Big Al

iTrader: (1)

This is the cam card that came with the car I bought. Good, bad or?
The cam is dead and I need to replace it.

Al

RamAir95TA

iTrader: (2)

That's a pretty decent sized cam - too big to be used with stock heads IMO. What do you mean the 'cam is dead' and you need to replace it? What other mods do you have? More info the better.

96TransAmboosted

iTrader: (8)

Dead cam? so whats that mean the car wont start

Big Al

iTrader: (1)

Number one ate both lobes, killed both LS7 lifters. Car was running fine, just had a noise under the valve cover and I went looking. So I need to pull the cam and start looking for it's replacement.

Chased down the cam, it's a Schneider.

Car has all the normal hot rod stuff. Long tube headers, 42 pound injectors, BBK throttle, intake is opened up, ports matched to the heads, big fuel pump. Also has a TH400 and S-60 w/4.30 gears.

It's sick ignition wise too. Has a miss I've been chasing. Was under the hood playing with the ICM when I decided to find the noise. Now I get to look at the Optispark too.

It ran 12.66 @ 107 last Saturday here in Tucson. Miss, flat cam and all.

Al

Big Al

iTrader: (1)

Someone pointed me to this cam:

http://www.compcams.com/Company/CC/c...?csid=196&sb=2

Any idea why it says not for LT1 or LT4? Is it a decent cam for my car?

Al

RamAir95TA

iTrader: (2)

The 503 is a great cam.

And the LT4 is an LT1, just with a few specific parts. Read: http://www.grandsportregistry.com/lt1vslt4.htm

lt1-xjs

The correct part number is 07-503-8 for the LT1, great cam.

greenZ96

iTrader: (6)

Im plenty happy with my 503

Puck

iTrader: (17)

If you enjoyed the original cam listed, then you will find the 503 WAY too small. If you thought it was a bit unruly, then the 503 may be more tolerable.

Big Al

iTrader: (1)

Anybody running one of these?

http://www.compcams.com/Company/CC/c...csid=1103&sb=0

Close to what's in mine now.

Al

Lawhead

iTrader: (14)

Thats the 306 there are LOADS of people running that cam there seems to be a 50/50 on people for and people against running it on stock heads

Big Al

iTrader: (1)

Here are some pictures of the cam. I think it's a reground stocker. A lot of metal is somewhere

http://s1137.photobucket.com/albums/...t=100_1320.jpg

http://s1137.photobucket.com/albums/...t=100_1319.jpg

http://s1137.photobucket.com/albums/...t=100_1321.jpg

Al

AChotrod

iTrader: (17)

yep that cam is dead lol.

Puck

iTrader: (17)

Lol damn.

trilkb

iTrader: (4)

dude thats one of the best pics ive ever seen.

Props to that thing running 12.66 @ 107 like that! Damn strong runner! I would expect 13's from the cam specs and the wiped lobe!

Big Al

iTrader: (1)

Comp Cams recommended a cam for my car. It's a custom grind.

They suggest using a part number 07-000-8 with a grind number
3017/3038HR111+4. "This is a custom grind camshaft and will take 3-5 business
days to complete. I have provided the specs below."


Duration @ .050 236/242

Lift w/1.5 rockers .543/.540

LSA 111 degrees

Not far off the old cam.

Any comments? Also asked if they could do a flat tappet mechanical cam as I'm worried about metal from the old cam, they say no. Did a google search and found people that have done it?

Al

RamAir95TA

iTrader: (2)

Why on earth would you want a flat tappet cam? That's crazy talk!

Big Al

iTrader: (1)

As I said, I'm worried about metal in the engine. Flat tappet cams are not so sensitive to debris. It was just a thought to avoid more cam problems.

I'm going to pull the engine and look through it but am not planning on pulling it all apart and having it cleaned. More or less I want to see if this crap made it through the oil system and wrecked the bearings.

I don't know where this will all end up but I'm very tempted to toss a regular "old school" small block in and just forget this LT1. I found some small distributors that might fit under the cowl. Not a pleasant thought to have to pull the engine to get the distributor or intake off

Al

96TransAmboosted

iTrader: (8)

why would you need to pull the motor to get the intake and dis off? lol you can do both in car

Big Al

iTrader: (1)

Was looking at things yesterday and found the reason for the "killed" cam. The plate that holds the little "dog bone" part that keeps the lifter from turning has a bent finger. So the lifters must have come out of the holder and turned and that's what killed the cam. Question is why? All I can guess is somehow one of the lifters "lifted" the plate. Can't see any other way the finger would have bent. At least now I know why it only damaged one cylinder.

Al 95 Z28