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Old 11-21-2010, 11:15 PM   #1
THE "10" SILVERADO
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HEI Conversion?

My dad recently upgraded his 67 Chevelle to HEI and so far has said it was far better than his old system and that made me start to wonder about upgrading mine to that. If I were to update my stock system what all would I have to change? I know my coils, and distributor but what else? And also where would this ignition box come into play? (http://www.msdignition.com/Products/..._Ignition.aspx) I picked this box because I'm not going to be hot roding my truck and it's going to be a daily driver....Sorry...this thread might seem kinda pointless but I just haven't messed with this stuff very much. Also if you have any pictures showing end results or during the process I would appreciate those to.

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Old 11-21-2010, 11:20 PM   #2
f.monroe
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Re: HEI Conversion?

Your 77 should already be running the HEI which is about as good as it gets for a stock to mild engine.
Frank
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Old 11-21-2010, 11:24 PM   #3
THE "10" SILVERADO
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Re: HEI Conversion?

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Originally Posted by f.monroe View Post
Your 77 should already be running the HEI which is about as good as it gets for a stock to mild engine.
Frank
See just about how much I know? Well if I did upgrade to a full MSD ignition would that really do all that much?
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Old 11-22-2010, 12:52 AM   #4
TheWhiteElephant
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Re: HEI Conversion?

As far as I'm concerned, that box is useless for your application. It gives you specific control of your spark, but if your engine is all stock/original, I'd skip it and spend the money elsewhere. The HEI ignition by itself is one of the best designs out there.
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Old 11-22-2010, 12:57 AM   #5
THE "10" SILVERADO
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Re: HEI Conversion?

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Originally Posted by TheWhiteElephant View Post
As far as I'm concerned, that box is useless for your application. It gives you specific control of your spark, but if your engine is all stock/original, I'd skip it and spend the money elsewhere. The HEI ignition by itself is one of the best designs out there.
The only thing I was thinking of was because my truck is going to be a daily driver that it might help me get a few extra MPGs that might help me in the long run over time saving a few $$
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