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sixty9santa 01-20-2009 09:36 AM

Help with carb spacers
 
I have an Autolite 4100 carb and I'd like to know what spacer would be recommend to use with it?
Also, is there any advantage to using 2" over 1" and tapered bores versus non?
Much thanks,

Chris

techinspector1 01-20-2009 09:59 AM

Chris, I think you'll find that this is a purely experimental exercise that may or may not improve power.

JOE JOE 01-20-2009 10:13 AM

re:Help with carb spacer
 
i have ran a cheep 2" carb spacer on my sbc and it was rated to improve the fuel mileage and it did by close to 1-2 mpg power diffrence not all that noticeable. thought for about 20 bucks i had no complaints. i beleve that it provides a better air fuel mixture

this was not a tapered riser

hope i was some help to ya


joe joe

ScoTFrenzel 01-20-2009 06:00 PM

Quote:

Originally Posted by sixty9santa
I have an Autolite 4100 carb and I'd like to know what spacer would be recommend to use with it?
Also, is there any advantage to using 2" over 1" and tapered bores versus non?
Much thanks,

Chris

Every specific engine buildup/combination will like something different. There is no way of knowing.


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