cam choice?
cam choice? I found this cam on ebay, i am new to the ls performance scene, a breakdown of my combo is this : 07 LY6, l92 heads, vic jr, at least a 850 carb, stock bottom end, turbo 350 with around a 4500 stall, 4.10 gears in a 3000 lb coupe. i was running 6.8-6.9s with the old 302, hoping to improve that. All I care about is all out performance, not worried about idle quality, stop and go driving.. Only stop and go i will do is the dragstrip. i was a little concerned with the lobe seperation on this cam, but here are the specs........ Livernois Stage 1 LS camshaft. .
intake 224@.050 lift .581 lift
exhaust 230@.050 lift .590 lift
114 lobe center
3 bolt cam
intake 224@.050 lift .581 lift
exhaust 230@.050 lift .590 lift
114 lobe center
3 bolt cam
Go bigger. Find the biggest cam you can get without fly cutting the pistons, unless you intend to flycut. Should be low 230s @50 on the intake with l92 heads. Go for a 108 to 111 LSA. I think Texas Speed has a cam designed to max out the piston to valve clearance.
my LY6 ran great with a 227/235 @ .050, 114+4lsa, no fly cutting.
I think the cam that comes with the engine will be fine.
personally I would NOT go more than 230ish on the intake lobe unless you cut the heads for compression
I think the cam that comes with the engine will be fine.
personally I would NOT go more than 230ish on the intake lobe unless you cut the heads for compression
well, i didnt think that cam was optimum. I figure if i cant find good info on used, I will just have a custom cam done. I know there are people here that know alot more than me, so i just thought I would seek opinions.
Many of the LS aftermarket vendors are making max effort no flycut cams for the ls3/l92 head motors, but I don't know of any making them for carbed applications which is a shame, cuz a lot of guys are building budget racecar motors with l92 heads. So there is a good market for it.
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You can run that cam for sure, but your combo will like a larger cam with a narrower LSA and more advanced ICL.
Many of the LS aftermarket vendors are making max effort no flycut cams for the ls3/l92 head motors, but I don't know of any making them for carbed applications which is a shame, cuz a lot of guys are building budget racecar motors with l92 heads. So there is a good market for it.
Many of the LS aftermarket vendors are making max effort no flycut cams for the ls3/l92 head motors, but I don't know of any making them for carbed applications which is a shame, cuz a lot of guys are building budget racecar motors with l92 heads. So there is a good market for it.
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Verdad Gallardo Well, i am not disputing you knowing what you are talking about at all. But FTI ground my last 2 cams in fords, He does LS work too, he told me before i got my cam that it would run low 6.8s, upper 6.7s in the 1/8, It ran 6.82. Its best before the cam was 7.13. This was on a stock shortblock 302 in a 3000lb car. Ed has always been pretty good to me. I have been looking at other options tho. Just seems like its harder to find a cam that works good with these particular heads. They are off, and they will be milled if its what they need to make power.
Oh, that same car went 10.92 in the 1/4 mile holding rpms at 6000. 4.10 gear was a little large for me, i didnt like turning the 302 past 6500 or so. It ran real good for a little motor.
I did not mean to discount FTI, I have no experience with them. I just wanted to express my opinion that there are alot of so-called "cam guru's" on this site that should not be giving cam advice.
Bret Bauer spec'd mine, and I'm very happy with it, I'm sure many other REPUTABLE guys can supply a worthy bumpstick.
I will add that when you go beyond aprox .620 lift, you are going to need to fix the rocker geometry, and be carefull with lobe selection to keep the valvetrain happy.
Barrett
Bret Bauer spec'd mine, and I'm very happy with it, I'm sure many other REPUTABLE guys can supply a worthy bumpstick.
I will add that when you go beyond aprox .620 lift, you are going to need to fix the rocker geometry, and be carefull with lobe selection to keep the valvetrain happy.
Barrett
I did not mean to discount FTI, I have no experience with them. I just wanted to express my opinion that there are alot of so-called "cam guru's" on this site that should not be giving cam advice.
Bret Bauer spec'd mine, and I'm very happy with it, I'm sure many other REPUTABLE guys can supply a worthy bumpstick.
I will add that when you go beyond aprox .620 lift, you are going to need to fix the rocker geometry, and be carefull with lobe selection to keep the valvetrain happy.
Barrett
Bret Bauer spec'd mine, and I'm very happy with it, I'm sure many other REPUTABLE guys can supply a worthy bumpstick.
I will add that when you go beyond aprox .620 lift, you are going to need to fix the rocker geometry, and be carefull with lobe selection to keep the valvetrain happy.
Barrett
On The Tree
Joined: Sep 2012
Posts: 109
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From: Montross VA
cam Your combo is similar to one of mine. The cam i have is @50 intk 235 ex 243 lift intk 610 ex 627 108 center line and 110 lobe sep. ls3 head was shaved 030 and cnced, also used 010 shorter push rod than stock to be safe. 850 carb 410 gear. Ran 6.55
I like that.....what was the weight of the car?What stall did you have? i am hoping for more than 6.5s, but if i get that i will be content for a little while. Twinturbo2 on here has the stang that went 6.30s, been talking to him alot.
If you are going to run nitrous on the stock pistons, flycutting may be a nono. There are a few guys on this site who broke the factory pistons in the area of the flycut running nitrous.
