Just bought a 1996 Z28. Took it to a shop & had some work done.

Patriot heads. 2.02/1.64 valves, 1.6 rolloer rockers
LT1 hot cam
SLP longtube headers with ORY pipe
Flowmaster muffler(was on car already)
SLP CAI
BBK throttle body 64mm
MSD optispark & MSD coil
Hypertech handheld tuner
LCA,s(No HP gain I know but better planting of power)
B&M ripper shifter

Went ahead & put a new starter,waterpump,serpintine belt & knock sensor, new rotors & pads on as well.
What can I expect to make off the crank? And what kind of #'s will a dyno show & with a dyno tune what Kind of #'s?This is my 2nd camaro. 1st was a 1969 baseline camaro w/327 powerglide set up. Shouldve kept her! Thanks guys for your input.

 

Do not expect to set the world on fire. You've changed the complete dynamic of the valvetrain with the heads and assumingly the LT4 hotcam without purposefully reprogramming the computer using a GOOD tuner (Hypertechs are VERY poor tuning tools, especially for a cammed car). I wouldn't expect more than ~310whp as-is. You could potentially see as much as ~335whp with a GOOD tune. The stock exhaust with a Flowmaster isn't helping you either.

My suggestion - get a PROPER tune and a full exhaust system to make the most of what you have.

 

Thanks for the reply. Maybe I didnt post it right but I do have SLP Long tube headers with ORY(off road Y pipe). cam used was an LT1 hot cam not an LT4. Sorry if my original post was not clear. with this info you have now & getting the car dyno tuned what should I expect to see at the rear wheels?

 

The only LT1-specific cam denoted "hot" is the LT4 "hot" cam, which is arguably the MOST common cam used in LT1s and is likely what you have.

In my first post I posted what your potential numbers could be. Keep in mind dyno numbers are what you want them to be, but when it boils down they are only useful for tuning. Track ET/MPH tell the real story.

When I meant stock exhaust, I meant the stock 2.75" intermediate pipe and piping mated to a Flowmaster muffler. Not ideal in this scenario. I'd invest in a full 3" cat-back system.

 

Ahhhhh I see. My mistake yet again it seems.lol. The ORY is 3". I understand what you mean about the cam. I was listing lt1 due to it being the lt1 & not lt4 that the vettes had.My mechanic just said hot cam so I assumed lt1. sorry about that. After the 3" ORY is there a better set up you recomend over the flowmaster?

 

in another thread here in this section called "better cam for stock heads" some folks are claiming 380hp with just cam. Another guy debates it saying cars with heads & cam (like mine) put those #'s down. why would my car only net 335hp? Just curious as Im trying to learn from your info given. Thanks.

 

Anything BUT the Flowmaster. There are several bolt-in systems that use a 3" intermediate pipe like Hooker, Magnaflow, etc., and all are far more free flowing than your current setup.

The LT4 hotcam, by comparison to the cam mentioned in that thread, is small. And the 380whp claim in that thread I personally find very difficult to believe. The most I've seen from a cam-only car is in the 360s. You will find that the norm for most cam-only/bolt-on cars is 325-360whp, depending on the grind.

 

Gotcha! Thanks for explaining! I will look into another muffler asap! I will have to save a lil cash before the dyno tune. Gotta drive outta town as well to get it done.

 

No, not another muffler. An entire catback SYSTEM. It replaces EVERYTHING from the y-pipe back - no reusing stock exhaust parts!

 

ok.

 

A PROPER heads and cam setup on a well prepped car can top 400rwhp, some even go over 420rwhp.

I think the 335 guess is in the ballpark for the hardware you have if you get a real tune.

Did you do ANY research before buying all this?

The HOT cam is proven safe and reliable but pretty badly outdated, valvetrain has come a LONG ways since then. And that is one of the better choices you made.

The Patroit heads, the MSD opti, the Hypertech I would not put on my car if they were FREE, they are not good products and you are really misusing the hypertech by trying to use it to tune a modified engine.

 

The mechanic I used said the patriot heads are a good set for street use & not super expensive. looked them up online & seemed good to me for the buck.He recomended the 1.6 billet rr's.Said it would help the cam. The Hot cam was a deal at 75 bucks. the hypertech tuner came with the car & the mechanic even said it was not that great & the car needed to be dyno tuned. The MSD ignition was also recomended by the mechanic. he said it was twice as reliable as the stock opti. His evaluation was 400rwhp AFTER proper tuning. So I dont know, guess as soon as i get funds for a dyno tune which is around what 500?, I will post the results. I know the car feels very strong & the stock clutch is slipping alot. Mechanic recomended I do a spec 2 clutch upgrade. Whats peoples oppinion on this??Jeesh, I figured how hard could it be to get power from this motor??? I just dont see why this car cant put down 400rwhp??? if it cant with what has been done & a dyno tune then these motors are really garbage................

 

Get it dyno'd and get back to us, maybe then you will listen.

 

Im listening bro....I answered your questions... And eventually I will get the dyno. Thanks for everyones help.

 

Being that you had the 96 heads; best lt1 heads for porting, your best bet for the cam and heads would have been http://advancedinduction.com/ or http://elliottsportworks.com/. If you have a auto you should buy a stall; yank ss3200.