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Author Topic: early SMAB chevy carb with apt in the base plate  (Read 1761 times)

Offline pat469

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early SMAB chevy carb with apt in the base plate
« on: March 18, 2014, 05:45:26 PM »
Hi all, Im new to your website.I have THE BOOK but Cliff dont give us jetting for a EARLY SMAB.I do one for a 350 chevy 12:1 comp ratio 255 at .050 solid cam.Big number ,i know.I have 40b rod and drilled the SMAB to .085.Should i go with .070 or .078 jet??or between??

Thanks to all,greatwebsite.

By the way I ran a 1970 lemans sport 455 th 400 3.55 to 11.80 4040 pound with gas pump!
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Offline pat469

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Re: early SMAB chevy carb with apt in the base plate
« Reply #1 on: March 19, 2014, 07:31:37 PM »
Carb number is 17058213,anyone as Idea for base jetting?
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Offline Ethan1

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Re: early SMAB chevy carb with apt in the base plate
« Reply #2 on: March 19, 2014, 07:42:54 PM »
Quote from: pat469 on March 19, 2014, 07:31:37 PM
Carb number is 17058213,anyone as Idea for base jetting?

 Welcome to CHP!

 Stock primary jets for that carb were .063". Do you need metering rod specs as well?
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Ethan

1972 Chevelle

(oo______oo)

Offline pat469

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Re: early SMAB chevy carb with apt in the base plate
« Reply #3 on: March 19, 2014, 08:26:13 PM »
I look for custom jetting it for chevy 350 12:1 comp ratio and 250 at .050 solid cam.
I have .040b rod and SMAD is drilled .085

Thanks a lot

Pat
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