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Old 03-28-2009, 08:10 PM   #4666
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hey guys i am sellin a great compression max motor and a rd logics pipe with it send me a pm if interested
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Old 03-28-2009, 08:35 PM   #4667
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Old 03-28-2009, 09:57 PM   #4668
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Thanks Breezy. Champ which max motor do u have any pics. Let me know
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Old 03-29-2009, 07:16 AM   #4669
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Yeah Dan the paint job does look nice....were did you get your tires with the yellow rims?
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Old 03-29-2009, 07:46 AM   #4670
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Quote:
Originally Posted by etgdpu View Post
Hello all,
I set my 720'09 with the DJ's starting setup and I visited the local track for some practice. The grip was extremely low, because the track was very dusty. However, the car was consistent and predictable. I suffered from on power oversteer, which could be easily controlled if you compromised with a little lower lap times.
Could I have you feedback/answers to the following:
I did not install the extra 30grams in the front bumper and I used the plastic battery holder instead of the brass one mentioned by DJ in the setup. Do you consider those as big changes and how they will affect the car handling?
The proposed tire diameters 60.5/59 are intended for a 30min final? What is the lower limit for the tires diameter at the end of the final and what is the lower limit for their difference rear/front?
I used a Picco EVO3 engine and I had my clutch with the default fly weights, 31mm fly wheel, yellow shoe, 0.6mm gap, 0.1 end play and 1.5 spring preload. When the grip is there I use 0.7 gap and 1.6-1.7 spring preload. I don't have a complain with this set up but would you recommend something different?
Hypothetically, if I had to race with this low grip condition and I had to improve the on power oversteer on the corner exit, what should be my first change?
I had my dual rate set to 75%. Is it in the expected range for this setup?
Does the front solid axle use cause any king of premature wear on certain parts like front cvds or belts or anything else?

Thanks in advance
Dimitris

You should use the brass battery tray, and install the brass filler plate.
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Old 03-29-2009, 10:02 AM   #4671
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The dusty track is causing the oversterr on power. You can try to go lower in the rear diff oil. Maybe 10,000, also you could lower the rear lower pins, add more rear toe and add more rear camber. Just some ideas... Also with that motor I would run a .4 gap and with a dusty track gear it about 18/61 or 17/59 on first. This will help with the on power issues also.

Good luck,

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Old 03-29-2009, 12:06 PM   #4672
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hey does anyone know the best gearing for floyde bennet feild track i beleive its spelled
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Old 03-29-2009, 12:15 PM   #4673
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You might wanna try the stock gearing for now but still not sure as the layout has changed gotta wait and see, also gonna depend on which engine you run.
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Old 03-29-2009, 12:37 PM   #4674
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For Floyd Bennett Field, you can start with 61/56 spur and 17/22 pinion, if your running a Nova based motor.
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Old 03-29-2009, 01:58 PM   #4675
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Quote:
Originally Posted by dj apolaro View Post
The dusty track is causing the oversterr on power. You can try to go lower in the rear diff oil. Maybe 10,000, also you could lower the rear lower pins, add more rear toe and add more rear camber. Just some ideas... Also with that motor I would run a .4 gap and with a dusty track gear it about 18/61 or 17/59 on first. This will help with the on power issues also.

Good luck,

DJ Apolaro
Thank you guys for your feedback.

DJ, could you please comment on the:

1) do you consider a must for this setup the brass battery tray and the 30grams in the bumper? if yes, why?
2) tire size, do you intend to enter the 30 mins final with 60.5/59? what is the min acceptable diameter and difference rear/front at the end?
3) is the DR 75% in the acceptable range with this setup?
4) does the front solid cause premature wear to certain parts like front cvds or anything else?


//BR
Dimitris
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Old 03-29-2009, 02:02 PM   #4676
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Quote:
Originally Posted by Dreddlox View Post
You should use the brass battery tray, and install the brass filler plate.
What is the benefit of using the brass battery tray? I have never tried it.
Regarding the brass filler plate, my experience is that makes the steering smooth but the car becomes very very slow in the direction changes. Please correct me if I am wrong and give me some good hints on why I should use it and when.
Thanks once more
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Old 03-29-2009, 02:11 PM   #4677
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Quote:
Originally Posted by Serpent-Dan View Post
You could try the same setup with a front diff with 100k wt oil or higher. Also what springs are you using front and rear. Those tire sizes could be qualifing size.

I have to say that I liked the car with the front solid. I found it better (limited testing) than the 80.000K front and 20.000 or 30.000 rear.
Front springs new blue, rear springs old yellow, just because I found them closer to the recommended new orange, which I do not have at the moment.

I am not so sure if the tire size is only for qualifying, because according to my calculations for the specific track conditions, I could finish the final somewhere close to 57.5/56 and the car still has good ride height.
//BR
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Old 03-29-2009, 02:14 PM   #4678
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dan i replied to ur pm
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Old 03-29-2009, 02:18 PM   #4679
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Quote:
Originally Posted by etgdpu View Post
Thank you guys for your feedback.

DJ, could you please comment on the:

1) do you consider a must for this setup the brass battery tray and the 30grams in the bumper? if yes, why?
2) tire size, do you intend to enter the 30 mins final with 60.5/59? what is the min acceptable diameter and difference rear/front at the end?
3) is the DR 75% in the acceptable range with this setup?
4) does the front solid cause premature wear to certain parts like front cvds or anything else?


//BR
Dimitris
1) The brass filler will make the car stiff in the front, which in my own experience reduces the nervousness and allows it to be more controllable. The brass battery will make your car fill more stable in all parts of the track.
2) Tire size depends completely in your track. For instance, here we start with new rear tires and front tires split of 2.5-3mm. And even so, we almost end up on the rim
3) The dual rate is a good setting, I'd just suggest you keep it at 75-80 and adjust your car accordingly. If by anychance you are about to start the main, and you feel your car has alot of oversteer or understeer, you can easily fix this with dual rate.
4) I would say yes, remember its restricting the complete movement. But, if you add a drop of lubricant before going out in the front CVDs joints and in the solid axle's outdrives, youll see that there wont be any noticeble wear.
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Old 03-29-2009, 03:27 PM   #4680
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If you can get away with that tire size and make thru your main then go with it. Keep us posted on how the car is working for you. And Champ I replied to the pm. Thanks Endy those are from my stash.
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