Author Topic: White power piston retainers, o.d. To big?  (Read 947 times)

Offline Mr.Pontiac

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White power piston retainers, o.d. To big?
« on: August 24, 2022, 06:58:36 AM »
7029263 power piston bore, I have 4 from previous kits, all to bid o.d. Will not fit. Anybody else going thru this? Please look into this.

Offline Cliff Ruggles

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Re: White power piston retainers, o.d. To big?
« Reply #1 on: August 24, 2022, 07:45:02 AM »
They are "interference" fit so go in with some effort.  Never had any issues getting them in. 

Take a pocket knife and chamfer the lower edge a little more.  On the ones I sell I've already removed the sharp edge and chamfered them a bit, but sometimes they need a little more help.....

Offline Mr.Pontiac

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Re: White power piston retainers, o.d. To big?
« Reply #2 on: August 24, 2022, 09:39:47 AM »
I am micing bore at .380 plastic bushings .392, going to be a real tight fit

Offline quadrajam

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Re: White power piston retainers, o.d. To big?
« Reply #3 on: August 24, 2022, 05:54:50 PM »
Out of curiosity I went out to the shop and installed one of
Cliffs PP retainers in a 17084226 casting that was laying around.
As usual it's tight but it fits.
There is a step at the top of the bore where the retainer fits
that is 0.392 inch. Check that the stepped area is not occupied
with part of the old retainer.  ...????