All-Trac vs. MR2 Turbo vs. Stage IV Cobalt SS S/C

Road race, Auto X, or the Drag Strip

Postby vip09 » Mon Oct 23, 2006 1:13 pm

Sleeka_89 wrote:
vip09 wrote:
Sleeka_89 wrote:i just watched a couple of your other vids that you had with your gts, that thing sounds like its really reving hard and you smash those gears pretty hard :D . Just curious what sort of revs does it do 7500ish??


7500?? are you kidding? lol That engine is meant to rev HIGH. The stock rev limiter is 8400rpms. I had a standalone ems.. with rev limiter set at 8800 rpms.

8800, thats unreal :shock: . No big end problems at those sort of revs?


Nope.. valve float doesn't start to occur until around 9200rpms. MWR (MonkeyWrench Racing) is revving to 9100rpms on their shop car. Completely stock 2zz engine with turbo kit putting out 425whp.
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Best GT-S STOCK times: 1/4: 14.788 @ 94.98mph 1/8: 9.640 @ 75.87mph
Best Alltrac times: 1/4: 12.2 @ 115mph 1/8th: 7.9 @ 91mph
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Postby fhalperformance » Wed Oct 25, 2006 4:18 am

its 404whp on 93 pump gas. i just read a magazines that bashed the celica engine like it was junk. things as bulletproof as the 3sgte if you do it right.
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Postby vip09 » Wed Oct 25, 2006 4:27 am

simonsaysyousuck wrote:its 404whp on 93 pump gas. i just read a magazines that bashed the celica engine like it was junk. things as bulletproof as the 3sgte if you do it right.


The 2zz/7th gen celica gets put down by just about everyone... even on here and celicatech.

I remembered reading that after they made the 404whp, Matt took the car to the track and had turned the boost up a bit and was estimating power to be around 425whp. But yeah, the highest dyno was 404whp. That's pretty amazing for the 1.8L.
Best GT-S STOCK times: 1/4: 14.788 @ 94.98mph 1/8: 9.640 @ 75.87mph
Best Alltrac times: 1/4: 12.2 @ 115mph 1/8th: 7.9 @ 91mph
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Postby fhalperformance » Wed Oct 25, 2006 5:47 am

especially with the number of runs on it. they did what like 100+ 3rd gear dyno pulls revved out over 9k with all these drag runs and the only wrong with the engine upon taking it appart was a stripped 3rd gear. theres a mrs with a k20 engine swap in a magazine on the newsracks i was looking at and it pretty much was a 3 page bash on the 2zz the guy had previously installed with a turbo. youd figure editors for these magazines wouldnt rely on second hand information.
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'91 trac - 564awhp.
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Postby theUNYTEDone » Wed Oct 25, 2006 7:30 am

vip09 wrote:
theUNYTEDone wrote:only 275whp at 20.5 psi?!


20.5psi off that supercharger isn't the same as like 20psi off a gt35r turbo. Think of more like the vw guys pushing 20+ psi on their stock turbo and making close to 300hp.


ah...the supercharger fact slipped my mind while i wrote that comment...forgot about the HP robbing of the blower...sorreh! :doh:
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Postby db » Wed Oct 25, 2006 3:14 pm

I think he was implying that 20 psi off a big turbo isn't the same as 20 psi of a small turbo, in terms of power production.
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Postby Griffin » Wed Oct 25, 2006 4:29 pm

simonsaysyousuck wrote:its 404whp on 93 pump gas. i just read a magazines that bashed the celica engine like it was junk. things as bulletproof as the 3sgte if you do it right.


Not entirely - the ring lands on the stock 2ZZ are much more sensitive to detonation. The bottom end is quite stout otherwise though and the head flows very well. Only drawback is the displacement
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Postby vip09 » Wed Oct 25, 2006 6:40 pm

db wrote:I think he was implying that 20 psi off a big turbo isn't the same as 20 psi of a small turbo, in terms of power production.


Yes, that's what I meant.. thanks :)
Best GT-S STOCK times: 1/4: 14.788 @ 94.98mph 1/8: 9.640 @ 75.87mph
Best Alltrac times: 1/4: 12.2 @ 115mph 1/8th: 7.9 @ 91mph
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Postby vip09 » Wed Oct 25, 2006 6:43 pm

Griffin wrote:
simonsaysyousuck wrote:its 404whp on 93 pump gas. i just read a magazines that bashed the celica engine like it was junk. things as bulletproof as the 3sgte if you do it right.


Not entirely - the ring lands on the stock 2ZZ are much more sensitive to detonation. The bottom end is quite stout otherwise though and the head flows very well. Only drawback is the displacement


True, but anyone that's going to be looking for power is going to be changing out the pistons/rods anyway. While you have the engine apart, go with the 1zz crank, etc.. that'll get you up to 2L. Well, actually around 1.98 I believe.
Best GT-S STOCK times: 1/4: 14.788 @ 94.98mph 1/8: 9.640 @ 75.87mph
Best Alltrac times: 1/4: 12.2 @ 115mph 1/8th: 7.9 @ 91mph
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Postby fhalperformance » Thu Oct 26, 2006 12:28 am

the 1zz crank gets it up to 1.93L i believe. you have to go trial for the 1.99L (?) displacement.
'93 trac - V6TT project.
'92 trac - RHD conversion coming.
'91 trac - 564awhp.
'90 trac - fab car/snow build coming.
'91 mr2 - parting out.
'00 celica gts - custom wide body.
'01 mr2 - crazy build in progress.
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Postby vip09 » Thu Oct 26, 2006 3:20 am

simonsaysyousuck wrote:the 1zz crank gets it up to 1.93L i believe. you have to go trial for the 1.99L (?) displacement.


Yep, that sounds about right. I know the trial was supposed to be a true "2 liter".. around 1.99 or so.
Best GT-S STOCK times: 1/4: 14.788 @ 94.98mph 1/8: 9.640 @ 75.87mph
Best Alltrac times: 1/4: 12.2 @ 115mph 1/8th: 7.9 @ 91mph
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Postby Griffin » Thu Oct 26, 2006 5:29 am

vip09 wrote: True, but anyone that's going to be looking for power is going to be changing out the pistons/rods anyway. While you have the engine apart, go with the 1zz crank, etc.. that'll get you up to 2L. Well, actually around 1.98 I believe.



Yup - the only problem is you have to re-sleeve to change the pistons. The MMC bores don't work and play well with standard aftermarket pistons

My point is simply that its a bit pricey to build the bottom end, not by a hugemargin though.
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Postby toayoztan » Thu Oct 26, 2006 6:13 am

To put this topic a little back on topic :D

Great video! It was nice seeing the back of your alltrac from the cobalt haha. It ALMOST sounded like at the end of the 2nd video the guy said "i had the wind...." and i will finish it with ..."ows rolled down." :P

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Postby vip09 » Thu Oct 26, 2006 2:46 pm

lol. Yeah, he thought he was going to walk on me pretty hard. He said his car was pulling timing from the high IAT's. We are having a rematch in the cold weather :)
Best GT-S STOCK times: 1/4: 14.788 @ 94.98mph 1/8: 9.640 @ 75.87mph
Best Alltrac times: 1/4: 12.2 @ 115mph 1/8th: 7.9 @ 91mph
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