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Old 09-07-2014, 02:48 PM   #5596
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Email Reflex about an RX4 chassis. They just got their own router so they can make one on demand nkw and it is a good chassis with or without their tow block conversion.
Yep, I did that in parallel I have a mixed history of getting responses from them, but I'm hoping they'll ping me back on this one.
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Old 09-07-2014, 04:32 PM   #5597
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hey guys,
I just picked up a nice used T4 '13, planning to run it in 17.5 stock.

I tried to put my Killshot in the car and it doesn't fit. Only way I can get 2 screws in it means it's pushing down on the chassis.
I tried to mount my Viper motor in the car and it was fine.
what am I doing wrong with the Killshot???

thanks
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Old 09-07-2014, 05:38 PM   #5598
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hey guys,
I just picked up a nice used T4 '13, planning to run it in 17.5 stock.

I tried to put my Killshot in the car and it doesn't fit. Only way I can get 2 screws in it means it's pushing down on the chassis.
I tried to mount my Viper motor in the car and it was fine.
what am I doing wrong with the Killshot???

thanks
Early killshots hat the bearing plate drilled wrong. You need a new one to fit properly. Or one from a dofferent trinity motor if you have one.
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Old 09-12-2014, 07:20 AM   #5599
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Anybody know where I might pick up a spec-r top deck mount? Everybody seems to be out.

SPR027-USX4

http://www.reflexracing.net/SPR027-U...T4_p_1794.html
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Old 09-12-2014, 09:34 AM   #5600
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You can call Trinity and they will send you a new motor end plate. Luckily my Killshot wasn't affected and it fit my T4 just fine.
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Old 10-18-2014, 07:45 PM   #5601
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Anyone try using the Spec-r gear diff? It is listed under T3/4 parts on the Reflex site but I can't get it to fit. Do I have to use different bearings or bearing holders?
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Old 10-18-2014, 08:36 PM   #5602
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Anyone try using the Spec-r gear diff? It is listed under T3/4 parts on the Reflex site but I can't get it to fit. Do I have to use different bearings or bearing holders?
I'm not sure if the Spec R gear diff will work but for sure you need to use the T4 bearing holders. The T4 bulkheads are closer together than T3 bulkheads.
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Old 10-18-2014, 09:30 PM   #5603
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I'm not sure if the Spec R gear diff will work but for sure you need to use the T4 bearing holders. The T4 bulkheads are closer together than T3 bulkheads.
I tried the SR gear diff in my T4 (came out of a 2012 T3)... no-go

Not sure what is required to make it fit, I quickly gave up.
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Old 10-19-2014, 12:55 AM   #5604
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I tried the SR gear diff in my T4 (came out of a 2012 T3)... no-go

Not sure what is required to make it fit, I quickly gave up.
The Spec-R gear diff (and spool) from the R1/S1/S2 will fit a T4'13 for sure, as I've had both, I don't have a T3 so I can't comment on that. Having said that, the Xray gear diff is nicer.
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Old 10-19-2014, 01:36 AM   #5605
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Originally Posted by nf_ekt View Post
I tried the SR gear diff in my T4 (came out of a 2012 T3)... no-go

Not sure what is required to make it fit, I quickly gave up.
you just need the bearing holders from a t4 as they have more of an offset
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Old 10-19-2014, 07:19 AM   #5606
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you just need the bearing holders from a t4 as they have more of an offset
Thanks, I'm currently running the t4 so I assume the bearing holders are correct. When installed the holders tightly wedge into the bulkheads but rub on both sides of the diff case.

Appreciate everyone's response.
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Old 10-19-2014, 08:18 AM   #5607
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Hi--when prepping a T4 for USGT--where are some good places to put weight in the chassis? Yes--I know I should use scales, but wondering if there's anything else I need to be aware of. Thanks!
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Old 10-19-2014, 08:55 AM   #5608
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Hi--when prepping a T4 for USGT--where are some good places to put weight in the chassis? Yes--I know I should use scales, but wondering if there's anything else I need to be aware of. Thanks!
It's all about weight transfer. If you put weight in the rear, that weight will want to transfer to the front when you brake or go off power, thus generating more steering. On power, that same weight in the back will already be in the back, so not much transfer and thus you'll have more on power steering while sacrificing some rear grip.

Weight in the front will make the car push more off power (less weight transfer to the front), and push on power (more weight transfer to the rear).

In general, these cars are built around the standard set of electronics. Most people prefer to place lead in the middle, under the belt, but you can use the corners as well. This is where scales as well as weight transfer characteristics come into play.

To sum it up... no easy answer. It depends on your electronics layout, setup and track conditions. I'd start in the center if you don't have scales, then move weight around as you observe the car behavior.
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Old 10-19-2014, 01:14 PM   #5609
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Great answer, thanks!
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Old 10-24-2014, 09:00 AM   #5610
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So, who makes an aluminum chassis for the '13? If no one, I was thinking of having one made up but the cost might make it not worth it. I am curious who else might be interested or is everyone jumping ship to the '15?
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