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Old 03-20-2018, 09:06 PM   #1
jocww
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ls1 header size

Sanderson gave me another pair of headers to try as I wanted to see if the 1 5/8ths would fit. They seem to fit well. So with that being said I have a stock ls1 with an auto. I just want to get it running, maybe some day in a few years I will put in some bolt ons s/c or something of that nature but for now mostly stock. should i go 1 1/2in primaries or 1 5/8th in ?
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Old 03-21-2018, 01:17 AM   #2
iowaboynca
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Re: ls1 header size

if you don't get any answers here you may want to ask over in the LS engine swap area on the forum
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