Rev limiter question

6799 Views 9 Replies 4 Participants Last post by FastEddie9, Jan 21, 2017

Todd

Discussion Starter · Nov 24, 2016

So I have 1100 miles now and have tried a couple of full throttle pulls, but it seems that sometimes it cuts out at 7800 rpm plus or minus.
Would anyone know why? The car was plenty warm when I did it so I doubt it has anything to do with temp

Any thoughts Modes? is normal limited to 7800?
Didn't see anything in the supplement.

thanks

Todd

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GT_Dave

· #2 · Dec 1, 2016

What do consider plenty warm?

if the oil temperature is not up to 186 degrees, the computer will limit your maximum revs.

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Todd

Discussion Starter · #3 · Dec 3, 2016

I will check that it is above 186, It could have been close when I tried it.

thanks

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Michael P

· #4 · Dec 4, 2016

Should be rev limited to 8250 And you get there very fast!!!!!

Mike

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FastEddie9

· #5 · Jan 18, 2017

Back in the day, small block Chevys were notorious for blowing the rear main seal ( cheap part, but a hassle to replace ) if revved too high before the oil had warmed sufficiently. I don't know if there are any specific problems with the Voodoo engine in this scenario, but I watch the oil temp and pressure gauges and take it easy until it's fully warmed up.

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Michael P

· #6 · Jan 18, 2017

FastEddie9--always a good plan. Warm things up first
Will I be seeing you at Summit Point in the future?

Mike

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FastEddie9

· #7 · Jan 20, 2017

Hey Mike. It's weird, but I've never been to Summit. I do plan to get there July 29 and 30 for the Hooked on Driving deal. So far, I've only run Daytona which was way more fun than I expected. I plan to hit several other tracks this year, and Summit Point is high on my list.

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FastEddie9

· #8 · Jan 20, 2017

Another note on warming things up first. I ran a couple of hot laps at Daytona then I had a strong vibration through 3 and 4. I thought I must have thrown a wheel weight. I pulled in and all looked fine. Then, I went back out and eased up to speed and it was fine. With the adrenaline flowing, first time on a road course in a long time, I forgot, my tires hadn't been heat-cycled. You gotta ease up to the limit.

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Michael P

· #9 · Jan 20, 2017

Fast Eddie9 I will be at the Summit point for sure on May12-14 (main track) June 9-11 (Jefferson) and Sept 8-10 (Shenandoah) with the Nations National Chapter of the BMW CCA. I have been running with them for 6 years plus and just became an instructor with them. They run a very safe and technique driven program. 4 tracks times per day, two class room sessions and a skid pad session each day. The first afternoon session is usually an exercise--passing for the D group and the others will be doing either off line exercise or no brake exercise (more fun than you would think). They really focus on technique--the speed will come as the technical skills grow. Some of the other clubs I have run with, are more interested in getting you out there and many times alone to learn. Not a problem as we always go with a group that can work together but I have always encouraged those new to HPDE to come to something like what this club offers. Just to build your confidence, etc. You are more than welcome to join us there. You can register at motorsportsreg.com Hope to see you there

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FastEddie9

· #10 · Jan 21, 2017

Mike, this sounds great and I'll do my best to get to Summit. I actually practice no brake techniques when I'm trying to max my mpg just for fun when I can't go faster. Braking just turns fuel into heat, LOL. It's all about driving technique for sure, driving ahead of the car and making smooth transitions. Bruce MacInnes ( Skip Barber ) was my first real instructor and he preached smoothness with "an economy of motion in the cockpit". Establish a smooth, well controlled rhythm and build speed. It saves the car and wins races. I'm blessed with an endless supply of twisty back roads to drive and work on these skills often. I'm looking forward to meeting you and driving with you. The GT350 isn't the best fit for me since I trashed my right ankle when a deer hit me on my street bike and I really need a DCT or slushbox as heel and toe is no longer doable. But, damn, the 350 is so much fun to drive, and cost me a lot less than a PDK Cayman or slushbox Grand Sport.
Ed

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