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Old 02-27-2014, 03:21 AM   #1426
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Thank your grippgoat for so many details. I noticed all and think about it. Also thanks to OVA.

I think i will order next week. The T4'14 looks really good.
the t4-14 is a better all round car as it works well in all conditions,the bd7 appears to only go well on med to high grip,a few have tried to run the bd7 in the winter champs and failed and changed brand,at the last meeting a very good stock driver with a bd7 was beaten by a t4 13 and a t4 14
it was around 8c track about 6 started damp and dried out,at my local track the bd7 only does well in the summer
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Old 02-27-2014, 02:05 PM   #1427
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I am new to xray, and is just in the process to build a brand new T4 14. Came to the point today, where i was putting the rear uprights on the rear suspension arms. All that went fine, but when i mounted the upper turn buckles, the the hole suspension was binding ?
I have made the tunbuckles to the specific lenght for the rear on 52.8mm from end to end, but it just was to short. I also checked that I have screw in the right holes, and I used the inner hole on the uprights, and the outer hole on the upper clamps.
Any surgestion of what might have been wrong ?
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Old 02-27-2014, 02:39 PM   #1428
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Originally Posted by Shock Tower View Post
I am new to xray, and is just in the process to build a brand new T4 14. Came to the point today, where i was putting the rear uprights on the rear suspension arms. All that went fine, but when i mounted the upper turn buckles, the the hole suspension was binding ?
I have made the tunbuckles to the specific lenght for the rear on 52.8mm from end to end, but it just was to short. I also checked that I have screw in the right holes, and I used the inner hole on the uprights, and the outer hole on the upper clamps.
Any surgestion of what might have been wrong ?
Have you put the correct driveshafts in the rear? they are shorter at the back
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Old 02-27-2014, 02:52 PM   #1429
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Originally Posted by Shock Tower View Post
I am new to xray, and is just in the process to build a brand new T4 14. Came to the point today, where i was putting the rear uprights on the rear suspension arms. All that went fine, but when i mounted the upper turn buckles, the the hole suspension was binding ?
I have made the tunbuckles to the specific lenght for the rear on 52.8mm from end to end, but it just was to short. I also checked that I have screw in the right holes, and I used the inner hole on the uprights, and the outer hole on the upper clamps.
Any surgestion of what might have been wrong ?
On my first T4'14 kit, some of the ball cups for the camber links were very very tight on the ball studs. You can feel this by twisting the camber link with your fingers. It should feel very free. If it's difficult to twist your fingers, then it's too tight on the balls. I'd first pop the cups off the balls and look to see if there are any imperfections on the ball. If it looks good, pop the cup back on and see if it's still tight. Sometimes popping a cup off will stretch it very slightly. If it's still really tight, try squeezing the cup with pliers.

If that's not where the binding is coming from, it can only be from the inner or outer hinge pins being too tight, or the arm mounts pinching the arms. Or maybe something with the diff outdrive if you've done something strange with the suspension mounts.

I assume you haven't mounted the anti-roll bars yet?

-Mike
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Old 02-27-2014, 02:54 PM   #1430
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Have you put the correct driveshafts in the rear? they are shorter at the back
Yeah, that too. You can tell front from rear, because the ones that go in the rear should say "7075" and "50mm" on them, and they're thicker.

-Mike
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Old 02-27-2014, 04:17 PM   #1431
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Just looked at the T4 '14........ all I can say is wow. Beautiful car and Xray did a great job on the website with all of the options.

http://www.teamxray.com/t4/
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Old 02-27-2014, 05:50 PM   #1432
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the rear diff oil,mistake? 1500?
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Cheers.

How much difference did running 15,000 in the rear diff compared with 2-3000 make?
15000 made the car have a much more corner speed and steering, especially into and out of corners. It also had a lot more forward traction, I did try 20000 also but that was a little too difficult to drive. The lowest diff oil I tried at HUGE was 5000, higher grip we always use heavy oil, as lighter oils "diff out". In Australia I Generally run anywhere from 2000-10000 depending on track grip

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Old 02-27-2014, 06:57 PM   #1433
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15000 made the car have a much more corner speed and steering, especially into and out of corners. It also had a lot more forward traction, I did try 20000 also but that was a little too difficult to drive. The lowest diff oil I tried at HUGE was 5000, higher grip we always use heavy oil, as lighter oils "diff out". In Australia I Generally run anywhere from 2000-10000 depending on track grip

Antoni
Do you think that would apply for a tight high-grip carpet track?

-Mike
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Old 02-28-2014, 12:01 AM   #1434
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I'm about to order my Xray.

Wich oil are you using in the shocks and diffs? When I was using my Yokomo I used GM oil.
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Old 02-28-2014, 12:16 AM   #1435
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I'm about to order my Xray.

Wich oil are you using in the shocks and diffs? When I was using my Yokomo I used GM oil.
Depends on your track surface and traction.
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Old 02-28-2014, 12:18 AM   #1436
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I know but wich company are you using?

GM, Xray or something else? I remember from my old days that they can hardly be compared.
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Old 02-28-2014, 12:33 AM   #1437
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Yeah, that too. You can tell front from rear, because the ones that go in the rear should say "7075" and "50mm" on them, and they're thicker.

-Mike
Rookie mistake , I switch the driveshaft by accident.

Thanks guys ! Problem solved I think.
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Old 02-28-2014, 12:46 AM   #1438
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I know but wich company are you using?

GM, Xray or something else? I remember from my old days that they can hardly be compared.
I run associated oils, because they're easy to get. I don't necessarily think they're the best, though.

-Mike
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Old 02-28-2014, 01:06 AM   #1439
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I know but wich company are you using?

GM, Xray or something else? I remember from my old days that they can hardly be compared.
I have mostly AE oils because they are cheap. But I also have Xray oils. AE oil is pretty decent since its all made by lucas oil now. I've certainly never had an issue with it or noticed any inconsistencies.
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Old 02-28-2014, 02:08 AM   #1440
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Arrowmax 7075 chassis
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