Are All Dbw Trucks Dogs On The Takeoff?

i ask becouse ive got a 05 crew, 4.10's with an auburn, long tubes, magnaflow, ngk's, msd wires, k&n cold air, trango shift kit, and a small cam
210 218 530ish, but the truck is an absolute dog up to 3k rpm. nelson tune did make it pull harder but still no bottom end. wont spin a tire. truck gets beat by stock 6.0 trucks with drive by cable and a 5.3 dbc is right on my arse! i should have 60-70 horses more than these stock trucks but the pound me on the takeoff. every cable operated throttle body ive driven has more takeoff than me. drove a stock 5.3 4wd today with 3.42's and its worse than mine, of course it should be its stock. but my point being, cable trucks seem peppier, and faster off the line than a drive by wire truck. comments anyone?.....gene

part is due to a cam and no stall...rest is due to a 5.3 and a 5000+lb truck...takes a lot of torque to get a big truck moving

mean05, thanks for the input. i agree on the wieght issue. but take in mind im comparing only trucks here. not my vette, or my ss. just trucks. have you driven both styles? did you notice a difference? i see a big difference.

the cam, i thought would be small enough to boost torque, not kill it. maybe my thinking is wrong on this one. it is actually one step smaller than what comp cams recommended for my truck, a daily driver with light mods that will tow my cars around. its a baby compared to my other vehicles.

im completely up for suggestions and comments.

well also check out the torque ratings from a 5.3 to a 6.0...5.3 does what 285 and 6.0 does 345...yes your cam is small but it will still kill the low end torque out a little...it did boost your torque just at a different rpm...look at getting a small stall like 2,600-3,000...i still tow with mine being a 3,000.

my last truck was an 05 SCSB Z71 and it was a complete turd out of the hole as was my SS until i did a tune and killed the ALL TM out of it...the stall didnt do much for my SS but it made a world of difference on my 5.3

I have DBW and my truck is a rocket out of the hole. Well to me anyway 1.9 60's with the right tires easy. Mean is correct, with all that truck you need a 3k for good digs

Quote:

---

Originally Posted by MEANGENE75

mean05, thanks for the input. i agree on the wieght issue. but take in mind im comparing only trucks here. not my vette, or my ss. just trucks. have you driven both styles? did you notice a difference? i see a big difference.

the cam, i thought would be small enough to boost torque, not kill it. maybe my thinking is wrong on this one. it is actually one step smaller than what comp cams recommended for my truck, a daily driver with light mods that will tow my cars around. its a baby compared to my other vehicles.

im completely up for suggestions and comments.

---

If you are in houston you could come by and we could log it to see if it is pulling timing out of the hole, and to verify throttle position is at 100% when you nail it. I live in Tomball so if you are close let me know. Keep in mind that with the heat we are having the power is going to be way down this time of year. Anyway at least you would have logs to send Allen.

so it seems the next best mod would be a convertor?

any opinions on the trailblazer inline 5 cylinder convertor? i like the fact its still factory.

thinking about it, convertor may be the answer. i noticed the truck sometimes stumbles hard when stopping. almost like its going to die, then catches itself and idles. maybe this is the idle speed against a locked vertor. just like coming to a stop in a standard without pushing in the clutch.

you need a live tune.

Quote:

---

Originally Posted by mcfarlnd

you need a live tune.

---

+1 on the tune and the stall

I feel your pain...got the tune, now i just need a stall

mine is a live tune. the only thing is we never went from a dead stop. all done rolling down the hiway, id slow down and punch it, allan would do his deal, we'd pull over. get going, punch it again etc. i cant remember ever coming to a dead stop and nailing it. alan has invited me back, but getting the time off to make the drive is tough. seeking advice here to see if the tune could be a little off, or if i have other issues in the combination. thanks for the input guys....gene

My '03 Yukon 5.3 is DBW, and is fast off the line. I think you need the stall converter to match your cam, and then retune. It should be an animal.

my stock extended cab 5.3 with a tune would light up the tires from a stop. and it had 3.23s at that time.

trailblazer convertor going in right now as we speak. see if that makes some difference.

lol that was quick

done! trailblazer convertor is in. will spin the holy shttttt out of the tires now. will stall up to about 2300 rpm with my combination. price was right and i like the fact its still a gm piece designed for durability. now im starting to see some light at the end of the tunnel. i think with a little more timing and less torque management it will be a runner.

good deal...i guess we knew how to help ya out :)

whats your timing at right now and how much TM is still in it?

not enough, and too much. no seriously i dont know. allan is the guy for me. whatever he put it at.

Nice to see you got your combo correct!! Now go abuse some tires.:burnrub:

Quote:

---

Originally Posted by AKlowriderZ71

Nice to see you got your combo correct!! Now go abuse some tires.:burnrub:

---

+1 and take a video :hyper2:

Quote:

---

Originally Posted by MEANGENE75

not enough, and too much. no seriously i dont know. allan is the guy for me. whatever he put it at.

---

Post up a good pic of your plugs ground straps and we wil let you know if you need more timing or not. As for the TM I think Allen sets it to pull down to 8-10 advance during shifts (this is for non built trannys). This is not bad considering stock retards it like 13 duruing the shifts.

gonna wait for any tuning, my new lq9 just got here! need to swap out cams, port heads and reassymble. ill take it back for tweaking after the swap is done. but for now, the convertor made one heck of a difference in take off and overall driveability. thanks for everyones input.

uhhh...correct me if im wrong but did they even put an i-5 in a trailblazer. I didnt think so????????

your corrected, did it for several years.

which years....because the only one I know of is the 4.2 i6

not sure on that. since im a chrysler dealer, i called my gm dealer, (we go thru the same guy in wholesale for the past 4 years) and explained that i heard the trailblazer was a good upgrade for a mild truck. he was familiar with my situation, rattled off a gm part # and said it came from a inline 5. i told him i thought it was the tbss convertor. he said it wouldnt stall any higher than a stock verter, but the one from an inline 5 would stall about 2600 behind a mild 5.3 or stock 6.0. i ordered it, came in a gm box brand new. installed it and now i can spin the holly sh#t out of my tires. great upgrade for the money. gm # is 24228708. if any of you guys work at a gm dealer, maybe you can plug in this number and see what exactly it fits to clear up this dispute.

$226 from Gm PArts direct. Doenst say what its from. You want the TC from an iline 6 cylinder engine.

The TBSS TC would actually stall lower than your stock TC.

I use the V6 S10 TC in my truck and get 2700 rpm footstall speeds at WOT, rear tires NOT turning. Stock L31 stalls at around 1500 rpm at WOT.

Nice gaisn in acceleration and much less rpm drop during WOT upshifts keeping my engine in its powerband instead of dropping below it. Same premise of the I-6 TC swap.

peace
Hog

Quote:

---

Originally Posted by MEANGENE75

not sure on that. since im a chrysler dealer, i called my gm dealer, (we go thru the same guy in wholesale for the past 4 years) and explained that i heard the trailblazer was a good upgrade for a mild truck. he was familiar with my situation, rattled off a gm part # and said it came from a inline 5. i told him i thought it was the tbss convertor. he said it wouldnt stall any higher than a stock verter, but the one from an inline 5 would stall about 2600 behind a mild 5.3 or stock 6.0. i ordered it, came in a gm box brand new. installed it and now i can spin the holly sh#t out of my tires. great upgrade for the money. gm # is 24228708. if any of you guys work at a gm dealer, maybe you can plug in this number and see what exactly it fits to clear up this dispute.

---

Excuse me if I ask a stupid question. Will that stall work with a 4l60e tranny. I've got a cammed 5.3l with a few mods and I have the same problem being a dog off the line. How hard was the install?

should get the same results i did. mine was in a 5.3 with a 4l60e as well. before the 6.0 swap. i did find out it is from a inline 5 trailblazer though not a inline 5. i stand corrected on this issue and aplogize for any bad info i gave out. hope noone was affected. i really like this convetor though works just as good with the 6.0, maybe couple hundred rpm higher stall with this, much torquier motor.......gene

The 4200 (4.2) is a 6-cylinder engine. They were made from 2002 to now. The 5-cylinder engine in the Colorado/Canyon is/was 3.5L and the 4-cylinder is/was 2.8L. See the similarity? Each cylinder 700cc. The Trailblazer came with a 6 or an 8.

The application is 2002+ S/T chassis with 4.2L engine. Full GM list is $387.78 + $100.00 core charge (may be able to skip that by turning in the old one).