Performance Questions!?!
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Joined: Feb 2018
Posts: 131
Likes: 7
From: Walnut Creek CA
Performance Questions!?!
Hey everyone, I have a base C6 corvette ls2 block. So far I have dome longtube headers with a cat-less mid pipe, Cold air intake and a dyne tune. Im experiencing a loss in low end torque which I don't like. Is this related to back pressure from having no cats at all? Or what could be a reason for this. The headers I'm running are 1 7/8 to 2.5" axle back again no cats. I also have a Vitesse throttle controller could this have anything to do with it?
Furthermore looking into the next perforce upgrades for my car, how much benefit would I receive from a intake manifold such as an MSD ported manifold and a re-tune. Im shying away from a cam as of now because of reliability. What other performance upgrades would benefit the ls2. Thanks guys!!!!
Furthermore looking into the next perforce upgrades for my car, how much benefit would I receive from a intake manifold such as an MSD ported manifold and a re-tune. Im shying away from a cam as of now because of reliability. What other performance upgrades would benefit the ls2. Thanks guys!!!!
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Joined: Nov 2007
Posts: 4,537
Likes: 1,403
From: Bethesda MD
Hey everyone, I have a base C6 corvette ls2 block. So far I have dome longtube headers with a cat-less mid pipe, Cold air intake and a dyne tune. Im experiencing a loss in low end torque which I don't like. Is this related to back pressure from having no cats at all? Or what could be a reason for this.
) When I tuned the low end I spent a fair amount of time driving around at part throttle and below 3,000 rpms to log data to get my fuel trims and spark optimized for change in air flow caused by the mods. A ported FAST intake and a re-tune would be excellent next steps. The FAST intake will provide solid midrange and top end gains over the stock LS2 intake manifold.
