Low lift truck cam daily n/a 11 sec Z28 I did this back in October last year and I decided I wanted to get some feedback on my setup and officially join the club, So feel free to qritique it if you want, it's a super simple OEM reliable setup I can drive anywhere. 2002 Z28 all original onyx black with saddle tan leather chrome snowflake t-top 3 channel A4 3.23 car 107,xxx miles. I'm the 2nd owner, I purchased the car in 2004 from elco Chevy with 36k on it and it went 13.16@107 bone stock, the car then did 12.80's easily on regular H rated tires with free mods and the slp 2otl catback that I wish I had kept on the car. Mod list today: Cut bottom of airbox away Throttle body coolant bypass Whisper lid/ with fram air filter installed (I forget to pull out) BTR stage III truck cam .5525 lift 218/224 duration @ 0.050 113+3 LSA Blue GM LS6 springs that came with cam from BTR Pacesetter 1-3/4 longtubes TSP catted Y-pipe 3" intermediate pipe Flowtech 3" cutout installed before the rear axle Magnaflow 12267 muffler Walker stock replacement tailpipes Stock original black rectangle Z28 spouts TCI 242932 SSF 10" (3500 2.5 str advertised) converter Hays sfi heavy duty flexplate Very mild mostly Original 4L60e lol Stock aluminum d/s and u joints Original 10 bolt housing with Summit girdle GM 3.73 gears Used LT1 style 3 series diff Front Suspension is all original stock Poly motor mounts Rear has $20 Monroe shocks Lakewood boxed lower control arms Spohn non-adjustable tube panhard bar Poly tourqe arm bushing on the stock arm 245/50/16 Nittos on a spare set of chrome flakes at 25psi at least a half to three quarters full of gas in it too on these runs. Car weights 3500 with a 1/4 tank without me in it so I'd say around 3750-3800 race weight lol https://cimg0.ibsrv.net/gimg/ls1tech...cd5518e0de.jpg |
Simplicity at its best and great results! |
Originally Posted by madmann26
(Post 20083608)
Simplicity at its best and great results! |
DA that night looks to be about under 300' above sea level. whats the tune setup on it, mail order or custom tune? nice ET but would of thought the trap speeds be a bit higher though given the 1.6 sixty and the 3.73s. are you planning on running a taller tire setup? |
Originally Posted by fst100
(Post 20084866)
DA that night looks to be about under 300' above sea level. whats the tune setup on it, mail order or custom tune? nice ET but would of thought the trap speeds be a bit higher though given the 1.6 sixty and the 3.73s. are you planning on running a taller tire setup? I have a good friend who has hp tuners. The car was street tuned with a good wideband and then he just touched up the timing a bit on a local mustang dyno. I'm going to see how far I can go on the stock wheels and stock size tires. I think I can push these nittos a bit quicker, plus I like that my car still looks completely stock. It's kinda my thing! |
you can go on dragtimes.com and they have a DA adjustment calculator that you plug in the track location and date and then select the time that you ran and it'll give you what the DA is for that point in time. edit-I agree on looking stock. I have a quiet factory catback with a cutout for when I want to get noticed lol. |
I wish I still had the factory Z28 catback in one piece to go behind my cutout, it's pretty much impossible to get the tailpipes in perfectl alignment again once they are cut off the original muffler Thanks for the info, I'll try and look at some of my earlier attempts and see what the weather was |
you just need to take it to a better exhaust/muffler shop :nod: also you can still find them around on fb marketplace or CL if you look hard enough, even can use the ones off the LT1 fwiw. mines so quiet ppl think its a v6 since I removed the z28 badges :jest: |
I'll keep looking for one. In the meantime I bought a new cam to try with a little more intake duration and overlap to better take advantage of the converter and I want to try disconnecting the front sway bar as well. My car is black and still has it's Z28 badges on it no cosmetic mods at all |
Very cool build man, I'm loving these more DD friendly type builds that fly under the radar a bit yet still run some impressive times. |
BTR:playboy: + Z28 :secret2: = :pimp: |
Originally Posted by Bad346
(Post 20085630)
Very cool build man, I'm loving these more DD friendly type builds that fly under the radar a bit yet still run some impressive times. |
Originally Posted by Tuskyz28
(Post 20085660)
BTR:playboy: + Z28 :secret2: = :pimp: |
https://cimg7.ibsrv.net/gimg/ls1tech...b0cf85d912.jpg I reinforced the stock exhaust outlets with 3/8" bar stock welded in, so in case it ever wheelies too hard, I just don't want it to mash them and restrict my exhaust flow |
https://cimg7.ibsrv.net/gimg/ls1tech...6b124eb033.jpg alright I'm going to swap BTR stage III truck cam in my Z28 for a another lower lift stick, the summit 8714. Then I'm going to get back to work on that Ferrari F40 I've been working on |
That summit cam is what I have been thinking about running in my carbed 6.0L S10. Please update when you have it up and racing! |
https://cimg9.ibsrv.net/gimg/ls1tech...4acc7e52a4.jpg
Originally Posted by master_glock
(Post 20089995)
That summit cam is what I have been thinking about running in my carbed 6.0L S10. Please update when you have it up and racing! |
Hard to say, the motor is also stock. But it runs 11.90s pretty consistently in my 3000 lb S10. |
Guys I've got the summit 8714 in the car and it is running great. I've been playing with the setscrew on the throttle body and got the car running pretty well, but I think if it becomes to inconsistent or doesn't want to start when hot or something I'll just drill a small hole in the blade so I can close it back some more for better tip in and to keep the idle from hanging. For now it Idles great at a commanded 800rpm swinging only about 50-60 rpm each way, it does sound pretty darn mean and it definitely feels noticably stronger than the other cam above 4k. I can't wait to get back to the track for a new best et! |
Wow! Your car is truly exceptional. You could probably runs 10's with a little squirt of nitrous. :thumb: |
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