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 Post subject: Jet size
PostPosted: Thu Mar 23, 2017 2:08 pm 
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TBI Slant 6
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Joined: Mon Aug 03, 2015 2:39 pm
Posts: 221
Location: Dallas Texas
Car Model:
I'm rebuilding my carb on my '84 W100. It has a Holley 1945 carb that is not original. It is a reman by Holley. It has a #663 jet in it. Does that seem too rich? I'm below 1000ft and my engine is stock. The reason I'm rebuilding the carb is that it didn't run good between 1800-3000 rpm. Any help will be appreciated.

_________________
1976 Feather Duster /6 4sp
1984 W100 318 727 np241
1972 'Cuda 340 4sp
1985 D250 360 46RH


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 Post subject: Sort of...
PostPosted: Thu Mar 23, 2017 5:14 pm 
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Joined: Tue Oct 29, 2002 8:27 pm
Posts: 9714
Location: Salem, OR
Car Model:
Normally on the cars we see them at #58 in 1974 (too lean), about #61 in the later models.... I have a couple of late 70's truck 1945's and they are jetted as #63's.


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 Post subject:
PostPosted: Thu Mar 23, 2017 5:53 pm 
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TBI Slant 6
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Joined: Mon Aug 03, 2015 2:39 pm
Posts: 221
Location: Dallas Texas
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I found a thread where Aggressive Ted posted that #62 was about right but no more than #63. I had a #63 so I put it in and it runs better. It still needs some adjustments and need to work on the distributor curve but it's getting better.

_________________
1976 Feather Duster /6 4sp
1984 W100 318 727 np241
1972 'Cuda 340 4sp
1985 D250 360 46RH


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