Thread: Question on head gasket and oil additive
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Old 01-22-2009, 08:03 PM   #16
okieracer
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Default Re: Question on head gasket and oil additive
Quote:
Originally Posted by Nova4301 View Post
I was hoping someone could tell me what the bore size is on a GM part# 3995633...it is for a 283/307 engine. If I had to guess it would maybe be 4.100. And, I was curious on what the equivalent Fel-Pro gasket might be (maybe a 7733SH1).

One other question too...what is a good oil additive to run on a low volume oil pump setup. I haven't quite completed my engine yet, but I want to get a good guess on what weight oil and potential oil additive to run.

thanks,
I have head gaskets you are looking for if you are interested. email theshop@texomaonline.com
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