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Oliver, Cletrac, Co-op & Cockshutt Tractors Discussion Forum

66 exhaust manifold question

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deenw

01-08-2005 16:15:05

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am putting together a 66 to pull..using 3 3/4 pistons 550 head and intake manifold..problem is the 66 exhaust manifold is smaller than i would like to use..but the 550 manifold exits on the end..is there another manifold with larger ports that i could use?... thanks in advance

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Oliver66

01-08-2005 18:18:04

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Re: 66 exhaust manifold question in reply to deenw, 01-08-2005 16:15:05

Why not use a Super 66 or 660 exhaust manifold.

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deenw

01-09-2005 09:33:47

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Re: 66 exhaust manifold question in reply to Oliver66, 01-08-2005 18:18:04

havent found a super 66 manifold for sale and i dont think it has as big of ports as the 550..thanks for the help

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cshaffer

01-11-2005 06:20:18

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Re: 66 exhaust manifold question in reply to deenw, 01-09-2005 09:33:47

I have a 550 exhaust manifold and you will also need a bigger carb. Email me I build Olivers for pulling. Or you can call me at 585-335-9274 Charlie

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J. Schwiebert

01-08-2005 19:30:29

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Re: 66 exhaust manifold question in reply to Oliver66, 01-08-2005 18:18:04

A 550 and 669 manifold are the same thing. The 660 uses the cast adapter to make it a vertical outlet.

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deenw

01-09-2005 09:39:44

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Re: 66 exhaust manifold question in reply to J. Schwiebert, 01-08-2005 19:30:29

thanks for the help on clearing up the 550 and 660 manifold question..i have asked many people about that and they didnt know..we owned a 660 at one time but i didnt pay any attention to the manifold set up..at that time the people we bought it from were winning a large percentage of farm tractor pulls with it in stock form..but after to many wins they changed the rules to limit the years of tractors allowed so it was to late a model..wish we had it back now as the rules have changed in the farm pulls once again.

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