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 Water pump bolt kit
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Tomy2tone
Tribal Scout

USA
24 Posts

Posted - 04 May 2016 :  9:51:52 PM  Show Profile  Reply with Quote
Im upgrading my 1965 Lemans from its old and tired 326 to a freshly rebuilt 428 block with the 11 bolt water pump, the 326 had the 8 bolt pump, Im getting a new pump and bolt kit, I need a diagram if possible on where the variations of bolts, nuts, and washer go in the 11 bolt configuration. Any help out there?

Blued and Painted
Chief PONTIAC

USA
3405 Posts

Posted - 06 May 2016 :  9:27:22 PM  Show Profile  Reply with Quote
May be i miss read the question.
You are using the matching 11 bolt timing chain cover?


Bull Nose Formula/ 461/ Q-Jet/
TH400/ 3.08 8.5 / R44TS.
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Tomy2tone
Tribal Scout

USA
24 Posts

Posted - 07 May 2016 :  10:40:30 PM  Show Profile  Reply with Quote
Sorry for the confusing way I asked this, yes, I have the 428 engine swap happening now, As I started in I thought I could just switch water pumps over from the 1965 326 engine to the 1967 428 engine, but the water pumps are different, the 1965 326 was an 8 bolt pump and the 1967 428 is an 11 bolt pump and I ordered new pump, plate, and bolt kit, the bolt kit has studs, bolts nuts and one washer, not sure where to use these different fasteners in that 11 bolt pattern. like what holes get a bolt and what holes get a stud with a nut. Looking for some help with that, also on the gaskets for the pump any sealant recommended on the gaskets? or no sealant. like silicone? when mounting the pump?
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Blued and Painted
Chief PONTIAC

USA
3405 Posts

Posted - 08 May 2016 :  10:18:25 AM  Show Profile  Reply with Quote






Mock up assembly.
Assemble the pump with no glue or gaskets.
As bolts are just starting, the amount of exposed bolt threads should be about the same. Ruffly 1/2 inch.
Of the short 5/16th bolts, one should be slightly longer for the alternator adjusting bracket.
You may want to also mock up the alternator and brackets.
The only studs i know of are the longer 3/8th studs ,coarse thread on one end and fine thread on the other. They would go just under the waterpump for the timing cover


Bull Nose Formula/ 461/ Q-Jet/
TH400/ 3.08 8.5 / R44TS.

Edited by - Blued and Painted on 08 May 2016 10:30:10 AM
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Tomy2tone
Tribal Scout

USA
24 Posts

Posted - 14 May 2016 :  09:39:54 AM  Show Profile  Reply with Quote
https://www.facebook.com/photo.php?fbid=2039235919634384&set=pcb.2039242276300415&type=3&theater

Thanks for all your help Blued and Painted
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cortcomp
Coyote

USA
5335 Posts

Posted - 14 May 2016 :  11:24:21 AM  Show Profile  Visit cortcomp's Homepage  Reply with Quote
Looking sharp!
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Phil
The Great White Buffalo

USA
7215 Posts

Posted - 14 May 2016 :  5:28:36 PM  Show Profile  Reply with Quote
B&P, that's a beaut!

Bowties are for Pee-wee Herman. "Chevy": even the name sounds cheap, but not as cheap as your Pontiac will be with an LS transplant.
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