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73-87chevytrucks.com
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73-87 Chevy _ GMC Trucks
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hei or external ignition
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Author
Topic: hei or external ignition (Read 2009 times)
hotrod87
Newbie
Posts: 9
87 chevy 383 stroker
hei or external ignition
«
on:
May 31, 2009, 12:22:47 PM »
My engine starts to miss fire on high rpms. I was told I could get a hotter hei distributer to stop this, or would this be a good oppetunity to change to an external ignition? Is it hard to change from hei to external?
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VileZambonie
Global Moderator
Senior Member
Posts: 19022
Re: hei or external ignition
«
Reply #1 on:
May 31, 2009, 01:29:33 PM »
It's not hard to retrofit an MSD or the like. It's definitely the most overlooked upgrade you can do. You probably just need a tune up though.
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, ___
/ _ _ _\_
⌠ŻŻŻŻŻ' [☼===☼]
`()_);-;()_)--o--)_)
74 GMC
,
75 K5
,
84 GMC
,
85 K20
,
86 k20
,
79 K10
hotrod87
Newbie
Posts: 9
87 chevy 383 stroker
Re: hei or external ignition
«
Reply #2 on:
June 01, 2009, 11:21:31 PM »
r u saying that an hei to external ignition is overlooked...i was thinking of changing to external. Do you recommend any kit or ect
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VileZambonie
Global Moderator
Senior Member
Posts: 19022
Re: hei or external ignition
«
Reply #3 on:
June 02, 2009, 04:11:41 PM »
MSD is good or a lot of people are buying these and I haven't heard any horror stories yet
http://store.summitracing.com/partdetail.asp?autofilter=1&part=SUM%2DCSUM2700&N=700+4294763302+4294925054+4294908216+4294840140+4294763301+4294872902+115&autoview=sku
Logged
, ___
/ _ _ _\_
⌠ŻŻŻŻŻ' [☼===☼]
`()_);-;()_)--o--)_)
74 GMC
,
75 K5
,
84 GMC
,
85 K20
,
86 k20
,
79 K10
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hei or external ignition