Nope. Better acceleration comes with BIGGER spur since this will make the FDR HIGHER. The effect of reduction or increase in FDR is greater when you change pinions. SMALLER pinion, FDR goes HIGHER.

Bigger FDR value, better acceleration. Smaller FDR value, better top speed.

In the way, the front Internal Drive Ratio does have a say when you look at the whole car's drive train...

The front Internal Drive Ratio = (35/19) x (22/22) = 1.842

Compare that to 1.875 in the rear, you will find that the front tires of the 710 is a little overdriven (front pulling the rear) when you use equal front and rear tires. That is why team drivers and some people here usually use and true the front tires a little smaller (about 1 mm) than the rear tires to get EQUAL front and rear TIRE ROLLOUT.

I don't know about Serpent making different pulleys on the 710. Perhaps a 21T side front pulley or a 23T rear side pulley... Or some people like Pyramid and Goldfinger also used the 46T rear diff pulley available from the 705 to change the overdrive of the 710...

On the 705, they made available different size pulley for us to increase the Internal Drive Ratio and hence the FDR. It also made it possible to play with overdrive and with tire split like what is done on the 1/8th scale cars.

A little tight but still can get in I think it would be ok (but pinions must all be installed first), but 3 of mine could not even get in (the bearing). If I did as you said, it woble badly, all three. I believe Goldfinger use a reamer to clear the tight space.

I think your problem with the pinions wobbling is due to the 5x10x4 bearing not sitting in the pinions properly.

I make sure that they go in right and flat by knocking it lightly in with a plastic tip hammer and a Hudy wheel nut wrench at the end on the bearing to press it in.

what I meant to ask was, i can make the car accel faster by using a smalled diff pulley in the rear?

alouthg the car will be driven more by the rear, correct?

A smaller rear diff pulley will make for smaller Internal Drive Ratio. This will make for smaller FDR which means less acceleration and higher top speed ! Besides the fact that you need to use a different rear belt too !

Yes, the rear will be overdriven = underdrive (rear pushing the front).

do people actually play with this stuff? it seems to complicated, and besides what good is a car that in underdriven or overdriven, dont we want the same at all time?

Also, is the 710 has a push from factory due to the fact that it is slightly overdriven, by making the car underdriven cant you aliviate the problem a bit?

In an ideal world and situation, same overdrive is required all the time. But this is not the case during racing when the rear tires wear faster than front causing different tire diameters front and rear.

Front overdriven car has steering on power. Pushes off power.

Underdriving the car will make it push on power and give you more off power steering.

I'm doing it (I still have the Vector NT to build up (i.e. engine and servo required), but I want to concentrate on 1/10th at the moment) Did you have to cut down your 705 GTP frontrammer, like Kevin said. I have the Impact one and it has no provision to mount the body pegs on it I'm going to order the 705 Rammer 808121.

Anything else I need for the operation?

Cheers, Mark.

SWEET, thank you Mr Cauley... I am sure you are the best article man on myTSN, there is none that compare, I have all your articles printed and filed for easy reference. Thank you and keep it up.

Yes, you need to trim the sides of the bumper to make it fit in the Lola shell.

The Impact one does not provide you with the body post mount but you could use your old broken or existing 705 upper bumper plate to use it as the front body post. See an old pic below that I had in my PC (not Mac )



To convert the 705 to use GTP body, you need 3 things... The GTP set 808150, the Impact rear shock tower 808139 and the GTP / CanAm front bumper 808121 or Impact's more durable Lola bumper 808120.

Cool! Thanks D Not bad for a PC

The 705 rear shock tower doesn't fit

What about the rear diff - do I need a diff with a GTP car? Is it better to use a solid axle like the 1:8ths?

I'm actually interested to know what you guys run as your servers...

You need the rear GTP shocktower so that the GTP rear floating mount will work correct.

If you're daring enough, you could use a rear solid. But for me, a rear diff would suffice !

Ooophs, sorry to the other guys about the 705 discussions.

Yes, I realise measuring the clutch nut to crankshaft would not make any effect anyway. I guess above is the best practice to do it.

Only the very best - here at work and at home Sun Workstations



Is the part number correct? I can't find it on mytsn



Then I'll stick with the adjustable - sorry from me, too

You are sooo lucky... Here we are running all windows workstations and servers... Servers are a mix of WinNT, 2k and 2k3... WinNT crashes if you look at it funny and then even if you dont... I wish we were lucky enough to have sun servers...