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402 ls2 build up, what cam with afr 205s?

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Old 12-01-2007, 01:36 PM
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Default 402 ls2 build up, what cam with afr 205s?

I am waiting for a texas speed 402 ls2 shortblock to arrive.

This is going in my z06. I am having my afr 205s milled and hogged out. Ive heard of people making 520-540 with afr 205s and the right cam. Anybody have experience with this combo? I am trying to pick the right cam to get me into that area (have a ported fast 90 as well). I do like to drive the car a bit so driveability would be semi important.

I am also going to be running a 250 shot two stage nitrous set up as well.

fun times!
Old 12-01-2007, 03:43 PM
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I wouldnt have the 205s ported. The port works well the way it is, and with the right cam, it will make a VERY fun car to drive.

The graph above is from a mid 230s, with every bolt on, through a stock Z06 Ti catback. It had 11.2-11.4:1 CR.

Let me know if I can Help
Old 12-01-2007, 09:21 PM
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I'm doing a very similar setup to yours right now. It's a Lingenfelter 403 with Dragonslayer crank, Compstar Rods, and Mahle -12cc pistons. I am using a ported FAST 90/NW90, and Tony Mamo ported 205's. I am going with a 242/242 114 cam on a 112 ICL. Also, going with 11.5:1 with that cam. Going to go with my Jesel SS rockers. I also swapped my Kooks 1 3/4" headers for Kooks 1 7/8" headers. Keep in mind, I am staying NA until I get some more coin next year and put a nice alky injected FI setup on it. With 72cc heads of course.
---
Unfortunately due to Tony's schedule and winter fast approaching in New Jersey, I don't think I'll have it running for real unitl spring. So I don't have any numbers for you. I'm hoping for 500rwhp/480rwtq. Gotta remember the 4" stroke will cause the top end to run out of air sooner. But the torque is where he fun will be, especially on the street, or coming out of a corner and kicking it at an HPDE. 750rwhp and 800rwtq in your case would make it an animal.
Old 12-02-2007, 02:30 AM
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Originally Posted by Louis


I wouldnt have the 205s ported. The port works well the way it is, and with the right cam, it will make a VERY fun car to drive.

The graph above is from a mid 230s, with every bolt on, through a stock Z06 Ti catback. It had 11.2-11.4:1 CR.

Let me know if I can Help

Louis,

Thanks for the info. I appreciate your insight. I wouldnt mind considering another one of your cams. I bought my heads/cam/intake/longtubes off of you guys recently in May. I dont supose you guys do some kind of cam swap/credit thing where I send you my G5X3 cam for a little bit of store credit on another cam I buy from you guys?

Thanks

Dave
Old 12-02-2007, 04:01 AM
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Do you have a auto or manuel? If you have an auto, what stall are you running? What rear end gear ratio are you running?
Old 12-02-2007, 05:57 AM
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Dave,

give Tony Mamo a call about the cam. He can and will set you up with the correct cam.

D.J.
Old 12-02-2007, 09:14 AM
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The car is a manual.

I tried talking to Tony Mamo, but he has yet to get back to me.
Old 12-02-2007, 01:09 PM
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A cam along this line should work pretty well for you 232/242 or 238/248 on a 113+3. Just make sure to give your cam enough duration to clear out the extra burned gases from a 250 shot (aka on a N/A motor you only need to run a single pattern cam or 4 degrees more on the exh. side).

Last edited by 1997bird; 12-02-2007 at 03:46 PM.
Old 12-02-2007, 01:39 PM
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There was a post about Tony Mamo running 205's in his vette with I believe an ls2 402.
Old 12-02-2007, 06:07 PM
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Dave, I can do trade ins

Tony did a nice 402, 205 topped combo recently, but that had a VERY large cam in it. I dont recall of the top of my head, but I remember reading the thread and realizing why he made what he did, given the cam size.
Old 12-02-2007, 07:02 PM
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Originally Posted by Louis
Dave, I can do trade ins

Tony did a nice 402, 205 topped combo recently, but that had a VERY large cam in it. I dont recall of the top of my head, but I remember reading the thread and realizing why he made what he did, given the cam size.
https://ls1tech.com/forums/dynamometer-results-comparisons/803383-403-ls2-afr-205is-lays-down-550-rwhp.html
Old 12-02-2007, 07:08 PM
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I'm running a TSP 402 in my Z06 with ETP215's and a G5X4. My car made 510/497 and has run a best of 10.76 @ 132mph with a 1.64 60' at 2000+ DA.

I'm extremely happy with my setup and it's "torquey" as hell!
Old 12-03-2007, 06:43 AM
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Originally Posted by Louis
Dave, I can do trade ins

Tony did a nice 402, 205 topped combo recently, but that had a VERY large cam in it. I dont recall of the top of my head, but I remember reading the thread and realizing why he made what he did, given the cam size.
Awesome, I am probaly going to take you guys up on one of your cams then.

I will probaly contact you guys later this week for details.

Thanks Louis

David
Old 12-03-2007, 09:26 PM
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I had the G5X3 AND G5X4 cam both with the AFR 205 heads. Both made great power,the x4 a little more and both drove great around town. You will love either of them,great cams.



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