LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Numbers/Track times I can hope for?

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Old 01-24-2013, 02:50 AM
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Default Numbers/Track times I can hope for?

So I was originally planning on a cc503 cam with my lt1 swap. But now that I know it's going to be a little longer than I thought before we do the swap, I've decided to pick up the LE 226/232 .578/.574 cam that Lloyd Elliot recommended me (I originally didn't want too because I didn't think I could afford a matching stall in the time that we would get it running). So I was going to ask what kind of hp/tq numbers I could see and track times I could run this summer (1/8th track). I haven't heard too much about this cam, i have PM'd a few people that have it though and they like it. I'm so excited about getting this thing running since its been sitting in my shed since last year so I'm really just blowing off steam here. This is my first project car and first pushrod motor so any comments/recommendations are welcome. I've wrote up tons of possible mod lists in the past month or so but this one is pretty much set in stone. Now I just need to update my signature lol. Here's a list of everything I plan on doing.dum

1996 z28 with 70k mile 1993 LT1 swap
Keeping OBD-II, vented opti, 1996 intake manifold, 24lb injectors
Port matched stock heads (Possible)
LE 226/232 .578/.574 cam
Scorpion 1.6rr non-SA
7/16 ARP Rocker Studs
5/16 Guide Plates
K&N FIPK intake
CSR Electric Water Pump
Pacesetter Longtubes
Offroad Y pipe
Borla muffler and cut-outs (Possible)
Rebuilt 10k mile 4L60E
3600 Torque Converter (Not sure on brand yet)
Stock gears for now but 3.73s as soon as funds allow
Drag radials on stock wheels
Plan on getting it street tuned by Greg's Tuning Operation in Sikeston, Missouri
Old 01-24-2013, 05:57 AM
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High 7's @ 90 mph, with the potential for low 7's @ 95 if you can get it well tuned and everything working right together.
Old 01-24-2013, 06:42 AM
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What gears are in the car now 2.73's or 3.23's either way it's not going to work very well with a 3600 stall I would put in a 2800. Also with a big stall you need an additional trans cooler or you'll burn up the trans, good luck with your build, have fun.
Old 01-24-2013, 09:53 AM
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I was looking into trans coolers too, just not sure which brand to get. And I'm actually not sure which stock gears are in it now. Would there be anyway to tell? And high 7's would be great

Edit: Just looked up that I need to find the RPO codes to figure out which gears I have. I'll have to do that tomorrow or Saturday.

Last edited by LT11996; 01-24-2013 at 10:28 AM.
Old 01-24-2013, 12:30 PM
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Originally Posted by bowtienut
High 7's @ 90 mph, with the potential for low 7's @ 95 if you can get it well tuned and everything working right together.
You think he can make mid-low 11s cam-only Pat? Good lawd.
Old 01-24-2013, 12:47 PM
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Originally Posted by RamAir95TA
You think he can make mid-low 11s cam-only Pat? Good lawd.
Should I have emphasized "if" ? ...lol!
He did say "hope"......and I did say "potential"
Old 01-24-2013, 01:39 PM
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Haha I like to be optimistic. I might do some weight reduction too, gut out the interior. But I'm really hoping that we will have time to match port the heads at the very least. How much do these cars usually weigh? T tops
Old 01-24-2013, 01:45 PM
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"match port the heads" has fail written all over it.
Unless you have an experienced and proven SUCCESSFUL porter working on the heads, I'd limit any work on them to just smoothing out rough edges in the bowl area.
You certainly have the right idea with "weight reduction". Can't go wrong with that one!
Old 01-24-2013, 01:45 PM
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This video fuels my optimism lol
Old 01-24-2013, 01:50 PM
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Originally Posted by bowtienut
"match port the heads" has fail written all over it.
Unless you have an experienced and proven SUCCESSFUL porter working on the heads, I'd limit any work on them to just smoothing out rough edges in the bowl area.
You certainly have the right idea with "weight reduction". Can't go wrong with that one!
Well my friend and his dad have been dealing with LT1s for years now and are currently swapping an LT1 into a '67 Impala which is why I can't get my car in their shop until that is complete. But his dad has like 30+ years of racing and building motors experience under his belt. But we were discussing that and it might end up with just smoothing out the rough edges in the bowls.
Old 01-26-2013, 01:02 PM
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Originally Posted by LT11996
I was looking into trans coolers too, just not sure which brand to get. And I'm actually not sure which stock gears are in it now. Would there be anyway to tell? And high 7's would be great

Edit: Just looked up that I need to find the RPO codes to figure out which gears I have. I'll have to do that tomorrow or Saturday.
If your shifter reads prnd21 you have 3.23's from the factory. If not its 2.73's.
Old 01-26-2013, 07:06 PM
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Say bye bye to the 10 bolt with some stickies on the ***.
Old 01-27-2013, 02:24 AM
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Originally Posted by grazi
If your shifter reads prnd21 you have 3.23's from the factory. If not its 2.73's.
Where would it read that at?

Edit: Looked all over the shifter and couldn't find that code, but I did find the GU2 on the door panel indicating I have 2.73s, which really sucks cause I was hoping I had 3.23s. Now I'm going to start shopping for 3.42s or 3.73s. Also, just talked to my friend earlier, he's looking at about 2 weeks or less before he gets done with the other car, then we're going to start the swap on mine. I'm so excited!

Last edited by LT11996; 01-27-2013 at 04:24 AM.
Old 01-27-2013, 10:11 AM
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Maybe if he posted it like this...

P
R
N
D
3
2

Like woah!
Old 01-27-2013, 12:51 PM
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Originally Posted by RamAir95TA
Maybe if he posted it like this...

P
R
N
D
3
2

Like woah!
Yeah that makes a lot more sense.. Well I have a friend with a 99 v6 firebird that has 3.73s that wants to trade rears.. Are they any different?
Old 01-27-2013, 03:13 PM
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Originally Posted by LT11996
Yeah that makes a lot more sense.. Well I have a friend with a 99 v6 firebird that has 3.73s that wants to trade rears.. Are they any different?
It depends on a few things.

If you have traction control you have 4-channel ABS...if you don't have TC you have 3-channel ABS. Whatever rear your friend has must be the same in order to retain the ABS function - otherwise you'll lose ABS entirely.

The wheel hubs on the 99 rear are slightly larger so they'll need to be ground down. Nothing a sanding wheel on an angle grinder can't fix.

Also typical V6 cars came with an open differential unless the car has the Y87 package which included an Auburn posi differential. I see he has 3.73s so there's a chance it has a posi to begin with.

Other than that it should be a pretty simple swap.
Old 01-27-2013, 03:51 PM
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Oh okay thanks for the information. I didn't know that. I'm not sure if I wanna do the swap though cause he said the gears wine pretty loud

Edit: Well I just talked to him again and he said the rear end came out of a 2002 SS Camaro and when he swapped it into his, it made his ABS light come on so I'm not sure which rear it is now.

Last edited by LT11996; 01-27-2013 at 04:00 PM.
Old 01-27-2013, 09:34 PM
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Look at the pumpkin. If there is a sensor on top of the differential (single wire connector) it has 3-channel ABS. If there is a sensor on each wheel hub then it is 4-channel ABS.
Old 01-28-2013, 06:09 AM
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I'm going to hold off on that for now, unless I come up on a cheap deal. Do you think the stock injectors will be sufficient for what I want to do? Or should I be looking for larger ones?
Old 01-28-2013, 06:48 AM
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The stock injectors are fine for your current power level.


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