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Old 12-07-2018, 10:45 PM   #1
Mark Yacavone
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Default Re: Anyone try an Ecotec in Stock yet?

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Around 80 mph
As an example , the Monte went 85 mph with 200k on the clock, 2.93 gears , pure stock. We figured that was enough to run the index at the time, so we went ahead with it.
It ran 1.05 under @ 94 on the first pass.
80 is probably enough potential to get you under the index. Biggest problem will be getting enough torque out of it, with not enough gear.
Might want to check if you can get 13" or even14" wheels on it.
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Old 12-07-2018, 11:26 PM   #2
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Default Re: Anyone try an Ecotec in Stock yet?

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Originally Posted by Mark Yacavone View Post
As an example , the Monte went 85 mph with 200k on the clock, 2.93 gears , pure stock. We figured that was enough to run the index at the time, so we went ahead with it.
It ran 1.05 under @ 94 on the first pass.
80 is probably enough potential to get you under the index. Biggest problem will be getting enough torque out of it, with not enough gear.
Might want to check if you can get 13" or even14" wheels on it.
These are round track racing wheels but they are available in the right bolt circle pattern (4 x 100) and are approximately 12 - 14 lbs.

http://www.bassettwheel.com/legends_mini.html

Any advice on back spacing?

Having a harder time finding skinny front runners in that bolt pattern. Can anyone point me in that direction?

How did you go about tuning the computer Mark?
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Old 12-07-2018, 11:35 PM   #3
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Default Re: Anyone try an Ecotec in Stock yet?

We had Ed Wright remove all the limiters and the electronic transmission junk, and give it some more timing and fuel. Only tuning we can do is raise the fuel pressure, using an LT1 adjustable regulator. We use a mild street and strip style cam so that the vacuum signal is not outside of the parameters of what the computer can handle.
Stock ECM and coil pak.
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Old 12-08-2018, 12:04 AM   #4
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Default Re: Anyone try an Ecotec in Stock yet?

Are the fwd's allowed to use a K&N style cold air intake?
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Old 12-08-2018, 12:17 AM   #5
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Default Re: Anyone try an Ecotec in Stock yet?

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Are the fwd's allowed to use a K&N style cold air intake?
Don't see why not, as long as you don't cut any new openings.
It might go faster with nothing on it.
In the dime rocket tradition, we just gutted the stock air box of all the baffles and anti- noise devices, and opened up the front of it some more. Ours holds the computer in the lower part, so some of it had to stay anyway.
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Old 12-08-2018, 12:26 AM   #6
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Default Re: Anyone try an Ecotec in Stock yet?

Mike, are you referring the 2.4 Ecotec 4 cylinder engine?
I believe Mark runs the 3.1 V-6.


If you plan to run the 4 cylinder Ecotec, there are lots of different ECU platforms including standalone ECU's.
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Old 12-08-2018, 01:52 AM   #7
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Default Re: Anyone try an Ecotec in Stock yet?

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Mike, are you referring the 2.4 Ecotec 4 cylinder engine?
I believe Mark runs the 3.1 V-6.


If you plan to run the 4 cylinder Ecotec, there are lots of different ECU platforms including standalone ECU's.

Ours is the 2.2 liter L61.
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