Camshafts
05-28-2009, 10:34 AM
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Camshafts Ok... I love the sound of old school muscle, and I am saving to do H/C work up along with some other goodies (bolt on's things of that nature) I have been shown a few different cams by people but I just discovered the Comp Cams Thumpr line and I really think I wanna go with one, all of the cams listed below I found on Thunder Racing.com which is an amazing site but which one will offer me the performance I am looking for with some amazing sound?? Only cause I am still tryin to learn about lift duration, LSA and inlet/oulet specs still 
sucks bein a newb...
Thunder Racing TRak cam:
Thunder Racing Custom Camshaft
"TRak" - 231/234 .640/.590 112 LSA 2400-6800 RPM Power Band. Excellent mid-range & high RPM power. 3200+ stall, 3.42+ gear, computer tuning required. Due to the fast ramp rate of this camshaft, the use of 1.8 rockers is not recommended. Comp 921 Valve Springs are highly recommended.
Comp Cams Big ***** Thumpr:
Comp Cams BIG *****' THUMPR Hydraulic Roller Cam 235/249 .573/.558 109 LSA, Street/strip, needs 9.5:1 CR , 2800 stall, intake, gears, & headers, very rough idle. RPM range from 2600 to 6800.
Or do I go with something a little less aggressive in the Thumpr line and do this one?
Comp Cams ***** Thumpr:
Comp Cams *****' THUMPR Hydraulic Roller Cam 227/241 .563/.546 109 LSA, High performance street/strip, needs 9:1 CR, 2500 stall, intake, gears, and headers, rough idle. RPM range from 2300 to 6600.
Tell me what y'all think
sucks bein a newb...Thunder Racing TRak cam:
Thunder Racing Custom Camshaft
"TRak" - 231/234 .640/.590 112 LSA 2400-6800 RPM Power Band. Excellent mid-range & high RPM power. 3200+ stall, 3.42+ gear, computer tuning required. Due to the fast ramp rate of this camshaft, the use of 1.8 rockers is not recommended. Comp 921 Valve Springs are highly recommended.
Comp Cams Big ***** Thumpr:
Comp Cams BIG *****' THUMPR Hydraulic Roller Cam 235/249 .573/.558 109 LSA, Street/strip, needs 9.5:1 CR , 2800 stall, intake, gears, & headers, very rough idle. RPM range from 2600 to 6800.
Or do I go with something a little less aggressive in the Thumpr line and do this one?
Comp Cams ***** Thumpr:
Comp Cams *****' THUMPR Hydraulic Roller Cam 227/241 .563/.546 109 LSA, High performance street/strip, needs 9:1 CR, 2500 stall, intake, gears, and headers, rough idle. RPM range from 2300 to 6600.
Tell me what y'all think
Last edited by 02SLPfirehawk; 05-28-2009 at 11:35 AM. Reason: Wrong Thumpr Cam
05-30-2009, 02:18 PM
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yeah the custom grind cams are becoming more popular now because they make great power if the person who speced them out knows what theyre doing. And PatrickG and predator-z know what theyre talking about.
