Bump stick/TQ
07-02-2005, 01:28 AM
#1
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Bump stick/TQ
I may be looking for a cam sooner than later after hearing the effects an aftermarket cam has on the LS1 Gen III, my concerns are these:
1. Daily drivability...can't get an overly aggresive cam I need to use my truck as the family wagon as well...looking for a bit more power down low and in the middle..little bumpy bump in my idle wouldn't hurt.
2. Should I replace the TQ prior to a new cam?..I get the sense that this is somewhat of a must in order to take advantage of the cams full potential?
Bottom line is this, the Avalanche is a heavy SOB at about 6,000 lbs..so I got to get this sucker up and moving a little better....at least to where I can put a grin on my chin..lol
Any suggestions on a suitable cam? Also what stall would be suitable for my needs...I know this is pretty general in terms of what I'm looking for..
Dave
1. Daily drivability...can't get an overly aggresive cam I need to use my truck as the family wagon as well...looking for a bit more power down low and in the middle..little bumpy bump in my idle wouldn't hurt.
2. Should I replace the TQ prior to a new cam?..I get the sense that this is somewhat of a must in order to take advantage of the cams full potential?
Bottom line is this, the Avalanche is a heavy SOB at about 6,000 lbs..so I got to get this sucker up and moving a little better....at least to where I can put a grin on my chin..lol
Any suggestions on a suitable cam? Also what stall would be suitable for my needs...I know this is pretty general in terms of what I'm looking for..
Dave
07-02-2005, 02:20 AM
#2
i hear a 3,000 stall is very streetable but everyone has a different opinion of streetable. ive never driven a truck with a TQ...ive read that you can still pull a trailer with a good load on it so i figure its pretty streetable. others who know better will chime in...till then check this thread out.
Cam thread for truck motors
Cam thread for truck motors
07-02-2005, 03:01 AM
#3
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Thanks TX....towing isn't a concern for me so that in itself is a good thing. I'm curious to here others opinion on this as well, I like the idea of getting a cam to really wake this LS1 up but some have warned me that a wrong cam selection and the truck will fall flat on it's face.
Dave
Dave
07-02-2005, 03:28 AM
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I always heard that that they are great converters. They claim that you are still able to tow with no problems with a 2800 stall converter. The only thing is that you have to give up a liver for one of them. But great overall.
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07-02-2005, 03:33 AM
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Originally Posted by desTRUCKtive
I always heard that that they are great converters. They claim that you are still able to tow with no problems with a 2800 stall converter. The only thing is that you have to give up a liver for one of them. But great overall.
Dave
07-02-2005, 07:03 AM
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Cam selection is full of give and takes.
A higher LSA will give you a smoother idle, but move the powerband up, where a lower LSA will help give better low end and idle worse.
As durations increase, so does power, but the power band is also moved higher in the rpm range.
Increased lift is like free horsepower with these Gen III motors.
For your big heavy Av, I'd stick with something on the small side, like a comp 206/212 or 212/218, one of Vinci High Performance small cams like the 044, 047, or 062, or Thunder Racing's Old Man cam.
For a stall many people drive 3000 stalls daily, and if you don't want to donate an organ to buy a Yank, you could get a TCI SF3000. They're a little over $400.
An even cheaper option is the factory Trailblazer converter which stalls to around 2500. You can get them for like $300 including the core charge which you have to eat. Some people have used the Daaco rebuilt factory converters which are similar to a Trailblazer but cost like $175.
A higher LSA will give you a smoother idle, but move the powerband up, where a lower LSA will help give better low end and idle worse.
As durations increase, so does power, but the power band is also moved higher in the rpm range.
Increased lift is like free horsepower with these Gen III motors.
For your big heavy Av, I'd stick with something on the small side, like a comp 206/212 or 212/218, one of Vinci High Performance small cams like the 044, 047, or 062, or Thunder Racing's Old Man cam.
For a stall many people drive 3000 stalls daily, and if you don't want to donate an organ to buy a Yank, you could get a TCI SF3000. They're a little over $400.
An even cheaper option is the factory Trailblazer converter which stalls to around 2500. You can get them for like $300 including the core charge which you have to eat. Some people have used the Daaco rebuilt factory converters which are similar to a Trailblazer but cost like $175.