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Old 07-19-2017, 01:14 PM   #9
Marv D
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Join Date: May 2008
Location: hells training ground (aka Ariz)
Posts: 3,118
Re: Distributor length

Quote:
Originally Posted by RodnRudy View Post
Are all OEM GM SB distributors the same length?
Key words "OEM" and "SB"

Correct answer,,, YES

Be it points or HEI, the length from the flange that sits on the intake, to the tip of the oil pump drive is the same for OEM stock distributors.

As mentioned there was some oiling differences in the 265 block with no oil filter, but the distributor length was the same.

The rub comes in (aside from those mentioned tall deck motors) with aftermarket SBC intakes and odd oil pump set-up's, + massive decking and milling changes the height of the intake above the oil pump. A distributor with an adjustable collar is the simple fix.
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