Primary and lenght size in LS7 headers???
11-12-2007, 02:49 AM
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Primary and lenght size in LS7 headers??? What do you guys recomend for a "good combo" when looking for a header for LS7 with no cats . Just 3" dual pipes with X and flowmasters.
Corvette guys seems to like long tube headers. Is there any gain going on 2" primarys and 31" tube lenght ? or do i get same results with 1 7/8" pipes?
My motor will be close to stock or just with katech cam and springs( + tune offcourse )
Corvette guys seems to like long tube headers. Is there any gain going on 2" primarys and 31" tube lenght ? or do i get same results with 1 7/8" pipes?
My motor will be close to stock or just with katech cam and springs( + tune offcourse )
11-13-2007, 05:33 PM
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header design, and bore size Need some advice/reassurance on headers (manifolds).
The LS2 engine has an LS6 camshaft with standard ECU. Without a catalytic converter.
The exhaust system will be side exits (unfortunately, i have no space available for a tuning/balancing pipe linking both sides of exhaust system).
Believe that I want 1 3/4 inch pipes going into a 4-into-1 collector with a 2 1/2 inch outlet leading to my silencers (I already have the silencers, and want to use them).
Alternatively should I go for a 4-into-2-into-1 manifold. My thinking against this has been the amount of torque that the LS2 engine already produces, for my light RWD drive (car will weigh 700kg - about 1,500LB)
The purpose of car will be biased towards road going. While it will be used on hillclimbs, sprints, trackdays and Nurburgring, it must equally be useable for trips to shops etc.
Thanks
Kevin
The LS2 engine has an LS6 camshaft with standard ECU. Without a catalytic converter.
The exhaust system will be side exits (unfortunately, i have no space available for a tuning/balancing pipe linking both sides of exhaust system).
Believe that I want 1 3/4 inch pipes going into a 4-into-1 collector with a 2 1/2 inch outlet leading to my silencers (I already have the silencers, and want to use them).
Alternatively should I go for a 4-into-2-into-1 manifold. My thinking against this has been the amount of torque that the LS2 engine already produces, for my light RWD drive (car will weigh 700kg - about 1,500LB)
The purpose of car will be biased towards road going. While it will be used on hillclimbs, sprints, trackdays and Nurburgring, it must equally be useable for trips to shops etc.
Thanks
Kevin
