Cam 5.7 dd truck
#1
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Cam 5.7 dd truck
Im building an iron 5.7 from a 5.3 block. It's going in a 2001 GMC ext cab. I have a set of 243's and long tube headers. I will be driving this truck approx. 100 miles a day. What kind of cam can I run without wearing out springs premature? I'll put a 3200 stall in if I need to.
#2
I've got a 5.7 in my 2005 Silverado, since I drive over 100 miles a day my concerns were similar to yours. When it came to the cam I decided to go conservative and go with the LS6 cam, with 243 heads it made 349hp to the wheels on stock manifolds and intake box.
#6
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I run the off the shelf comp 216/220 low lift in my ls1 with about 30k miles on it so far.
Pulled my 6klb camper to tx and back (1100 miles each way) and the motor has a total of 8 trips to tx and i just recentlly drove it to las vegas.
I run stock ls9 springs and the factory pushrods from the ls1 motor (99 block) and it hasnt missed a beat.
Last time i was on the dyno i put down 36Xrwhp/35Xrwtq untuned for the head change (went from 853 to 243) and ive since added a ported tbss intake and 4"cai but havent ben back on the rollers.
Id say go with atleast the 212/218 or get an isky 215/215
Pulled my 6klb camper to tx and back (1100 miles each way) and the motor has a total of 8 trips to tx and i just recentlly drove it to las vegas.
I run stock ls9 springs and the factory pushrods from the ls1 motor (99 block) and it hasnt missed a beat.
Last time i was on the dyno i put down 36Xrwhp/35Xrwtq untuned for the head change (went from 853 to 243) and ive since added a ported tbss intake and 4"cai but havent ben back on the rollers.
Id say go with atleast the 212/218 or get an isky 215/215
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#8
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I had a lunati 216/218 cam in my first ls1 it was a great cam but when the motor went out i bought a new block and went with a tsp torquer v2 232/234 cam. Daily drive it 50 miles round trip to work and back. So far i really love it but towing is something i will never do with my setup
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