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Old 07-29-2011, 03:01 PM   #205
medicineman
 
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thanks for the info. i did have another question reguarding the gears/diff. i was looking at the panchek (think that's spelled right) site and their site said my camaro had stock 345 gears. as i like spending money spinning tires, i was thinking about 373 or even 410 rear end gears but after reading your thread and feedback from others i'm really scratching my head. you spoke of quicker 60's; wouldn't "bigger" gears give you a better launch
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Old 07-29-2011, 03:22 PM   #206
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Air still too crappy to race in over there in GA? I'm thinking like 4000 DA stuff these days. Swapped on the water pump, how is it?
Yeah, no reason to race in 90* weather unless I have something new to test (or a grudge to settle ). The Meziere Electric Water Pump for the 2010+ Camaro does not fit the L99. :( So it's convert to LS3 or wait for the slim chance they'll do something to make it fit around the VVT front cover.

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Originally Posted by medicineman View Post
thanks for the info. i did have another question reguarding the gears/diff. i was looking at the panchek (think that's spelled right) site and their site said my camaro had stock 345 gears. as i like spending money spinning tires, i was thinking about 373 or even 410 rear end gears but after reading your thread and feedback from others i'm really scratching my head. you spoke of quicker 60's; wouldn't "bigger" gears give you a better launch
LS3/Manual Transmission Camaros have a 3.45 gears. L99/Automatics have a 3.27. I swapped out my 3.27's for 3.45's and love it with my 3200 stall Torque Converter.

For a Manual, people love 3.90's or 4.10's for a bolt-on car. If you start putting down a lot of power, some people go back down to 3.45's or 3.73's. Roasting the tires doesn't help.

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Old 07-29-2011, 04:53 PM   #207
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i suspect individuals who start these mods aren't worried about vehicle warranties but can i assume once someone starts, this voids any and all warranties? i would like at the very least to put the CAI and exhaust on.
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Old 07-29-2011, 06:15 PM   #208
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i suspect individuals who start these mods aren't worried about vehicle warranties but can i assume once someone starts, this voids any and all warranties? i would like at the very least to put the CAI and exhaust on.
The general feeling is that as long as you don't change the electronic tune, you will still have your warranty. Within reason, of course.

I was running mid-12's with no tune. So a CAI and exhaust you can add with no problems.

However, I would highly recommend talking to you dealer. Even though I have modified the tune, I am friendly enough with the dealer that we will look at it on an individual basis. All the rest of my warranty is intact, and if we have a motor issue related to my mods, I know that I'll be paying for it.

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Old 08-04-2011, 11:30 PM   #209
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Hi medicineman, welcome to the forum! I'm responding to your post here in my build thread.

Yes, the drone is with the Borla Touring exhaust. You will have no drone if you keep the stock exhaust.

Doing a CAI and exhaust like Borla is very easy and can be done by amateurs with basic tools. I like my Fastlane Pipeline CAI, but it does require a little extra work to move the windshield washer bottle. You can find CAI's that look great, fit great, and perform great and are easier to install.

If you go with headers, or even shorties and midpipes, I'd recommend having a shop do it for you. My shop helped me correct mine (small leak), so it's best just to have them do it.

If you get headers, most (like my JBA's) will come with one longer spark plug wire for the one exhaust that is closest to the wires. I put a heat shield on mine and it works fine now.

Hope this helps!

Padre
Your setup defy the odds. Many don't believe in shorty headers, but your numbers prove them wrong. I have Dynatech longtubes and stock exhaust and am not that impress with the headers. Did you notice any less back pressure with the Borla exhaust?
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Old 08-05-2011, 09:38 AM   #210
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Your setup defy the odds. Many don't believe in shorty headers, but your numbers prove them wrong. I have Dynatech longtubes and stock exhaust and am not that impress with the headers. Did you notice any less back pressure with the Borla exhaust?
There's another of those things that belong to the "common wisdom" (CW).

The CW says Shorties add little. I defied that.

The CW says a catback exhaust alone adds no HP.

I don't have any empirical data to suggest my Borla catback added any horsepower (aside from a 50lb weight loss).

But when I go heads/cam (soon? ), I may seriously be pushing the 11.5 roll-cage territory, and one idea was to add back the stock exhaust if I'm going too quick.

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Old 08-12-2011, 10:58 AM   #211
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A brief update: looks good for racing this Sunday, below 90*, so we'll see what she does.

After that, it's LS3-conversion and cam time. I'm pretty much decided on the LS3 conversion, simply because of the future options it opens up. The only L99 part that remains will be the lower compression pistons, which actually gives me more options on cam PTV clearance. I'll also be adding a two piece front cover to keep future cam options open as well.

The goal for cam selection will be to break the 11.5 roll-cage barrier. I think I can do it with a very streetable cam (we're looking at a few). If I do break the 11.5, I can always back off a bit to keep it legal before I cage it. Plus, many of the tracks I T&T at won't penalize me or breaking it. However, I want to run in some competitions this Fall (Valdosta in Oct. and Darlington in Nov.), and those events may be more strict.

Another possibility is to see what ported heads do to another car with one possible cam. I'm not sold on ported heads yet, but if the gains are significant, I may as well do it while I have the heads off. Only other change to the heads will be dual springs and associated parts.

Also, Meziere is sending spacers for their Electric Water Pump. We may try it on before we do the LS3 Conversion just to see if it fits. Kudos to Meziere for responding to a small need in the market (modded L99's keeping VVT). So, the Meziere will go on for the LS3 conversion.

And thanks to John at Atlanta Performance and Fabrication for consulting with me and helping me when we do the installs for all of the above.

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Old 08-12-2011, 12:44 PM   #212
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Thanks for updating, look forward to seeing how you do next time out.
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Camaro Now: Mods for the Masses Part I | Part II
13.15@106 1.95 | 100% Stock
12.37@112 1.85 | + Kooks Headers/Cats + 20" 555R + CAI + BW TB + UDP + Tune
12.06@113 1.70 | + CD 3200 + 18" NT05R + RCR Intake + NE OTR + GPI Tune
11.84@115 1.59 | + 3.91s + Race Star 17x7 Fronts
10.90@125 1.47 | + GPI VVT Cam + BW Ported Heads + CD 3800
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Old 08-17-2011, 12:25 PM   #213
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Did you go this Sunday?

Heres my opinion on the heads: these engine already have awesome heads out the box. There isn't much room for improvement. I know the combustion chambers can be improved upon, that's all I plan on doing to mine along with putting in the lighter ls3 intake valves. The chamber really needs to be unshrouded with those huge valves.
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Old 08-17-2011, 12:39 PM   #214
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Did you go this Sunday?

Heres my opinion on the heads: these engine already have awesome heads out the box. There isn't much room for improvement. I know the combustion chambers can be improved upon, that's all I plan on doing to mine along with putting in the lighter ls3 intake valves. The chamber really needs to be unshrouded with those huge valves.
I agree on the heads, which is why I'm not rushing to have them ported when I do a cam. But there is a similar build in the shop having it done, so I'll be able to see his results and decide.

As for this Sunday, the weather didn't break until Monday. :(

But I did receive my spacers for the L99 Meziere eletric water pump, and will install it soon.

And I may try to get out Friday night for some racing, we'll see.

Padre
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Old 08-17-2011, 12:47 PM   #215
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I agree on the heads, which is why I'm not rushing to have them ported when I do a cam. But there is a similar build in the shop having it done, so I'll be able to see his results and decide.

As for this Sunday, the weather didn't break until Monday. :(

But I did receive my spacers for the L99 Meziere eletric water pump, and will install it soon.

And I may try to get out Friday night for some racing, we'll see.

Padre
Would you mind if I ask where you race? Several of our members live up 75 and we're looking to do an event up that way!
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Old 08-17-2011, 12:54 PM   #216
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Would you mind if I ask where you race? Several of our members live up 75 and we're looking to do an event up that way!
Steele, Alabama. About 2 hours from the Atlanta area, go out I-20 west then north. From NW Georgia, I go I-75 to Chatt to I-24 and I-59 south.

http://www.alabamainternationaldragway.com/

On Friday nights, Street Night from 9pm to 1am CT.

On Sundays, T&T from 2:30pm to 7:30pm CT.

Sundays is better because it's not crowded and you get as many passes as you like. $35. Track is usually prepped well.

Fridays are fun, but the track is not great because of amateurs and street tires, plus it's crowded. $10. I haven't been in a few years, but it's fun to meet other racers and talk bull.

I'd love to see some other fast Camaros out there!

Padre
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Old 08-17-2011, 02:37 PM   #217
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I second that the heads aren't worth the $$$. I'm also waiting to throw my cam and springs in. I have them both sitting there staring at me, but I want to get a good run on my drag radials with just bolt ons before i put the parts in.
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Old 08-17-2011, 10:39 PM   #218
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Hey man sounds like we will be doing the new cam installs around the same time and are currently running the same times in the quarter. I'm really interested in seeing what you do with the cam to see how well the LS3 responds to it. I will be doing heads tho because my stock LS1 heads have been holding me back for a long time and its about time to change to a good set of 243's that are ported. What springs are you going to be using. Brand/etc
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Old 08-18-2011, 09:26 AM   #219
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Hey man sounds like we will be doing the new cam installs around the same time and are currently running the same times in the quarter. I'm really interested in seeing what you do with the cam to see how well the LS3 responds to it. I will be doing heads tho because my stock LS1 heads have been holding me back for a long time and its about time to change to a good set of 243's that are ported. What springs are you going to be using. Brand/etc
IMHO comp is the way to go on spring and camshafts.
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Old 08-19-2011, 11:38 AM   #220
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Thanks sir I just looked at their website and found a set that I'm going to get
/end thread jack
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Old 08-31-2011, 12:08 PM   #221
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Update?
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