Carb Spacers

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Carb Spacers Empty Carb Spacers

Post  geno on June 14th 2013, 10:54 pm

Could someone please explain in layman terms the ins and outs of carburator spacers.  How do you determine if one is needed and if so, what size.  Thanks in advance.


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Post  dfree383 on June 15th 2013, 1:15 am

whats your application?
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Post  rmcomprandy on June 15th 2013, 10:18 am

They have tendencies however, the results are NOT carved in stone.
The only way to really know is to try several with your combination to find which one works the best for you ... otherwise it is simply an educated guess.

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Post  richter69 on June 15th 2013, 11:19 am

anytime we dyno an engine we try various spacers, also apply this to on track testing.

I have a shelf full of all types of spacers as a result lol
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Post  geno on June 16th 2013, 11:06 am

I have a 532 in a '71 Pinto with a 456 chunk and a C4.  I have a glide now but wanted to add a spacer to help the top end out with the trans change.  I have a 2" and a 1" so to the track for some testing.  I have also thought about adding nitrous.  Does that work with a spacer or would the plate act as a spacer.


THANKS,
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Post  richter69 on June 16th 2013, 11:14 am

the 1" supersucker or powercone spacers seem to work good most of the time. Again your just gonna have to do some testing. most nos plates are 1/2" thick but some are 1"....... again testing will tell the tale.
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Post  geno on June 16th 2013, 6:28 pm

Thanks to all. I will start my testing with the NX plate (twin 6) and the smallest spacer and work up from there..   Thanks all.   Geno
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Post  Dave C. on June 16th 2013, 7:09 pm

;)The heat isolation is worth having one regardless of h.p. gains.
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Post  austin460 on June 17th 2013, 6:16 pm

Have you read this, might help.

http://www.429-460.com/t11379-carb-spacer-airflow-test

I realise it will be different on different applications but should give you a ball park.
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Post  342g on June 17th 2013, 8:45 pm

There is a sticky somewhere for spacers.
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Post  geno on June 17th 2013, 10:33 pm

I will try both the Wilson and the Jomar both with and without a nitrous plate.
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Post  cool40 on June 17th 2013, 10:40 pm

turn that NX plate on and you'll forget about a spacer!Laughing
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Post  geno on June 18th 2013, 5:00 pm

I like the sound of that!!!!
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