Generation III Internal Engine 1997-2006 LS1 | LS6
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Hot Cam?

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Old 02-09-2006, 11:58 PM
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Default Hot Cam?

What kind of power gains are expected from a hot cam? I don't know whether to get the hot cam kit from SDPC, or buy my buddies TSP 231/237. Budget is holding me back here, thats why my choices are limited.
Old 02-10-2006, 12:47 AM
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I would go with the 231/237 if I were you. hotcam is proven but so is that TSP stick.
Old 02-10-2006, 12:49 AM
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Can I get away with using 918's with the TSP, and what size pushrod on a stock 5.3 head.
Old 02-10-2006, 12:52 AM
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I run 918's on a 244/248. So I would say you are completely fine. They are rated well over .600 lift.
Old 02-10-2006, 12:56 AM
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7.400 or 7.425...Are the heads milled at all?
Old 02-10-2006, 12:57 AM
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Thanks for the info. How many miles have you put on them already?
Old 02-10-2006, 10:08 AM
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I ran 918's on the TSP 231/237 no problem. The ramp rates aren't too aggressive. The cam hits hard in the upper rev range. Mid range is good. Low end is not that great. A good tune is absolutely necessary.
Old 02-10-2006, 10:36 AM
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Originally Posted by orangeapeel
7.400 or 7.425...Are the heads milled at all?
No the heads are stock 5.3.
Old 02-10-2006, 11:30 AM
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what sbout a f13 with 918's?
Old 02-10-2006, 12:41 PM
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I would use and trust Comp 918's on basically any cam you could put into a street driven LS1. I believe they were rated to .620 lift before the 921's came out and the beehive design is a plus.


I know how working on a budget goes, I would take a used 231/237 (I assume he upgraded?) before a hotcam. I see a heads/cam/stalled LS1 in your sig, what car is this for? What transmission? What gears/converter?
Old 02-10-2006, 06:59 PM
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Originally Posted by SloLS1
Thanks for the info. How many miles have you put on them already?
They have had 3 cams run on them.
and probably close to about 15,000 miles.
Old 02-10-2006, 11:14 PM
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Originally Posted by blkZ28spt
I would use and trust Comp 918's on basically any cam you could put into a street driven LS1. I believe they were rated to .620 lift before the 921's came out and the beehive design is a plus.

I know how working on a budget goes, I would take a used 231/237 (I assume he upgraded?) before a hotcam. I see a heads/cam/stalled LS1 in your sig, what car is this for? What transmission? What gears/converter?
That was my old car that my wife made me sell. I finally got another f-body "two years later." The cam is for my new project. I just bought a TCI4000 from another member, and the gears are stock 3.23's. I have in my storage already-dynatech headers, borla exhaust, the converter is coming, and probably the 231/237. I have a new set of 7.45 pushrods that I bought for my other car, like two years ago. Will these work with the 231/237?
Old 02-11-2006, 01:22 PM
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Originally Posted by orangeapeel
7.400 or 7.425...Are the heads milled at all?
I made a mistake. I do have the 7.425 from Lunati. Will these work with the 231/237 and completely stock 5.3's.
Old 02-11-2006, 01:28 PM
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I would say so, but don't ever take anyone's word for it on here without ever checking it yourself with the correct tools. These cars are like fingerprints....you get my drift.




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