old 04-04-2020, 10:36 AM   #9
Mikeinnj
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Default Re: Adjustable Tappets

"one nipped up & we was on 3 pots"......what does that mean ?????

Explain "Nipped" and "Pots" ???
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Old 04-04-2020, 10:38 AM   #10
chrs1961815
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Default Re: Adjustable Tappets

Pots are pistons?
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Old 04-04-2020, 10:58 AM   #11
katy
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Default Re: Adjustable Tappets

Pots = cylinders, aka jugs
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Old 04-05-2020, 11:52 AM   #12
Jim Brierley
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Default Re: Adjustable Tappets

"nipped up" is Kiwi for a lot of things that go wrong. I'm not sure what happened to Derek's engine but it affected 1 cylinder, so he ran it on 3 cylinders.
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Old 04-05-2020, 11:56 AM   #13
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Default Re: Adjustable Tappets

On an engine I used to have, the steering control rod to distributor was bent and it would occassionally rub on the spark plug, causing it to short out.
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Old 04-05-2020, 12:44 PM   #14
Purdy Swoft
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Default Re: Adjustable Tappets

I use the double lock style Colony lifters in a couple of my engines . The Colony lifters are good and hold their setting but are more difficult to use . I have good luck with the easier to use self locking type lifters and much prefer them . In other words ,you almost need three arms and three wrenches when adjusting any double lock style lifter .

Last edited by Purdy Swoft; 04-05-2020 at 03:02 PM.
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