need help identifying a camshaft
Originally Posted by Pewter T/A
on the camshaft itself, it reads: lunati spf-1 t5qa 112 230385(S) or it could be 230305(S) Anyone know the specs?
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On The Tree
Joined: Feb 2005
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From: Mansfield,Texas
Originally Posted by mellowyellow02
Thats the slower than Brian cam LOL.
Slower than Brian cam?
we'll see soon enough.......... 
Teching In
Joined: Jul 2005
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From: Central Massachusetts
Originally Posted by Pewter T/A
Thanks for all the info guys, I called lunati, but they can't identify it either. It's a custom cam.
Slower than Brian cam? we'll see soon enough..........
Slower than Brian cam?
we'll see soon enough.......... Thread Starter
On The Tree
Joined: Feb 2005
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From: Mansfield,Texas
Originally Posted by Josh-'98 Z28
If that's the case, your only choice is to contact someone with a machine that can read the lobes. I think its called a Cam Doctor? I know Lingenfelter's shop has one. For $39 or so they'll "read" your cam and tell you what the specs are.
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Cam Doctor I've got a high definition Cam Doctor here if you can't find someone locally. I also have specialized software to process the Cam Doctor data providing durations at various lift points of both lifter and valve, as well as quality of grind using various high def graphs.
Steve
Steve
Originally Posted by Pewter T/A
Thanks, I might have to do that. I know that you can use a micrometer to read the lift and that you can use a degree wheel to read the duration, but the latter seems complicated.
__________________
Steve Demirjian
Race Engine Development
Oceanside, Ca.
760-630-0450
web: www.raceenginedevelopment.com/
e-mail: race-engine-development@***.net
Steve Demirjian
Race Engine Development
Oceanside, Ca.
760-630-0450
web: www.raceenginedevelopment.com/
e-mail: race-engine-development@***.net
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Originally Posted by Steve - Race Eng
I've got a high definition Cam Doctor here if you can't find someone locally. I also have specialized software to process the Cam Doctor data providing durations at various lift points of both lifter and valve, as well as quality of grind using various high def graphs.
Steve
Steve
Camshaft analysis The charge depends on how much detail you are looking for. I can process one intake and one exhaust lobe to give you the duration at .050" and the lobe spread for twenty bucks. More detail, processing the above data through my high end software runs fifty bucks. With that you will get durations at .006", .020", .050", .100", .200", and .300" lifts at both lifter and valve. It is also possible to check all the lobes and get a printout of the deviations of durations, lifts, lobe spreads for the entire cam.
The Cam Doctor is a very valuable tool for checking the quality of grind as well as the durations. My high end software (very necessary) plots base circle run out, acceleration curves, jerks, etc. What looks like a good cam is often found to be defective in either manufacture or design. You can't grind a good cam on a worn out machine or on a machine with an out of balance grinding wheel!
Steve
The Cam Doctor is a very valuable tool for checking the quality of grind as well as the durations. My high end software (very necessary) plots base circle run out, acceleration curves, jerks, etc. What looks like a good cam is often found to be defective in either manufacture or design. You can't grind a good cam on a worn out machine or on a machine with an out of balance grinding wheel!
Steve
Originally Posted by 2xLS1
What do you charge for that service?
__________________
Steve Demirjian
Race Engine Development
Oceanside, Ca.
760-630-0450
web: www.raceenginedevelopment.com/
e-mail: race-engine-development@***.net
Steve Demirjian
Race Engine Development
Oceanside, Ca.
760-630-0450
web: www.raceenginedevelopment.com/
e-mail: race-engine-development@***.net
Thread Starter
On The Tree
Joined: Feb 2005
Posts: 102
Likes: 0
From: Mansfield,Texas
Originally Posted by Steve - Race Eng
The charge depends on how much detail you are looking for. I can process one intake and one exhaust lobe to give you the duration at .050" and the lobe spread for twenty bucks. More detail, processing the above data through my high end software runs fifty bucks. With that you will get durations at .006", .020", .050", .100", .200", and .300" lifts at both lifter and valve. It is also possible to check all the lobes and get a printout of the deviations of durations, lifts, lobe spreads for the entire cam.
The Cam Doctor is a very valuable tool for checking the quality of grind as well as the durations. My high end software (very necessary) plots base circle run out, acceleration curves, jerks, etc. What looks like a good cam is often found to be defective in either manufacture or design. You can't grind a good cam on a worn out machine or on a machine with an out of balance grinding wheel!
Steve
The Cam Doctor is a very valuable tool for checking the quality of grind as well as the durations. My high end software (very necessary) plots base circle run out, acceleration curves, jerks, etc. What looks like a good cam is often found to be defective in either manufacture or design. You can't grind a good cam on a worn out machine or on a machine with an out of balance grinding wheel!
Steve
Originally Posted by Pewter T/A
Thank you, I might have to send it to you if I can't get the specs locally. I did find out that the cam might have been sold at AMS in Arlington. Are they still in business?
