95.5-2004 Tacomas & 96-2002 4Runners 4th gen pickups and 3rd gen 4Runners

2003 Taco doublecab SC w/TRD Cat Back dyno result

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Old Jul 15, 2003 | 04:57 PM
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2003 Taco doublecab SC w/TRD Cat Back dyno result

Hello, everyone. New to this forum. I just got back from my dyno run on my Taco. I am pulling 207.9 RWHP and 231.5 TQ with 275/45/20 tires along with stock ECU and tranny. All my friends were surprised with the result. What about you guys? The four pulls were as follow:

#1 207.9 RWHP / 231.5 TQ

#2 207.5 RWHP / 231.0 TQ

#3 202.4 RWHP / 223.7 TQ

#4 207.5 RWHP / 231.2 TQ
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Old Jul 15, 2003 | 07:46 PM
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Sounds about right to me but then again I've never dynoed and I don't have a SC.
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Old Jul 15, 2003 | 07:50 PM
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I plan to get some dyno time soon on my new '97, but to be honest those numbers seem a tad low. Gadget is pushing 250 rwhp. I'm not sure of others and myself, but I'm hoping with water injection and 9 psi pulley to break the 300 rwhp barrier.

Chris
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Old Jul 15, 2003 | 07:59 PM
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I agree that seems a bit low. TRD says that the blower will push the hp up to 265. I know that can't be completely reliable, but I would think it should be at least close to what it actually achieves. If not they would have problems. Even if 265 was crank hp, there shouldn't be 58hp loss. That's way more than 15%...
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Old Jul 15, 2003 | 08:13 PM
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unless its a 4 banger taco
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Old Jul 15, 2003 | 08:14 PM
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but if it is a 6 cylinder tacoma it really doesnt sound right to have 207 RWHP.
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Old Jul 15, 2003 | 08:17 PM
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:pat: That's true, I didn't think of that. Just don't hear about too many s/c'd 4cyl around here.
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Old Jul 15, 2003 | 08:20 PM
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From: James Island/ChuckTown, SC
I thought TRD claimed the HP gain would be around 235 but i may be wrong...
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Old Jul 15, 2003 | 08:49 PM
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Hummmm... Truck Trend did a test with a superchargered S-runner, in comparison with a Ford Lightning and a Dodge Dakota R/T and here are the dyno results:

Dakota R/T 154.7 RWHP / 200.3 TQ

Ford SVT 303.4 RWHP / 350.1 TQ

TRD S-Runner 180.8 RWHP / 218.5 TQ


http://www.trucktrend.com/roadtests/...un/index4.html
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Old Jul 15, 2003 | 08:56 PM
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From: Daly City, CA
i remember that article because there was a complaint regarding the Dakota R/T saying that te dyno wasnt correct and should be redone. lol
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Old Jul 15, 2003 | 09:00 PM
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i know its printed in the article but a supercharged v6 tacoma is not putting out 180 horses. it just doesnt sound right because i dont think 50 horses in lost between the engine and the wheels. just my thought
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Old Jul 15, 2003 | 10:02 PM
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I thought the stock 3.4 v6 is around 155 RWHP and 190at flywheel (according to Dr. Zhivago)


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Old Jul 15, 2003 | 10:14 PM
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Originally posted by ravencr
Gadget is pushing 250 rwhp.
I thought Gadget was running bigger injectors and a fuel pump. I'm not sure what else he has. That could make up for the difference in Supercharged's RWHP and Gadget's RWHP.

What should the supercharged 3.4L, without any other mods, be putting out?

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Old Jul 16, 2003 | 06:41 AM
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From: Deep Gap, NC
I'm sorry to have mentioned Gadget's info. He's running larger fuel pump, injectors, and piggy-back computer, not to mention some other things, I'm sure. It's not a good comparison. Sorry!

Chris
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Old Jul 16, 2003 | 06:57 AM
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That sounds about right to me. In Jan, after I installed the SMT-6, my rig was at about 220 and that wasn't completely dialed in (look at my sig).
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Old Jul 16, 2003 | 09:29 AM
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Toyota only makes V6 doublecabs with automatics. So this has to be a SC V6.

Would the wheel size make a difference in the dyno?
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Old Jul 16, 2003 | 09:55 AM
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Originally posted by mgspann


Would the wheel size make a difference in the dyno?
Tire size does. In other words, overall diameter can affect the outcome of the dyno from one vehicle to the next.
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Old Jul 16, 2003 | 09:56 AM
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Originally posted by Supercharged
I thought the stock 3.4 v6 is around 155 RWHP and 190at flywheel (according to Dr. Zhivago)


183 at the flywheel on Runners, and 190 on Tacos (flywheel).
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