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#1
10-29-2004, 04:12 PM
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301 HEI in a 455?
Can I use a HEI dist. from a 301 (about 1980) in my 1973 Pontiac 455.
Best regards from North Norway Per Arne Sund http://spirit-of-america.biz/ 
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#2
10-29-2004, 07:47 PM
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Re: 301 HEI in a 455?
The shaft may be too short for the big block. Also the distributer curve may not be adequate for the big block either. Your best bet would be to find one from a 455 to insure that everything fits and works correctly. Regards from Pennsylvania, USA!
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#3
10-30-2004, 04:32 AM
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Hi
Thank you for your answer. This board is fantastic when it comes to things that you are wondering about. Best Regards Per Arne A picture of the sun set in the summer nigths up here in North Norway.In the summer we have light 24/7 .its never getting dark.I suppose its the same in Alaska. The first picture is taken 03.00 at night. More pics. here. http://spirit-of-america.biz/hjemmeside_us.htm  
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#4
11-04-2004, 02:17 PM
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Re: 301 HEI in a 455?
The answer provided is incorrect. The distributor housings and shafts are the same. The deck height of the 301 is much lower than the others, but the distributor mounting is the same.
What you need to look for, is the vacuum advance. If the distributor has no vacuum can on it, it's for an '81, which was the first (and ONLY Pontiac V8) year GM cars used a computer to set the timing. If it has the vacuum advance, you just need to install lighter springs on the advance weights, to quicken up the timing curve.
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