richie427

have my cam card from comp cams. cam is from TSP. what do'es all that mean. valve adj. gross valve lift duration @, tappet lift, valve timing open/close @.050 int:btdc abdc, exh:# bbdc#, now lobe lift #s

Undy

Post all the info.

richie427

do you have a ph.d in mechanical engineering? holy shi-t. google search it, still dumb! heads an flow all have to do with a cam.

Undy

Drunk behind the keyboard again, are we?

DaOtherOne

Looks like a medium size cam with an overlap of +18.
It should rock and roll the car pretty good at idle.

((intake+exhaust)/2)-(lsa*2)=overlap


OEM LS7
211 / 230 @ .050, .591 / .591 lift, 121 LSA
((211+230)/2)-(120*2)
220.5 - 240 = -19.5

Katech Torquer 116
220 / 244 @ .050, .615 / .648 lift, 116 LSA
((220+244)/2)-(116*2)
232 - 232 = 0

Lingenfelter GT19
227 / 239 @ .050, .678 / .688 lift, 114 LSA
((227+239/2)-(114*2)
233 - 228 = 5

Stalker - 224/246 115
((224+246)/2)-(115*2)
235 - 230 = 5

Lingenfelter GT17
228 / 232 @ .050, .621 / .630 lift, 112 LSA
((228+232)/2)-(112*2)
230 - 224 = 6

Katech Torquer 110
220 / 244 @ .050, .615 / .648 lift, 110 LSA +004
((220+244)/2)-(110*2)
232 - 220 = 12

Lethal - 232/250 113
((232+250)/2)-(113*2)
241 - 226 = 15

Katech K501 Camshaft
235 / 251 @ .050, . 657/ .660 lift, 113 LSA
((235+251)/2)-(113*2)
243 - 226 = 17

YOUR CAM
242 / 250 114 LSA
((242+250)/2)-(114*2)
246 - 228 = 18

Punisher - 236/256 111
((236+256)/2)-(111*2)
246 - 222 = 24

Lingenfelter GT21
243 / 259 @ .050, .663 / .702, 112 LSA
((243+259)/2)-(112*2)
251 - 224 = 27

Striker - 244/256 110
((244+256)/2)-(110*2)
250 - 220 = 30

Katech GM World Challenge camshaft
239 / 251 @ .050, .570 / .570 lift, 107 LSA
((239+251)/2)-(107*2)
245 - 214 = 31

Katech GM Stage 3 Camshaft
233 / 276 @ .050, .630 / .630 lift, 107 LSA
((233+276)/2)-(107*2)
254 - 214 = 40

C6z06man

Haha!! Drunken keyboard warriors. Lol.

richie427

not drunk to reply to, an regret what i would have to say...

richie427

read something in HRM engine camshaft basics, the way it kicks in after about 4000 rpm this TSP motor, takes off like it's a bat out of hell. love it still need to see what it would feel like when, (ONLY have 536 miles on it now). ( on the state hw). Any way what does valve adj gross valve lift intake# exhaust (HYD) #mean. thank you, dont no if i would want the cam spec. out there, unless the builder does not mind. THANK- YOU

cr133r

Here's more info.

Overlap - 18
IVC ABDC - 52
IVO BTDC - 10
EVC ATDC - 8
EVO BBDC - 62

0.050 DCR - 9.6

On an otherwise stock motor, you are losing .26 pts of DCR at 0.050.

richie427

What the hell does all that mean? Try-in to learn as much as i can, an what you just said, I feel even more dumber then be for. Thank you anyway. richard. Dam should of paid more att. in mechanical engineering, when i was in school. well that was a long time ago.

cr133r

Its basic valve timing events based on the cam specs. Most important parts are overlap (18 degrees) and IVC (52 ABDC). The 18 degrees of overlap means its a fairly large cam and you may have some driveability issues compared to stock (mostly on lightly loaded conditions). With the IVC at 52 degrees ABDC, you are losing dynamic compression compared to the stock cam which is going to soften up you bottom end a bit.

Jamie Lennartson

I bought an alky kit, now looking for a hell cat pump...
just gonna run a small blower cam with stock street manners... and some springs...
that's good for 750-800rwhp on 93+meth

Undy

6 year old post...

Jamie Lennartson

my bad... it commented on wrong post.