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Old 01-10-2010, 10:27 PM
Fredmburgess's Avatar
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Join Date: Apr 2002
Posts: 358
Talking '99 e300 chipped - yee hah!

Took the '99 over to Jeff Robertson at Rocket Chip Saturday and he installed a couple of new chips for his "RC1" first stage upgrade. Best $ I ever spent on this car! Now we've got two of them that just get up and move the instant you step on the pedal - no more waiting for 2500 rpm. This is the way these cars should run!

Last edited by Fredmburgess; 01-13-2010 at 09:55 AM. Reason: typo on Jeff's name
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Old 01-10-2010, 10:39 PM
compu_85's Avatar
Waiting for his Model 3..
Join Date: May 2008
Location: Springfield VA
Posts: 5,174
Rocketchip does make some nice software... I have his tune in my TDI. Whenever I ask him to twiddle with my benz or ECOdiesel he just gives me a funny look though

1991 350SDL. 230,000 miles (new motor @ 150,000).

2013 Fiat 500E. 20,000 miles, 80 miles at a time.
2012 Passat TDI. 95,000 miles. More space, power, and fuel economy than the Benz
2004 Touareg V10 TDI. 150,000 miles. One of 450.
1999 Jetta TDI. 310,000 miles.
1992 Jetta ECOdiesel. 156,000 miles. 1 of 48. Sold.
1991 Jetta ECOdiesel. 430,000 miles. 1 of 700. Sold to VeeDubTDI, totaled in front of our house
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Old 01-11-2010, 12:28 AM
michakaveli's Avatar
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Join Date: Nov 2002
Location: Columbia, SC
Posts: 1,721
Anyone know if they have a program available for the non-turbo E300's? The only other company with available software flash is SpeedTuningUSA. Just curious...
'97 E300
'99 E300
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Old 01-13-2010, 09:44 AM
Fredmburgess's Avatar
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Join Date: Apr 2002
Posts: 358
I'll ask (about non-turbo tuning) next time I talk to him. It will probably involve physically opening up the computer and replacing a couple of the chips as he did no mine. Still can't get over how much nicer the car is to drive now. Not a race car, of course, but the power just comes on and keeps coming. If you're cruising along at 65 and whack the throttle the power is there immediately and you're at 100. This could get expensive . Actually, the best part is the acceleration from stop or very low speed. Makes the car much nicer to drive around town in traffic.
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Old 01-13-2010, 09:59 AM
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Join Date: Dec 2009
Posts: 31
How much does this effect your gas mileage?

I wouldn't be surprised if it got better, at times when you aren't taking advantage of the extra power that is.
1986 300SDL 313K
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Old 01-15-2010, 12:41 PM
Fredmburgess's Avatar
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Join Date: Apr 2002
Posts: 358
Don't know impact on fuel efficiency yet. I'm sure it's lower at the moment but only because I'm having too much fun stomping on the pedal. Have an 1100 mile trip coming up next week and will see what I get from each tank.
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Old 02-03-2010, 11:52 AM
Fredmburgess's Avatar
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Join Date: Apr 2002
Posts: 358
Followup re: impact on mileage. Highway mileage has actually increased. Typically running with cruise on at about 73mph, 500 miles each way. Previously I was getting about 27.5mpg, now getting 29. Note that I also installed a hotter (85C) thermostat (stock T'stat for '96/'97 non-turbo E300) so that may also contribute to improved mileage.

Haven't noticed any difference in mileage around town but I don't track it as closely.

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