Generation III Internal Engine 1997-2006 LS1 | LS6
Sponsored by:
Sponsored by:

Anyone have an uninstalled GMPP LS1 Hot Cam?

Thread Tools
 
Search this Thread
 
Old 12-08-2009, 12:18 PM
  #1  
10 Second Club
Thread Starter
iTrader: (4)
 
357i's Avatar
 
Join Date: Sep 2009
Location: Richmond, VA
Posts: 204
Likes: 0
Received 1 Like on 1 Post

Default Anyone have an uninstalled GMPP LS1 Hot Cam?

I'll start by saying I bought a used GMPP Ls1 hot cam from a member of this site... I want to make a point of saying I am NOT saying anything that should lead you to believe he is not honest or that I think he sent me something other than what he said it was.

That being said, I bought an engine out of a 1998 camaro that I was told was stock. Durring the rebuild, nothing looked as though it wasnt stock. I decided to get a bigger cam and I found a used GMPP Hot Cam on this forum. It came in today and the cam that came out of the motor has noticably more lobe lift. The "GMPP" cam I got looks to be not a production peice because there is machining marks where the one that came out looks cast.

I'm just trying to find someone who has a Hot Cam1 that they have not installed yet to look at the numbers on the back side of it and post them up just for my piece of mind. Even if the cam that came out of the motor is an aftermarket cam that is larger than the hot cam, I would rather use the hot cam anyway.

thanks
Old 12-08-2009, 01:19 PM
  #2  
LSX Mechanic
iTrader: (89)
 
Damian's Avatar
 
Join Date: Nov 2001
Location: Atlanta
Posts: 10,389
Likes: 0
Received 10 Likes on 7 Posts

Default

It came in today and the cam that came out of the motor has noticably more lobe lift.
You can tell .1XX of an inch with the naked eye?
Old 12-08-2009, 01:58 PM
  #3  
10 Second Club
Thread Starter
iTrader: (4)
 
357i's Avatar
 
Join Date: Sep 2009
Location: Richmond, VA
Posts: 204
Likes: 0
Received 1 Like on 1 Post

Default

You cant see 1/8" side by side?

I mic'd it out as well...

Last edited by 357i; 12-08-2009 at 05:39 PM.
Old 12-08-2009, 02:34 PM
  #4  
On The Tree
iTrader: (21)
 
caged02's Avatar
 
Join Date: Oct 2004
Location: Altoona, Iowa
Posts: 115
Likes: 0
Received 0 Likes on 0 Posts

Default

It should have either a part number or Hot Cam scribed on the end of the cam. I have had 2 and this first one had the part # only scribed on it and the most recent one had Hot Cam .525 scribed on it. If there is nothing on it at all, I would be a little leary of putting it in.
Old 12-08-2009, 03:47 PM
  #5  
10 Second Club
Thread Starter
iTrader: (4)
 
357i's Avatar
 
Join Date: Sep 2009
Location: Richmond, VA
Posts: 204
Likes: 0
Received 1 Like on 1 Post

Default

it does have "Hot Cam 525" scribed on it very poorly, it looks like my 1 year old son wrote it haha.



Thats what I needed to know

thanks

Last edited by 357i; 12-08-2009 at 05:40 PM.
Old 12-08-2009, 06:42 PM
  #6  
10 Second Club
iTrader: (18)
 
BriancWS6's Avatar
 
Join Date: Mar 2004
Location: The Garage
Posts: 3,910
Likes: 0
Received 1 Like on 1 Post

Default

Originally Posted by Damian
You can tell .1XX of an inch with the naked eye?
I should certainly hope so! Maybe it's not so much as what people can or can't tell, but more so what they just don't pay attention to.

As a machinist for over 10 yrs, you would be surprised at just how small a difference I can see with the naked eye.
Old 12-09-2009, 04:20 PM
  #7  
On The Tree
iTrader: (7)
 
DSRE's Avatar
 
Join Date: Nov 2009
Location: Tigard, Oregon
Posts: 171
Likes: 0
Received 0 Likes on 0 Posts
Default

looking at cams by eye can be misleading because most of the time the base circle of the aftermarket cam has been altered to gain lift and still physically fit in the engine therefore you won't be able to tell really what it is untill you put it in the engine and degree and actually measure the lobe lift ect fwiw an btw that looks like a hot cam to me




All times are GMT -5. The time now is 06:49 PM.