TRD vs GM supercharger

[VibeDD]

Okay, I'm sorry if this has been posted before but I was just curious as to what the difference is between the TRD "kit" and the GM "kit". Since the motors are the same between the two cars, is it basically just engine management or are things mounted differently because the engine bays are slightly different, or what? Don't the GM kits usually go for a lot more than the TRD kits?Thanks for answering a n00b question, although I'm not really a n00b when it comes to tuning cars. I built an 11 second turbo Integra that I'm very happy with. The Vibe is just a daily driver that could benefit from a little more power.

[GrayFox]

well, n00b, first of all... j/kanyway, The only difference between the two kits is one has an expensive GM sticker. They are exactly the same. GM's price is around $2500 & TRD is something like $1500 (don't hold me to that but I'm pretty sure it's close).

[damronjr]

Just to clarify, EVERYTHING from the 2 kits are the same, 1 just has GM stickers over the TRD stickers and the GM kit has a GM Performance plate and the TRD has a TRD plate. Otherwise, they are identical. Everything in the Vibe is Toyota except the body.

[VibeDD]

WOW. I knew GM was shady, but I didn't think they were THAT shady. Would most of the parts from a Celica kit work?So Vibes and Matrixes have the same engine management I take it? Judging by the higher price of the GM kit, it would be a wise decision on their part to alter the electronics a bit so you HAVE to use the GM kit on a Vibe. But then again their business decisions over the last few years haven't shown too much intellegence, so I guess it makes sense.And by the way, if anyone has any questions about HONDA forced induction, I'd be more than happy to help out.

[Raven]

Corolla kit is the same but I think the Celica is different.

[GrayFox]

Celicas have the same engine (i think) so I don't see why it wouldn't work but don't quote me on that...

[Raven]

Quote, originally posted by ANO_Vibe »Celicas have the same engine (i think) so I don't see why it wouldn't work but don't quote me on that... It's the ECU which is different.

[northvibe]

TRD doesnt make a celica SC, i think greddy does make a SC for the celica though. but thats atleast 3-4grand, but then again you get a custom setup.

[damronjr]

The only thing you need to worry about is year (must be an '03/04 car it is being put on or you will need an adapter plate and an aftermarket ECU) and whether it is Auto/Manual as the manual has a different ECU and brackets.

[silver_vibe]

I thought the difference was that putting the TRD SC instead of the GM badged SC would void the power train warranty...of course, that may be the n00b in me coming out.

[northvibe]

i think using your car voids the warranty the power train covers just internal engine and tranny parts, some safety parts (seat belts) and the cat. converter etc. so unless they can prove the SC broke it...then it should be covered. but how do you prove the SC didnt break the internals of a engine? hard to do

[damronjr]

Quote, originally posted by northvibe »i think using your car voids the warranty the power train covers just internal engine and tranny parts, some safety parts (seat belts) and the cat. converter etc. so unless they can prove the SC broke it...then it should be covered. but how do you prove the SC didnt break the internals of a engine? hard to doThis is what I got when my engine blew, so read and take heed (btw, this came from corporate GM!):2 stipulations must be met to get the engine fixed:1) You must be able to prove that it is a GM Performace supercharger2) GM must have installed itThat is why I had to find a shell out $900 for a used engine and install it myself. GM would not have anything to do with it b/c I did not meet #2, I had a friend hepl me install it. Even though we did it exactly according to directions the same way they would have done it, they refused to warranty my engine.

[northvibe]

warranties on FI i think are becoming worthless. I have a friend in the market for a cobalt ss sc and some people on his site that go in for warranty work to the tranny or engine get denied! they just blame it on abuse and wont warranty the parts. its just stupid. even with the GM mechanics installing stage kits and paying for that labor that you could do your self they wont warranty it, thats just bs.

[VibeDD]

Quote, originally posted by damronjr »This is what I got when my engine blew, so read and take heed (btw, this came from corporate GM!):2 stipulations must be met to get the engine fixed:1) You must be able to prove that it is a GM Performace supercharger2) GM must have installed itThat is why I had to find a shell out $900 for a used engine and install it myself. GM would not have anything to do with it b/c I did not meet #2, I had a friend hepl me install it. Even though we did it exactly according to directions the same way they would have done it, they refused to warranty my engine.Do you know why your engine blew? If everything was installed correctly that shouldn't have happened, corrrect?

[damronjr]

Quote, originally posted by VibeDD »Do you know why your engine blew? If everything was installed correctly that shouldn't have happened, corrrect?To this day I have no idea why the rod snapped. Both ends were still moving freely (around the crank and the piston still slid up and down freely in the cylinder) and when I re-installed the S/C on the new engine I did everything exactly the same and have not had a problem like that since. I assume it is either b/c I was running WOT on a cold engine up a steep incline at 4am or b/c it was just a defective part. I am shooting more towards #2 (as I had done the same before numerous times on my way to work, and it wasn't completely cold, just only running for a few minutes after starting), but GM would never look at it to even try to figure it out.

[VibeDD]

That is very strange. I don't know much about the strength of stock 1ZZ rods (I'm a honda guy) but I do know that is is very unwise to be boosting a motor before it reaches operating temperature. It drastically reduces the longevity of the motor do to the properties of thermal expansion.

[damronjr]

Quote, originally posted by VibeDD »That is very strange. I don't know much about the strength of stock 1ZZ rods (I'm a honda guy) but I do know that is is very unwise to be boosting a motor before it reaches operating temperature. It drastically reduces the longevity of the motor do to the properties of thermal expansion.Then it is very possible it was my fault I guess.

[VibeDD]

I'm not saying that's the reason the rod snapped, I'm just saying that if you care about wear and tear on the engine, it's highly recommended to wait til the motor warms up before "getting on it." Aluminum pistons expand alot faster than iron cylinder walls under extreme combustion heat/pressure, therefore creating less than ideal piston to cylinder wall clearances (bad for rings) and in extreme cases motor seizure.