Series II L67 O-60 speeds - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


Performance, Brainstorming & Tuning Talk about modifications, or anything else associated with performance enhancements. Have a new idea for performance/reliability? Post it here. No idea is stupid! (please use Detailing and Appearance for cosmetic ideas)

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Old 06-13-2003, 02:03 PM   #11
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My L67 is right around 5flat 0-60.
Total wieght with me in the car is 3500lbs-I just weighed it yesterday at the track.
_________________
OH YEAH! It'* fast!
I think they wanted to know about what it would do stock. There are many people with GTP'*, Regals, etc... that can do it in 5 seconds flat or less. You don't get much faster than 5 flat with a FWD car though, the tires just spin. It is about 4.6 in our GTP, and about 6.5 in the SSEi.

BTW 13secGTP, I am just curious, what are your mods and PB?
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Old 06-14-2003, 02:22 AM   #12
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1) The SSEi has very harsh traction control that will pull timing (give you KR) if the tires spin at all, no matter if the traction control is on or off.
2) The SSEi was designed to handle good so it has a close to 50/50 weight ratio.
The weight distribution is 59.1 front and 40.9 rear.

I thought you said your Mom didn't race the SSEi with or without slicks.

I do agree with some of what you said though. You will only lose about 1/10 of a second for every 100 lbs of weight. The other time is lost to the factors you mentioned.

I wish it was all aluminum in the front end but only the hood, bumper and control arms are.
Rear control arms and bumper are aluminum too.

I know GTP'* are faster mod for mod for a lot of reasons but I like the Bonne'* better because they have more luxury and convenience features. A better, roomier car in my books.
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Old 06-15-2003, 02:03 AM   #13
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I know GTP'* are faster mod for mod for a lot of reasons but I like the Bonne'* better because they have more luxury and convenience features. A better, roomier car in my books.
I completely agree! I would take an SSEi over a GTP anyday, including having to pay the extra money for the SSEi. The SSEi is so much more quiet, comfortable, smooth, roomier, and nicer. It has so many more luxury options than the GTP you would not believe it. Every time I look at the SSEi I say, damn why couldn't they do that to the GTP. The best thing about the SSEi that the GTP doesn't have is the seat memory. But since my mom only has 1 car, and my dad has 3 hers has to be nicer. (Although nicer is obviously not faster) I would make a list of all the things that the SSEi has that the GTP doesn't but I would be here a long time so I wont.

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I thought you said your Mom didn't race the SSEi with or without slicks.
That would be why we bought street legal slicks.
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Old 06-15-2003, 03:27 AM   #14
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That would be why we bought street legal slicks.
My stockers are starting to wear. What make and size did she get?
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Old 06-15-2003, 03:58 AM   #15
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We don't run the slicks daily, as that would be expensive because they only last a few thousand miles. We put them on when we do autotaps and when we just wanna go have some fun. The slicks are mounted on 16 inch wheels so we can use them on both cars, and they are lighter and give the SSEi better gearing for the 1/4 when we have them on it. The tires we use daily unfortunately are the same kind of tires that came on it stock, although they aren't the original tires, we replaced those 6 months ago. They are Eagle RSA'*. They suck, and they cost too much for how crappy they are. My recommendation is to NOT get them when you get yours replaced. We are going to be putting probably Eagle F1'* on the GTP, and although it is an expensive tire, it is VERY grippy, and it a very nice tire. The slicks are Mickey Thompson ET Streets if you are interested in getting a pair. They are 16X10.5 (smaller wheels = shorter gearing + lighter wheels = faster 1/4 miles) The stock tires provide no grip and just spin like mad under more than 50% throttle at lower speeds.

BTW, I noticed you have an AutoTrans Interceptor. I am sure it does exactly as you want, or you wouldn't have it, but we used to have one on the GTP and we got rid of it because it is very hard on the transmission, it worked very good, and shifted very nicely. Yes it gives you nice firm shifts, but you are always running the increased line pressure, and that is hard on the tranny. My suggestion is to sell it and get an internal shift kit, because not only are they cheaper, but they only shift harder when you are driving harder, and it will not be as hard on your tranny. If you are just driving around town it won't shift much harder than stock, but it will shift great at WOT. It will also give you a chance to change out transmission fluid which wouldn't be a bad idea since it is now a few years old. Yes, it is more work to put in an Internal shift kit, but the benifits are so much better, and they are cheaper. In my opinion it is definately worth it. I am not trying to sell you anything, because I am not a buisness, I don't sell them, as a fellow SSEi owner I don't want you creating wear that frankly doesn't need to be created, because I want your (and everyone elses) tranny to last as long as possible.
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Old 06-15-2003, 04:11 AM   #16
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BTW, I noticed you have an AutoTrans Interceptor. I am sure it does exactly as you want, or you wouldn't have it, but we used to have one on the GTP and we got rid of it because it is very hard on the transmission, it worked very good, and shifted very nicely. Yes it gives you nice firm shifts, but you are always running the increased line pressure, and that is hard on the tranny. My suggestion is to sell it and get an internal shift kit, because not only are they cheaper, but they only shift harder when you are driving harder, and it will not be as hard on your tranny. If you are just driving around town it won't shift much harder than stock, but it will shift great at WOT. It will also give you a chance to change out transmission fluid which wouldn't be a bad idea since it is now a few years old. Yes, it is more work to put in an Internal shift kit, but the benifits are so much better, and they are cheaper. In my opinion it is definately worth it. I am not trying to sell you anything, because I am not a buisness, I don't sell them, as a fellow SSEi owner I don't want you creating wear that frankly doesn't need to be created, because I want your (and everyone elses) tranny to last as long as possible.
Yes, I agree with you. I don't really like it and do intend on replacing it with a shift kit when I install a LSD in about 3 years when the warranty is up.
For now, I have it turned down so the pressure is just noticeably harder. It is very annoying at light throttle, when I have it turned up to higher pressures, when it changes from 1st to second gear. Much too harsh. I only turn it up for the odd performance blast.

Thanks for the advice.

I would never go with the stock Eagles. They are crap, and only H rated. F1'* are good or maybe Yokohama'*. Shudder...that sounds Ricey.

What aspect ratio did you go with the 16" x 10.5 (265 ?) MT slicks? 40?
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Old 06-16-2003, 04:13 AM   #17
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BTW 13secGTP, I am just curious, what are your mods and PB
Quote:

Mods - go fast wise:
Intense Stage 1 cam
ZZP Stage 4 blower housing
3.25 */C pulley
3.29 gearing
C-Ya LSD
FWI
DHP V1.0 with some costum tuning (cam/gearing)
weight reduction (3500lbs with me in it)

Soon to come:
slicks
headers(SLP)
full exhaust
LS1 T/B
3.0 pulley
ICCU

And my P/B [email protected] 2.14 60ft at Norwalk Raceway ,OH
Best 60ft 1.926 on street tires-got that 3 weeks ago. Average about 2.07s
I know the car has more left in it if I could get traction ALL the time (13.20s?)
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Old 06-16-2003, 04:14 AM   #18
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I guess I did that backwards-oops
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Old 06-16-2003, 03:16 PM   #19
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Yes, I agree with you. I don't really like it and do intend on replacing it with a shift kit when I install a LSD in about 3 years when the warranty is up.
For now, I have it turned down so the pressure is just noticeably harder. It is very annoying at light throttle, when I have it turned up to higher pressures, when it changes from 1st to second gear. Much too harsh. I only turn it up for the odd performance blast.
I don't think a shift kit would void your warranty if the Interceptor doesn't, and I also don't think an LSD would, because they wouldn't know it was one, and LSD looks exactly the same as the stock diff. and in 3 years the Interceptor may have already ruined your tranny. I think if you took 2 hours of your time to put in a shift kit, you would be much more pleased. Just my opinion though. Without a shift kit the Interceptor is much needed though, otherwise the shifts are really wimpy and mushy.

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What aspect ratio did you go with the 16" x 10.5 (265 ?) MT slicks? 40?
I do not know, as they are not measured like normal tires. The sizes are strictly in inches. 16" Wheel X 10.5" Wide X 26" Tall. So at full inflation (30psi) they are 26" tall, although for optimal straight line traction inflatiion is about 13psi and they are 24.5-25" tall with that inflation which makes them the same size at this inflation as the stock tires are at 30psi. We bought them for the GTP so they are the same size as the GTP tires which are 25 inches tall at 30psi inflation when on the car, we just use them on the SSEi from time to time because we can.

Quote:
I guess I did that backwards-oops
Yes, and you can go in and edit it to fix it too. You click on quote, paste in the quote, then click on quote again. Once you figure it out it is fairly simple.

That is actually a pretty good set of mods you have. All you need to do is run a 3.1 or a 3.0 pulley, which you should be able to do with a cam with no KR, although it is a little cam so that may not be the case, and run some slicks to get some decent launches, and you will be like 13 flat or 13.1. With an intercooler you would be as fast as us! What you should do is put in some 1.75 rockers, since you can with your cam. That would make some difference, and would take advantage of your exhaust once you get it installed.

We are trying to see how fast we can get with the stock cam and stock gears. That is why we have a lot of mods, and it ain't very fast, although I am not saying 12.78 is slow, but the stock cam is very limited and with an aftermarket cam like the IS2, VS, XP, or Thrasher it would be running very low 12'* if not high 11'*. It would be faster right now, but the stock fuel injectors are running static so it isn't getting enough fuel. When we get the Lucas 42.5lb fuel injectors installed on Saturday (hopefully), the car should be FAST. My prediction: 12.6'* with a good launch.
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Old 06-16-2003, 03:54 PM   #20
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I just have a goal of 12s by the Nationals. 12 what? I don't care- 12.99 and I'd be happy.
The car has an awesome 1/8 mile time it just slows a little on the back end.

I was running a stock cam (1.9 rockers) with a 3.0 pulley last year ([email protected]) with very little KR. I'm prolly not going to do that again until I get some headers. And I'm just going to go with a bigger cam instead of buying rockers again. Its just cheaper to do the cam and only takes a few more hours to do.
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