LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Are LT1 cams hollow?

Old 12-19-2006, 10:16 PM
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Default Are LT1 cams hollow?

Are they solid center or hollow like the LS1 cam? I never thought to look, and someone has asked me and I wasn't going to pass on wrong info without actually knowing.

Help me out guys!
Old 12-19-2006, 10:21 PM
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lt1 cams are as solid as a rock... just like any other SBC cam.
Old 12-19-2006, 10:26 PM
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That was what I thought. I think that he found something on ebay and it was hollow. I thought that I would double check.

I guess a dead giveaway would be the drive gear on it for the distributor.
Old 12-20-2006, 09:47 PM
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You mean the Oil Pump drive.., or the Water Pump Gear?
Old 12-20-2006, 09:49 PM
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Originally Posted by the_merv
You mean the Oil Pump drive.., or the Water Pump Gear?
he is saying that since a SBC has a distributer on it... that would give away that its not a LT1 cam
Old 12-21-2006, 12:14 AM
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Originally Posted by Dragframe
he is saying that since a SBC has a distributer on it... that would give away that its not a LT1 cam

actually... that wouldn't mean anything. LT1 cams still have the "distributor gear" on the back of the cam like any SBC cam, although they don't have a distributor in the back, the gear is still in the block that drives the oil pump, but nothing going to a distributor.

an LT1 cam can be run in well, any year SBC... the only complicated part would be a timing set that would work with a cam button and still have to small bolt pattern for the "OE style" roller cam.

FWIW, my truck is about to receive a Comp #501 cam that came straight out of my car...
Old 12-21-2006, 08:04 AM
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Exactly.. we put the LT4 Hot Cam in a old El Camino, it worked very well..
Old 12-21-2006, 09:56 AM
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COuld you get an LT1 cam with a hollow center. Would there be any benefits to that?
Old 12-21-2006, 12:12 PM
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less rotating weight...

Originally Posted by TAEnvy
COuld you get an LT1 cam with a hollow center. Would there be any benefits to that?
Old 12-21-2006, 12:43 PM
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Originally Posted by TAEnvy
COuld you get an LT1 cam with a hollow center. Would there be any benefits to that?
Not as strong, I have seen a cam break in half on a 3100 pontiac v6.

The cam bearings seized, and this cam was hollow.
Old 12-21-2006, 01:27 PM
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The LT1 cam I bought off eBay was CNC milled, not cast like every other cam I've seen. I was very surprised. So I would say it's solid, besides the fact it was heavy like every other cam


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