just took her out for her first spin (: but it sputters at low rpm when I try and go wot from a stand still if I do a roll like at 3k and go wot it's fine. Could it be a timing issue. I have CATS and Free scan and I noticed the spark advance was 15-16 could it be the timing is too far back.

 

Did you tune it yourself for the heads and cam, using TunerCATS?

At what engine load (MAP) and what RPM is the advance 15-16 degrees? There's a huge table of spark advance as a function of RPM and MAP. Without citing both RPM and MAP, there's no way anyone can tell you if that is correct. And, is there any knock retard? That will reduce advance.

 

No knock and I havnt tuned it yet it's untuned. It's got new plugs wire coil opti

 

The 15-16 was at idle

 

What all did you use here? - maybe some of your ignition parts are causing this.

 

As I recall, you had the rockers cranked down so far the engine wouldn't even start. After guidance from several people, you indicated it would start and was running OK. Are you sure you have the valves adjusted correctly?

How big is the cam, since you haven't tuned it yet?

What is the RPM "at idle", and what is the MAP (can be read with FreeScan)? Incorrectly adjusted valves would affect MAP, and could cause the PCM to be pulling the spark advance off a part of the stock table where it would produce 15-16 degrees of advance.

 

For the rockers I had them too loose I went today and had to tighten a few and tighten the header bolts so tomm I'll crank it again and see how it runs and the cam is a cc465. The rockers. And the 15-16 was at 1k I didn't look at any of the values i just looked for a sec. I'll check it tomm again now that I tighten the rockers

 

https://www.camaroz28.com/forums/lt1...-start-849637/

F5rankly you are only getting a little help because people read your posts and dismiss you as hopeless. I mean trickflow heads an edelcrap intake and then you don't even say what cam it is when you exhibit a complete inability to adjust rockers then you expect it to drive untuned????????????? It sounds like a bad joke or a troll trying to stir the pot.
Did you go ahead and put larger injectors on it too? Untuned those can actually destroy an engine and IF this thing actually makes any power it would need larger injectors. If you cam was chosen with the same level of thought that the heads and intake were though it wont make any power so you might get by on stock injectors.

 

Well frankly its not a joke... I ask questions to learn.. I mean thats what questions are for right. I have never adjusted rockers so thats why I asked?
I didnt know I had to state what cam I have to ask a question im sure if someone needed to know what cam I had they would ask. (Just like Injunner asked and I replied to him the cam I have. So idk why you mentioned that cam but w/e. People have driven thier cars untuned with a new cam its just doesnt run at its best. I dont see any wrong with trickflow heads, yea thier not LE but its better then stock, as well as the intake, especially since my stock was messed up. I will be ordering larger injectors but Im short on money, and I spoke with TF,CC,ED they all said i will be fine with the stock injectors for now untill I run nitrous. and the cam is not a wild cam, ist CC465 look it up if you want, its even meant to run the stock converter.

 

At part throttle, you can drive the car untuned if you're easy on it and you should be ok, but it sounds like you're a little anxious and out beating on it. There is NO reason you should be going WOT until it's properly tuned...especially since you've done a h/c swap with stock injectors. Even with a mild cam, your injector duty cycles could be pretty close to maxed out and runt the risk of leaning out.

 

You should not be getting advise from those companies.
Edelbrock's entire topend package makes less flywheel power than a decent ported stock heads matching cam and untouched stock intake makes.


You plead poverty on the injectors but totalling what you bought up on Summit's website assuming the cheapest assembled Trickflows and using Comp lifters you spent over $2300, you could have done a whole lot better for less and I wouldn't put LE stuff on my car for free so that is not what I am talking about.

The lesson you need to learn is to research FIRST.

You can't expect it to run decent without a tune even with a mild cam like that.

 

Thanks walker, and 96 I only used edlebrock for one piece, and I didnt even pay for it so it doesnt hurt and I didnt even hit the $2000 mark on this build. Second this build was a fast build I needed the parts asap and summit got it to me in two days for free. Plus I never said I wanted to make beast out of my lt1 im happy with some extra hp and tq. Its my DD not a full blown race car. And I know it run at its best without a tune im not that stupid. I just wanted to know if running the car untuned would cause it to miss so much. I never asked for your thought on what I bought or could I have done better by buying this compared to that.