Who has one fitted to there BEC?

Whats your opinion of it?

lol @ the answers so far

never fitted one to mine. Clunky but worked.

dunno wy but i have one...

anyway i think that they don't make much sense due to the fact that to absorp that clunk you need something much less solid then that TRT tube wich resist allot of torque and BHP

tks

We have one fitted. The TRT effectively acts like the cush drive on the rear wheel of a motorbike and ultimately has to be kinder on the gearbox.

It doesn't remove the first gear clunk but it does sound less harsh with a TRT fitted.

Phil

Worth fitting if you're starting from scratch, although I dont have one and haven't blown a gearbox in 5+ years on the road (admittedly with more than one engine), so a lot is down to how you drive as well as having a TRT or not.

what is a TRT?

Torque Resilient Tube. Basically a tube within a tube bonded together with rubber.

Phil

Torque Resiliant Tube
a tube inside a tube bonded together with a rubber type meterial to act as a shock absorber

Yea but No but!

Not today, but sooooon

most important to minimialise the clunk is to have your clutch 100% working. its the sticking of the plates wich permits the force on the axle and thats what generates the clunk. on a hot/warm engine it really is less.

but if the trt already gives at a bit of clutch fraction?? what would it give on 200BHP??

i would buy it time after time but only for the sake of haveing it i have hat both fitted to
the same engine setup. both make noise

Tks

The clunk into first is the noise of the dogs on the gears engaging. If there is no 'give' at all anywhere in the transmission, the gearbox will take most of the shock. Motorcycles have a cush drive on the rear wheel for a reason, therefore it makes sense to give the transmission on a BEC similar characteristics by fitting a TRT propshaft. They're not absolutely essential though and they certainly won't stop the clunk altogether when first gear is engaged.

Phil

i didnt have ojne on my indy and i went through two second gears in the time i had it. I drove scoeyM's MNR that has an R1 engine with a TRT prop. his car has a much smoother gearchange and it felt like it was kinder to the gearbox

When I first threw my R1 at my Striker I didn't bother with a TRT for some reason. Then, a few months later the car was off the road for a few weeks, so I took the prop back to Dunning and Fairbank to get one fitted.

It made a big difference, making the clunk into first less metallic-sounding and the general gearchange was slicker.

So, I'd so for the extra £50+ quid when having a propshaft made it's worth every bean! It cost me just over twice that to get one fitted to my propshaft, but it would have been massively cheaper if I'd had it fitted during manufacture.

[Edited on 3/8/07 by Coose]