Will this camshaft work without flycutting
Thread Starter
Teching In
Joined: Nov 2012
Posts: 34
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From: Wyandotte, MI
Will this camshaft work without flycutting 6.0 from a tbss with l92 heads, heads arent shaved, stock valves. just a ls7 head gasket
UltraDyne
Hyd. Roller
239/246 Duration @ .050 Lift
673/668 Lift
114 Lobe Sep
UltraDyne
Hyd. Roller
239/246 Duration @ .050 Lift
673/668 Lift
114 Lobe Sep
Thread Starter
Teching In
Joined: Nov 2012
Posts: 34
Likes: 0
From: Wyandotte, MI
Thread Starter
Teching In
Joined: Nov 2012
Posts: 34
Likes: 0
From: Wyandotte, MI
237/247-duration, .674/.674-inch lift, 115 LSA
Next up for testing, Comp Cams sent us the only custom grind unit in this test (we know, we said no custom grinds, but we had to try it!), a massive 237/247-duration, .674/.674-inch lift camshaft, which carries a 115-degree lobe separation angle. Being a custom, non-shelf unit, we were excited to see what this large cam was capable of, and after a couple of runs, the results were clear. With the engine up to operating temperature, we recorded 512.5 hp and 436.7 lb-ft of torque, gains of 94.5 hp and 14.7 lb-ft of torque over stock. The increased lift and duration of the Comp Cams custom grind laid on the power up top, recording over 500 hp from 6,300 to 7,000 rpm. Compared to the stock camshaft, which made 405.6 at 6,300, the 237/247 made 500.6, a truly impressive feat. Of course, with anything this impressive up top, low- and mid-range torque did drop, with average torque from 3,000 to 4,500 actually dropping 3.3 lb-ft off of the stock camshaft. Where we once had a small flat spot in torque, we now had a rather considerable dip from 3,700 to 4,400 rpm, although the 237/247 was able to best the stock cam as early as 4,600 rpm. Obviously, this isn't a camshaft for a daily driver or mild streetcar, but in the right combination, the 237/247 custom ground Comp cam would rock.
Read more: http://www.gmhightechperformance.com...#ixzz2HIvQOlUC
Next up for testing, Comp Cams sent us the only custom grind unit in this test (we know, we said no custom grinds, but we had to try it!), a massive 237/247-duration, .674/.674-inch lift camshaft, which carries a 115-degree lobe separation angle. Being a custom, non-shelf unit, we were excited to see what this large cam was capable of, and after a couple of runs, the results were clear. With the engine up to operating temperature, we recorded 512.5 hp and 436.7 lb-ft of torque, gains of 94.5 hp and 14.7 lb-ft of torque over stock. The increased lift and duration of the Comp Cams custom grind laid on the power up top, recording over 500 hp from 6,300 to 7,000 rpm. Compared to the stock camshaft, which made 405.6 at 6,300, the 237/247 made 500.6, a truly impressive feat. Of course, with anything this impressive up top, low- and mid-range torque did drop, with average torque from 3,000 to 4,500 actually dropping 3.3 lb-ft off of the stock camshaft. Where we once had a small flat spot in torque, we now had a rather considerable dip from 3,700 to 4,400 rpm, although the 237/247 was able to best the stock cam as early as 4,600 rpm. Obviously, this isn't a camshaft for a daily driver or mild streetcar, but in the right combination, the 237/247 custom ground Comp cam would rock.
Read more: http://www.gmhightechperformance.com...#ixzz2HIvQOlUC
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