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09-21-2020, 05:00 PM | #21 |
Member Emeritus
Join Date: Nov 2012
Location: Wichita KS
Posts: 16,132
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Re: Valve seats. How to remove?
In general these vehicles don't get driven enough for it to be an issue. Also the valve spring pressure is relatively low. So, no, a lead additive is not normally used.
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09-21-2020, 06:11 PM | #22 |
Senior Member
Join Date: May 2010
Location: Qld, Australia
Posts: 4,196
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Re: Valve seats. How to remove?
I would not think you would need any even if you drive a lot, our 33 often does long trips, last one out to the middle of Australia towing our c/van, 6 days at 50-55 mph in hot( 35C) dry conditions, just on straight 91 unleaded fuel, no drama
Lawrie |
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09-22-2020, 03:45 PM | #23 |
Senior Member
Join Date: Sep 2020
Location: Mount Desert, Maine
Posts: 504
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Re: Valve seats. How to remove?
Perfect, thank you !
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09-24-2020, 02:29 PM | #24 |
Senior Member
Join Date: May 2010
Location: Mill Valley,Ca.
Posts: 1,509
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Re: Valve seats. How to remove?
I pulled all 16 seats out of a 59AB by putting washers in and arc welding to the seat.
The washers also give a bit of shield to the block. I had K.O. Lee- a company that makes valve seats- make me a set of 16 oversize seats. Do this before boring the block. Karl |
09-24-2020, 03:31 PM | #25 |
Senior Member
Join Date: May 2010
Location: Chester Vt
Posts: 8,842
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Re: Valve seats. How to remove?
Using My mig welder, It just takes 1/2 inch along the inside perimeter, and they practically fall put with just a tap of myu toy hammer/
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