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LS2 402 What cam to use?

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Old 04-20-2008, 01:39 PM
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Default LS2 402 What cam to use?

I will be buying a 402ci LS2 short block from Texas-Speed sometime next week. I have new ported lS6 heads w/ Gold PRC's that I will be using. I am thinking of going with a MS3. What do you guys think? I want my car to be some what easy to drive. I might be using this car for a daily driver. How streetable will a cam like this be compared to the MS4?. My car has almost all bolt ons and I will be using the LS6 intake and Ported TB for now untill I can afford a 90/90 setup. What kind of HP do you guys think I should be expecting with a setup like this. Thanks for any Help or Info.
Old 04-21-2008, 12:43 AM
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Texas giant
Old 04-21-2008, 03:25 AM
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Well MS3 Is way to small
My firend daily drive his car with 346ci and MS4 This cam will be better and stronger.

Either MS4 or Gaint a littel rough Idle but not that bad with your M6.
Old 04-21-2008, 07:31 PM
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I'm pretty sure that the Texas Giant will be too much for me. I would rather sacrifice 10-15 RWHP in order to keep driveablity good. As far as the MS4 goes I would never consider that cam a daily driver in a 346ci atleast for me. Also I have seen a MS4 cam only car lose to a TSP 228 cam only car at the track. Peak dyno HP doesn't mean that much to me. I would rather have a car with great torque and a good HP mark but also drive/run good. I do realize though that with the extra cubes I will have to make up the torque that I would have been losing, the MS4 might be great with my setup. I will be using Stage 1 LS6 heads w/ the PRC double's if that has anything to do with your cam selection. I am also looking for a cam that wont make me replace my Springs every 10,000 miles. Thanks for any help.
Old 04-22-2008, 04:08 AM
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234/240 .598"/.609"(XE-R lobes) 113 + 2, this should be pretty mellow for your 402.

Last edited by 1997bird; 04-22-2008 at 04:14 AM.
Old 04-22-2008, 01:40 PM
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Originally Posted by 1997bird
234/240 .598"/.609"(XE-R lobes) 113 + 2, this should be pretty mellow for your 402.
What kind of RWHP would I be making as compared to a MS3 or MS4. That cam does seem a little on the small side. But the reason why I am posting here is I am not too familiar with cam's other that for the 346ci. Thanks for your input and I will look into those cam specs.
Old 04-22-2008, 04:53 PM
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Mine works pretty good, and its not to wild. (In sig) This is my DD and i have no problems other than the occasional bucking.
Old 04-22-2008, 08:30 PM
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I have a great cam posted in the for sale section. 236/240 .631/.610 111+3
Old 04-22-2008, 08:38 PM
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Originally Posted by HEMIETR
I have a great cam posted in the for sale section. 236/240 .631/.610 111+3
Thanks, but I have a brand new TSP 224R which was going to go into my last setup before I hydrolocked my motor and decided to take the 402 route. I'm sure TSP wont have a problem letting me swap that out for one of there other of the shelf grinds. Hence the reason why I was curious about the MS3 & MS4 for this particular setup.
Old 04-23-2008, 01:34 AM
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Originally Posted by Fifedogg
What kind of RWHP would I be making as compared to a MS3 or MS4. That cam does seem a little on the small side. But the reason why I am posting here is I am not too familiar with cam's other that for the 346ci. Thanks for your input and I will look into those cam specs.
I don't think that it would make more HP than the MS3/4, but it would make more TQ like you had requested. I should have looked up the specs on the MS3 before I posted, as I thought that the MS3 was a little bit smaller than it is. The MS3 on a 112 +2 would work quite nice too. I know that a 402 with L92 WCCH heads/L76 Port Works intake, 234/240 XER 112+0, Yella Terra rockers, and a few other goods made 510 RWHP/ 470 RWTQ in a C5 Vette on a stingy Dynojet (WKMCD). https://ls1tech.com/forums/generation-iv-internal-engine/662314-l92-dynojet-numbers-plus-plan-b-c-d-e-f.html
Old 04-26-2008, 06:07 PM
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No more opinions on which cam to use
Old 04-26-2008, 06:09 PM
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224/228. its a good reliable cam and leaves you open to easily slap on a FI setup without any issues.
Old 04-26-2008, 06:11 PM
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Originally Posted by 1997bird
234/240 .598"/.609"(XE-R lobes) 113 + 2, this should be pretty mellow for your 402.
I run this cam 112 -0 but I run L92 heads. The car drives like stock and makes 510/470 with 380 RWT at 2200 and 400 at 3k.
Old 04-26-2008, 06:45 PM
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Originally Posted by Fifedogg
No more opinions on which cam to use
I ran a 244/250 .612 113 LSA and really liked it. Good streetability and ran strong at the track. I recently changed cams to a slightly bigger one ground on different lobes. Give Mike at Rapid Motorsports a call. He has been doing custom cams for LS2 402's longer than anyone.
Old 04-26-2008, 08:11 PM
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I would try a Vindicator 240/244 112+4
Old 04-26-2008, 08:41 PM
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Run duration of 244-250 and lift of 600-620 on a 112. My preference is to have someone do a custom cam, instead of an off the shelf deal. The good news is that LS engines seem to run quite strong with a variety of camshafts. I've seen engines with "too small cams" make some pretty decent numbers and perform very well at the track.
Old 04-26-2008, 11:17 PM
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Originally Posted by 1997bird
234/240 .598"/.609"(XE-R lobes) 113 + 2, this should be pretty mellow for your 402.
Same cam im runnin, fu3kin luv it.
Old 04-28-2008, 10:57 PM
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Looking for a similar setup
Old 05-03-2008, 12:42 PM
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Bump...
Old 05-03-2008, 01:05 PM
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I guess it depends on what you want. If I had a 402, I would make it more of a daily driver motor and I would contact Tony Mamo from AFR regarding a cam he had on a 402 block that made like 550 rwhp while maintaining great driveability.


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