Went to the track, analyze my timeslip!
I can clearly see what everyone else is saying, but I also see some over analyzing as well.
I see a "decent" timeslip giving the conditions....
That is quite a biut different from what I forsee should he put his money where it belonged in the first place, suspension. Had he hooked an had traction that would have been a good timeslip.
A stall is a must with that cam, the rear gear is OK but it will make your stall bigger, say a 200 or so difference. I would put a quality 3-3600k stall in there and you may be bottom 12's (with suspension) posssibly in great air 11's, but that is extremely hopeful with the stock top end.
The 847 with those cubes on a stock top end is making a boat load of torque, so I could see why it is getting so squirrely lol
I see a "decent" timeslip giving the conditions....
That is quite a biut different from what I forsee should he put his money where it belonged in the first place, suspension. Had he hooked an had traction that would have been a good timeslip.
A stall is a must with that cam, the rear gear is OK but it will make your stall bigger, say a 200 or so difference. I would put a quality 3-3600k stall in there and you may be bottom 12's (with suspension) posssibly in great air 11's, but that is extremely hopeful with the stock top end.
The 847 with those cubes on a stock top end is making a boat load of torque, so I could see why it is getting so squirrely lol
I say you are choking the **** out of that engine. Get good ported heads/intake, gears and stall to complement your setup, tire, dyno tune and it should wake right up. There is no need to analyze this timeslip. Your setup is not complete and is not running correctly. Complete the setup, run it and then analyze your slips.
I bought the car as it sits about 2.5 months ago, and this was the first track outing.
The heads and intake ARE holding it back for sure, especially on the top end. I think that the car isn't breathing well at high rpms. Gears are definitely in the future as well. I need to talk to the PO as well just in case it DID have a different converter put in. As far as the 10 bolt and Drag radials, I'll probably get brave and throw a set of DR's on it next year, and expect the rear to fail. It will be a strange S60 or a Moser setup after that... along with PH bar, LCA's and a decent Torque arm relocated off the trans.
I thought it was pretty good for what it is... but maybe I'm wrong?
The heads and intake ARE holding it back for sure, especially on the top end. I think that the car isn't breathing well at high rpms. Gears are definitely in the future as well. I need to talk to the PO as well just in case it DID have a different converter put in. As far as the 10 bolt and Drag radials, I'll probably get brave and throw a set of DR's on it next year, and expect the rear to fail. It will be a strange S60 or a Moser setup after that... along with PH bar, LCA's and a decent Torque arm relocated off the trans.
I thought it was pretty good for what it is... but maybe I'm wrong?
I'm 100 percent sure on the 383 GM847. The previous owner bought the engine built from a guy that was going big block, and had the engine assembled for 2 years prior. They checked the cam and went over all the torque specs before putting the motor in the camaro last year. The trans was done this spring, right before I bought it. The only reason the previous owner sold it to me was because he wanted a Z06 like it was going out of style, but had to sell the camaro in order to be able to afford it.
This was my very first outing in the car. The only things I did to the car after it was bought was an Optispark and the rear tires. Thats how it sits now. I bought the car in late April, and this was my first time at the track with it.
This was my very first outing in the car. The only things I did to the car after it was bought was an Optispark and the rear tires. Thats how it sits now. I bought the car in late April, and this was my first time at the track with it.
TECH Regular
Joined: Jan 2011
Posts: 468
Likes: 0
From: Nw suburbs chicago
I dont think there a tq conv, that should be ur 1st think done, heads r important but the tq conv could possibly drop ur time by .5 sec. you will probably feel more satisfied with it then.
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I still say she runs pretty good, just get the suspension and stall and you will feel like you got a new car. Over time you can decide whether you want heads.
TECH Apprentice
Joined: May 2010
Posts: 333
Likes: 1
From: Arkansas
Man if you went 12's in your first outing in the car, congrats that kinda changes everything. hell I shaved 5 tenths of mine from first outing to my best run when it was a bolt on with hot cam. It takes time to learn your car, or it did for me.
However, it is clearly a HUGHLY miss matched set-up that folks are trying to help with.
I agree though, heads, intake, converter and some tires would really help a lot. Rear end gearing too. I'd be willing to bet those HUGE corvette wheels weigh quite a bit too.... unsprung weight is a killer. I'd be willing on dropping to a 17" if I could trade someone LOL
I think hugely is a good adjective. Mild bolt-on cars run 12s (some heavily worked cars even in the 11s) and trap higher. Certainly not trying to pull you down but realistically the car has a long way to go.
Mismatched? Yes. HUGELY? I would say not really, since it pulled 12's LOL
I agree though, heads, intake, converter and some tires would really help a lot. Rear end gearing too. I'd be willing to bet those HUGE corvette wheels weigh quite a bit too.... unsprung weight is a killer. I'd be willing on dropping to a 17" if I could trade someone LOL
I agree though, heads, intake, converter and some tires would really help a lot. Rear end gearing too. I'd be willing to bet those HUGE corvette wheels weigh quite a bit too.... unsprung weight is a killer. I'd be willing on dropping to a 17" if I could trade someone LOL
Those huge ZR1 wheels and dr's are terribly inconsistent also. 15" bias ply is the way for a manual
So were looking at a 383 with stock heads and a gm847 cam, stock stall, 3.23 gears on 18in street tires and a new driver w/ a DA of 2300 on that day. Its fine for now. 3.73's, 3600stall, drag radials and a optimum tune, wheres it shifting at? Even w/ stock heads it should be set at, at least 6400 plus. Different weather and better driving I cant see how you wont be at bottom 12's or better. When funds allow get some matching heads and 11's are no ? for you...
Last edited by pancho toco loco; Jul 13, 2011 at 07:19 AM.
