I have a 355 tbi and an i need someone to recommend me a good cam for this setup. I will have a set of l98 head's ported and polished, Edlebrock TBI intake, 2400 stall torque converter and 3:73 gear's

 

I wonder how a ZZ4 or the LT4 Hot Cam would work? I think the ZZ4 would probably be the better chioce. The ZZ4 cam was designed to run with a carb and that is just about what a tbi is. I don't know how the computer will like these cams but I'm sure a little tuning would fix any problems. Just my .02

 

jsut look at any cam that will work in teh power badn you intend to use. teh ecm can be tuned to take care of anything. i am a big fan of teh comp cams extreme energy line.
while you have that intake off the motor port it out a bit and gasket match it to teh heads.

later
tim

 

can you recommend me a cam from the extreme energy line please

 

If you plan on keeping the TBI then make sure that the cam lobe seperation angle is at least 112 or 114 degrees. I bought a cam with 110 and the computer that it was at full throttle due to low vacuum. Mine too is a 355. I would consult Comp Cams and see what they would recommend.

 

Does anybody know the phone number for comp cam's

 

110 lobe seperation shoudl be perfectly tunable with a proper chip.
i lik eth exe 268 and 272, they both have a strong power band and will provide plenty of torque for street or strip.

later
tim

 

the only ex energy cam's i see in my book that is hydraulic roller are the 264 the 270 and the 282

 

www.compcams.com

 

Well take it from me, I had to pull a cam after the motor was already in and I am sure you know what that consists of. I was sure pissed off. They insured me that 110 wouldnt work not only at comp cams but three other manufactuers as well I called. There is nothing you can do with a vacuum level that won't meet the requirements to run a motor and all the accessories along with it.

 

Well the lobe separation is half of the picture. I ran a cam just fine that had 109° of lobe separation. It's the duration that fits the other part of the equation. The cam I had was 196/206 @ .050". If the lobes are real small then you can "push them together" and be fine.

Now have a larger cam with 110° LSA and without chip tuning it wouldn't work at all.

IMO installing an aftermarket cam, unless VERY mild, without DIY chip tuning is is like putting rims on without the tires.

 

Well i was looking at the compcam's website and i noticed that they were in Memphis TN. That is only an hour away from my house, so that is cool. But i got to thinking about the lt4 HOTCAM KIT with the 1.6 roller rocker's. What do you think about that cam for the setup. That i listed at the top of this thread

 

Anybody want to comment on this

 

I agree with that, in my case the cam was bigger than a 195 so your right on que with it. As far as roller rockers go and 1.6 cant hurt a thing as long as you have enough lift with those heads and you dont put one in the piston! The 1.6 gives you a little, little more lift so keep it in mind when taking her up to 6,000 rpm or so.

 

would the lt4 hotcam kit be a good idea or not. i need some info on this asap cause im thinking about ordering it today.

 

Will somebody PLEASE PLEASE PLEASE!!!!!!!!!!!!!! For the love of *** tell me if the LT4 HOT CAMKIT would work good in my moter

 

I've been real happy with the Crane Compucam (powermax)2030 (hydraulic roller) #104221

http://www.cranecams.com/master/apps/chevy37.htm

204/214 duration @ .050, .429/.452" lift and 116 degrees of lobe separation. It's pretty mild, but works well with my combo, since the 116 L/S makes for a big vacuum signal:
Edelbrock Performer TBI Intake, Turbo City Throttle Body and AFPR, on a new 350 short block with L98 Heads.
(Tremec TKO and 3.73 Gears)
Making 317 hp @ 4500 (flywheel)
-Rich-

 

they dont know. they havent done it. otherwise, they would have said so by now.


now i would assume that yes, it is FI tuneable... heck its basicly a stock cam.


you would have to burn a chip for it. but yes, you can make that work. assuming the following:

you get a chip burned for it
the valvesprings can take the lift
the valve can take the lift without smacking the piston

 

What are you crazy or something. you got to be if you think that is a close to stock cam

 

he is right on all of his other points

 

The only thing you would need to be concerned about with the hot cam and 1.6/1 ratio rockers(.525" lift) is that you valve guide bosses have been cut down so the extra lift won't smash your valve stem seals. You need at least .050" clearance.

Steve

 

I would tell you more if I could but I am not going to speak on something I dont know. There are plenty of magazines that describe in full how to choose a cam. Its your motor and not someone elses so dont depend on them to make the decision. Do a little back ground work. For instance what power band do you want? How about a torque converter with the right rpm to match the cam? Where is the most power out put at for it so you wont blow the 700 r-4 tranny (if thats still what you got) cause it wont take over 6,500.

 

I would never run my moter past 5500 RPM's. And i gave a list at the very top of this page to let everybody knoq what they think would be a good cam for this setup

 

With the combination that you already have I would go with the LPE-74212 cam. Specs: 214/224 .472/.496 112, the lift is given with 1.6rr. This cam should give you a power band from 1800-5000rpm. Idle will be fine, will pass emissions, but will require tuning to get the most out of it. The lingenfelter cams are pretty expensive, I would just look for a cam with similar specs.

 

I live in Arkansas us *******'s here dont have to woery about them there emission's you other guy's have to deal with

 

Yes it will I'm running a 96 vortec in my 92 rs I have the hotcam kit in it with the full roller 1.6 rockers but you will need taller valve covers if you run the 1.6 it has plenty of vacume the specs are 218 225 @.050 525,525 with 1.6's or 492,492 with the 1.52

 

Well **** how about we all come over there and hold your hand and then install the damn thing while we're at it

...RESEARCH...

 

Tealman, whats the rest of your setup, what have you done to tune it, and how well do you like the way it runs?

Steve

 

Motor: 1996 vortec- flat top 2 valve relef 10.2:1 compression
ported heads(myself very easy)stainless steel valves, LT4 hot cam kit (came with 1.6 full roller rockers valve springs clips and retainers)scoggin-dikky tbi vortec intake bored out tbi holesto 2 inches compared th 13/4 and port matched the the gaskets and heads. 454 tbi unit with 75 lb per hour match flowed injectors. custom fuel presure regulator
edlebrock headers underdrive pullys open element with extem lid
msd ignition and 6al modual box 350 tuneport fuel pump dual fans
custom burned chip.
Trans: stage 2 from boetie overdrives with a 2200 rpm stall
rear end: slp3:42 with auburn posi 1le aluminum drive shaft
suspension: 1LE sway bars ,billstein shocks ,wonder bar all new energy suspension bushing, aluminum LCA and pan hard bar
Interior: 1997 ss charcole grey cloth seats all four
runs 13.1@102 60' 1.9 not bad but I might put a 100 shot of nos to run high 11 or low 12's I'm very pleased with it. Alot faster than I thought

 

If you don't have the equiptment and don't plan on having to get a chip burned, I think that you would be more than pleased with the LT1 cam in that motor. It WILL work with the 350 Caprice TBI chip. IT will run even better if you get it tuned with a chip, but it certainly is not going to run bad without it. THe LT4 is probably gonna take a few mods to work well, especially new springs in the head and tall valve covers. The choice is yours though

Good LUck, and let us know what you do.

 

I know the lt1 cam's are great. but i need something with a bit more umph in it. My go is to run 8.50 in the 1/8 mile that's what the track run's right by my house. you all have prob seen are track on horse power tv . I live in the town where Joe the host on Horse Power TV is from. The track is called (George Ray's Wild Cat RaceWay)

 

Tealman, I just saw your response to my question today. I have to say it looks like you've done your home work. Have you thought about a different intake manifold Like an RPM or single plain? One other thing, did you burn your own chip or have someone else burn it? Oh ya, why are you using a tpi pump and not a tbi hi flow pump? I believe thats all the ?'s I have for now.

Steve

Here the engine and other parts that are waiting to go into my 91RS.

 

in JEGS they have those "Emissions Legal" Cams..


is anyone using one?? are they better than the LT1 cam?

 

it is a stock FI cam. its stock for the LT1.

i was just pointing out that the cam wasnt so over the top that a FI system couldnt handle it easily.



anyway, i found this thread by searching for my name in this forum.

where the hell are the other threads/replies i made? were they deleted or somthing?