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Old 02-22-2015, 02:47 PM   #55
mechanicalman
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Join Date: Jun 2014
Location: Glendale, Arizna
Posts: 1,642
Re: HELP! Install Gen 3 Firebird TPI W/computer into 71???

Quote:
Originally Posted by classicchev View Post
Stock SLP runners. Did not do any mods to them
Are they "Siamese" (runners casted together) and did you modify the PLENUM between the ports in order to utilize the open area of the "Siamese" style runners, if you have them.
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