Camshaft "GURU" needed !!! Cam question.

5ohCOUPE · 03-26-2003, 01:04 PM

Here are the specs on the cam I have.

.218 .226 @ .050 duration
.500 .510 lift
112 LSA
108 ICL

Its a Lunati 51014 grind.

The cam comes with a 4 degree advance. My question is if I set this cam in straight up on the timing chain dots will it be advanced 4 degrees? Im just wondering if im getting all of the performance out of this cam I should be. I dont want it 4 degrees advanced, I want it at zero. AAAAAAAAA HELP !!!!!!

Shaggy · 03-26-2003, 03:39 PM

Typically when they say it is ground 4° advanced that is so that with a stock timing chain set it would be where they would call straight up because stock chainset are made with 4° of retard in them, If you bought a good aftermarket roller chain set with multi keyways or index bushings then to get the valve timing at what they consider straight up you would need to set the chain set to 4° retarded just like the factory set. Now after all that said really the best way to do it is spend the 25 to 30 bucks on a degree wheel and measure it for youself so you know where is it is. Not based on well if it is 4° advbanced minust this 4° retard then it is straight up.

03-26-2003, 01:04 PM	#1
5ohCOUPE Registered Member Join Date: Sep 2001 Location: ORANGE PARK FL. USA Posts: 208	Camshaft "GURU" needed !!! Cam question. Here are the specs on the cam I have. .218 .226 @ .050 duration .500 .510 lift 112 LSA 108 ICL Its a Lunati 51014 grind. The cam comes with a 4 degree advance. My question is if I set this cam in straight up on the timing chain dots will it be advanced 4 degrees? Im just wondering if im getting all of the performance out of this cam I should be. I dont want it 4 degrees advanced, I want it at zero. AAAAAAAAA HELP !!!!!! __________________ 91 LX COUPE, 3.73 gears, 2 1/2 inch H-Pipe, 1 5/8 MAC long tube headers, 73 MM C&L MAF, 70 MM MAC TB, LUNATI cam,1.7 TFS Rockers, TFS Track Heat heads, TFS Track Heat intake, T5 with PRO 5.0 shifter, Griffin aluminum radiator, Fluid Damper, SSM traction bars, 190 GPH in tank fuel pump. And more to come.

03-26-2003, 03:39 PM	#2
Shaggy Registered Member Join Date: Feb 1999 Location: Houston,TX Posts: 466	Typically when they say it is ground 4° advanced that is so that with a stock timing chain set it would be where they would call straight up because stock chainset are made with 4° of retard in them, If you bought a good aftermarket roller chain set with multi keyways or index bushings then to get the valve timing at what they consider straight up you would need to set the chain set to 4° retarded just like the factory set. Now after all that said really the best way to do it is spend the 25 to 30 bucks on a degree wheel and measure it for youself so you know where is it is. Not based on well if it is 4° advbanced minust this 4° retard then it is straight up. __________________ A good plan, violently executed now, is better than a perfect plan next week. George S. Patton, General (1885-1945)

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