250 points to hei question - The 1947 - Present Chevrolet & GMC Truck Message Board Network

vasquezmrysvll · 04-05-2009, 10:29 PM

engine seems to run a little rough now? can i use the same plugs,and is the gap different between points and hei? also what is the base timing supposed to be?thanks

SCOTI · 04-05-2009, 10:41 PM

Quote:

Originally Posted by vasquezmrysvll

engine seems to run a little rough now? can i use the same plugs,and is the gap different between points and hei? also what is the base timing supposed to be?thanks

I used the original base timing & plugs (set @ .035 gap).

vasquezmrysvll · 04-05-2009, 10:42 PM

whats the stock specs for timing?

low'n slow · 04-05-2009, 11:23 PM

Gap them to .045 or .050 and you'll have better luck. I think the timing is 6 or 8 degrees BTDC.

vasquezmrysvll · 04-05-2009, 11:26 PM

"low'n slow" is the decal i just had made for my 67. thanks for the info

04-05-2009, 10:29 PM	#1
vasquezmrysvll "the other guy" Join Date: Oct 2008 Location: Olivehurst California 95961 Posts: 901	250 points to hei question engine seems to run a little rough now? can i use the same plugs,and is the gap different between points and hei? also what is the base timing supposed to be?thanks __________________ God Said,"Building A 10 Second Import Is Like Coming Out Of The Closet, In The End Ur Still....."EXPLETIVE"

04-05-2009, 10:42 PM	#3
vasquezmrysvll "the other guy" Join Date: Oct 2008 Location: Olivehurst California 95961 Posts: 901	Re: 250 points to hei question whats the stock specs for timing? __________________ God Said,"Building A 10 Second Import Is Like Coming Out Of The Closet, In The End Ur Still....."EXPLETIVE"

04-05-2009, 11:23 PM	#4
low'n slow Too Dumb To Know Better Join Date: Nov 2005 Location: Texas Posts: 882	Re: 250 points to hei question Gap them to .045 or .050 and you'll have better luck. I think the timing is 6 or 8 degrees BTDC.

04-05-2009, 11:26 PM	#5
vasquezmrysvll "the other guy" Join Date: Oct 2008 Location: Olivehurst California 95961 Posts: 901	Re: 250 points to hei question "low'n slow" is the decal i just had made for my 67. thanks for the info __________________ God Said,"Building A 10 Second Import Is Like Coming Out Of The Closet, In The End Ur Still....."EXPLETIVE"



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