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Old 01-24-2012, 03:17 AM
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Join Date: May 2006
Location: Portland, OR
Cobra Make, Engine: ERA FIA, 1964 289->Webers
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Quote:
Originally Posted by LightNFast View Post
It’s a rough casting but here you go for what it’s worth:

Blue Thunder “Cobra” 289 IDA.

Micrometer reads:
Dia. = 1.27 without bead
Inside distance (between tubes) = 3.89
On center = 5.16

So this coincides with *13* … 1-1/4" dia. and 5".

Good luck.
For once, my memory serves me pretty well...
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