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Dakota Performance
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MoPowa
Dodge Dakota
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7/24/2004
19:46:38

Subject: G Tech Pro Competition
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How accurate are these meters?

I have a 2004 2WD 4.7 Auto Dakota Club Cab with 3.55 gears. My only mod so far is 2 Magnaflow mufflers #14256 (too loud in cab, droned @ 1900 rpm) and #14616 (used as a resonator and experienced no loss, as instructed by Magnaflow Tech). I have been running my times in 80-90 degree temperatures at just a couple hundred feet above sea level.

I have been averaging runs of:

0-60: 7.30
1/8 mile: 9.32@74mph
1/4 mile: 15.27@91mph
Maximum HP: 171@4526rpm
Maximum Torque:192@4526rpm

I just wanted to compare notes to see how off these times really are/aren't.

Thanks in advance.



Sneezer
Dodge Dakota
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7/26/2004
10:58:05

RE: G Tech Pro Competition
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I'll let you know in a week or so. I am waiting for mine to be delivered this week.

Do you have the latest firmware upgrade?

Mine is a 1992 318. Not the same truck I know but might give you some indication on comparison. Also check out the 1/4 mile drag time section on Dakotausa.com. Might have some better numbers for you.



Ken
Dodge Dakota
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7/26/2004
14:41:20

RE: G Tech Pro Competition
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Looks pretty close to what you should be running, though they might be a little generous. A CC 4.7 auto should be running somewhere in the low-mid 15's. Looks like the mph is about right for the 1/4 mile time though. Think your torque numbers are way off though. Even with 25% drivetrain loss, think it should give you around 220-230 torque at the wheels. One reason I say this is your max torque is usually not at it's peak the same time the HP is at it's peak.



Sneezer
Dodge Dakota
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7/26/2004
23:11:10

RE: G Tech Pro Competition
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From what I can tell these units are extremely accurate, but they are entirely dependent on getting the weight of the truck correct. I plan on getting my truck weighed at a truck weigh station or something similar to get a good number. For ease of consistency I will probably go with a full tank of gas, since it is far more difficult to judge a 1/4 tank or so. That should help minimize differences between runs from a weight standpoint. Also make sure the accelerometers are correctly calibrated. You want it to register as close to 1.000 on the xyg scale.



crazy8888
Dodge Dakota
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7/27/2004
01:29:36

RE: G Tech Pro Competition
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Has any one used the G Tech Pro? You can by them pretty cheep are they worth it? thanks!



MoPowa
Dodge Dakota
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7/27/2004
11:27:40

RE: G Tech Pro Competition
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Sneezer, I checked the firmware version and date and it seems to be the most current (I think it's 3.0.1). The Pass software works pretty well with it. The only problem I had with the meter was that I had to download it from their site because the CD install kept coming up with an error code. No biggie.


Ken, I noticed that the torque numbers were way off too. My torque numbers are very inconsistent. Probably, my rpm baselines need to be calibrated again.


crazy8888, they normally sell for about $250.00. I got mine from JCWhitney at $200.00 + shipping and handling with the 20% coupon on the back of the magazine. JCWhitney charged $15.00 standard (7-10 business days) and $20.00 ground (3-5 business days).

At what rpm does the 4.7 Auto redline?

Thanks in advance.



Sneezer
Dodge Dakota
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7/27/2004
14:51:41

RE: G Tech Pro Competition
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The original G-tech Pro can be bought for around $50-75 these days. The newer one, the Competition model, is a far better unit. I just got mine yesterday and ran a test run on the onramp/frontage road next to my work. It registered RPMs and such fairly well. I have not weighed my truck, just used the published curb weight and estimated the cap and such. I think I put my weight at 4888 or so. 1/4 mile time was 15.2 I think. HP and torque were 192 and 288. This is a modded high mileage 318. Once I get the opportunity to weigh the truck I will make some more runs back to back and see what I can come up with. I also need to figure out a better mount than using the windshield.



Ken
Dodge Dakota
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7/27/2004
18:26:19

RE: G Tech Pro Competition
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4888 lbs on a Gen 2?? What you got, a 4x4 Club cab with cap, your family, and a bunch of mexicans in the back?!?!?!

A gen 2 CC 4x4 with cap should barely tip the scales over 4,200 lbs. My '97 CC SLT 5.2L with me (just under 200lbs), 1/2 tank of gas, and 125lbs+ of speakers/box weighed in at 4,380 on the scales at the track. Most Gen 2's CC's won't weigh in over 3,800 lbs. Also like to know what you did to that 318 to make it run 15.2 with that much weight. :)



Sneezer
Dodge Dakota
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7/27/2004
19:44:21

RE: G Tech Pro Competition
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My mistake. Memory is not always as good as I would like. I used a weight of 3988 lbs. Again, this is extremely rough as I am completely guessing at the weight. Until I get the truck weighed, all numbers are suspect. Looks like a cool toy once I get things sorted out.



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