Headers
Le Mans Master
Joined: Dec 2005
Posts: 6,999
Likes: 1,685
From: Southeast TX
Le Mans Master
Joined: Dec 2005
Posts: 6,999
Likes: 1,685
From: Southeast TX
I've had the pleasure of owning three C6's. All with long tube headers. None had anything special done to any kind of heat shielding. Maybe I was just lucky. Probably over 100K miles worth of luck. Two were in the 650 rwhp range. Current one is at 500 rwhp.
Last edited by old motorhead; Mar 10, 2024 at 05:43 PM.
Burning Brakes
Joined: Nov 2014
Posts: 971
Likes: 235
From: Whitesburg Kentucky
stock MSD intake and ARH 1 7/8 headers vs
ported MSD intake and ARH 2” headers on a 450 cid
if I was buying headers for a Ls 3 and was looking for performance I would buy 1 7/8”
that my opinion
there plenty data out about headers on Ls 3 ,its your money I could have saved a lot of money .
if I would’ve bought right the first time
i would say the 2” headers =10hp
Former Vendor
Joined: Aug 2011
Posts: 1,307
Likes: 115
From: Tampa Fl
St. Jude Donor '12
Corvette Tuner in Tampa
Phil
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Melting Slicks
Joined: Oct 2022
Posts: 3,340
Likes: 1,934
From: Ulta Vista, AZ
let me humor you with this dyno sheet
stock MSD intake and ARH 1 7/8 headers vs
ported MSD intake and ARH 2” headers on a 450 cid
if I was buying headers for a Ls 3 and was looking for performance I would buy 1 7/8”
that my opinion
there plenty data out about headers on Ls 3 ,its your money I could have saved a lot of money
if I would’ve bought right the first time
i would say the 2” headers =10hp
stock MSD intake and ARH 1 7/8 headers vs
ported MSD intake and ARH 2” headers on a 450 cid
if I was buying headers for a Ls 3 and was looking for performance I would buy 1 7/8”
that my opinion
there plenty data out about headers on Ls 3 ,its your money I could have saved a lot of money
if I would’ve bought right the first time
i would say the 2” headers =10hp
you woulda saved me money? What would the smaller headers have done with the extra 1000rpms the bigger ones had?
You ported and Intake, upgraded headers and ran it out another 1k rpms. Of course it made more power up top
