This is topic how do you tell a reular 302 with a high performance one in forum Tech Talk at Northern California Ford Owners .
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Posted by STANGBOY (Member # 7868) on
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how do i tell the difrence between a high performance 302 and a regular 302 whats the difrence please help me out before i do something stupid thanks
Posted by warhorse58gt (Member # 7702) on
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you can tell by the fireing order.the non ho has a old 302 fireing order, while the ho has the 351w fireing order.
non h.o. 1-5-4-2-6-3-7-8....
h.o. 1-3-7-2-6-5-4-8.
hope that helped.
Posted by STANGBOY (Member # 7868) on
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thanks for that info
Posted by two-gun kid (Member # 5325) on
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[ December 29, 2007, 09:39 PM: Message edited by: two-gun kid ]
Posted by turbo50 (Member # 6700) on
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Also the 86 motors came with different heads and pistons. There are tons of people that run 86 shortblocks with aftermarket heads, but I know that the stock 86 heads are less than favorable as compared to standard E7s due to chamber design.
You can tell these heads apart without taking them off of the motor because they use a different spark plug than standard E7s.
[ December 30, 2007, 02:21 PM: Message edited by: turbo50 ]
Posted by warhorse58gt (Member # 7702) on
:
quote:
Originally posted by turbo50:
Also the 86 motors came with different heads and pistons. There are tons of people that run 86 shortblocks with aftermarket heads, but I know that the stock 86 heads are less than favorable as compared to standard E7s due to chamber design.
You can tell these heads apart without taking them off of the motor because they use a different spark plug than standard E7s.
in 86 they ran a true flat top piston. 86 heads are the worst.
Posted by turbo50 (Member # 6700) on
:
quote:
Originally posted by warhorse58gt:
quote:
Originally posted by turbo50:
Also the 86 motors came with different heads and pistons. There are tons of people that run 86 shortblocks with aftermarket heads, but I know that the stock 86 heads are less than favorable as compared to standard E7s due to chamber design.
You can tell these heads apart without taking them off of the motor because they use a different spark plug than standard E7s.
in 86 they ran a true flat top piston. 86 heads are the worst.
There were no valve reliefs in them. It has been 12 years since I have had one apart (86 motor). I do have one sitting on an engine stand with 68K original miles on it. bought it off of a guy that swapped in a 1990 motor into his 86 and then it was side swiped sold he sold the original motor that he had been storing in case the car was every worthy of something like barret jackson etc.
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