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#1 MR FIAT 6 SPEED TRANSMISSION
Posted: Mon Jan 18, 2021 4:12 am
by gtjoey
Has anyone had any experience with the 6 speed manual they sell?
Im calling for more details tomorrow.....Im running a 307 rear and the original 4.2 4 speed is fine but lacking at the top end.
GTJOEY1314
Thanks in advance.
#2 Re: MR FIAT 6 SPEED TRANSMISSION
Posted: Mon Jan 18, 2021 11:29 am
by Gfhug
Lacking what at the top end?! Unless you’re able to cruise at 100 mph, then what is lacking?
At 60-70 mph you’re nicely in the power and torque band and able to easily accelerate in 4th gear or drop down to 3rd for even more power/torque. And changing down to third makes a lovely sound as the engine really starts to sing

(though, maybe sing isn’t the correct word?

)
Geoff
#3 Re: MR FIAT 6 SPEED TRANSMISSION
Posted: Mon Jan 18, 2021 2:48 pm
by Doug Buchan
It's an interesting offering which I inquired about last summer.
It's a Getrag and it's rated @ 560Nm or 413 ft lbs
Here are the quoted ratios;
1.) 4.002
2.) 2.108
3.) 1.380
4.) 1.00
5.) 0.780
6.) 0.645
#4 Re: MR FIAT 6 SPEED TRANSMISSION
Posted: Mon Jan 18, 2021 4:04 pm
by gtjoey
Hmmmm thats what Im talking about.
Its a shame the 5 speeds are all taboo right now with issues, but my old world t5 from 15 years ago is the best in my red convert.
I called and left a message.
gtjoey1314
#5 Re: MR FIAT 6 SPEED TRANSMISSION
Posted: Mon Jan 18, 2021 4:56 pm
by Tom W
First gear is very low.
#6 Re: MR FIAT 6 SPEED TRANSMISSION
Posted: Tue Jan 19, 2021 5:44 am
by MarkRado
#7 Re: MR FIAT 6 SPEED TRANSMISSION
Posted: Tue Jan 19, 2021 8:26 am
by christopher storey
Very badly chosen ratios which will spoil the driving experience , particularly when compared with either the Moss or the EJ ( close ratio ) all synchro box . Both 1st and 2nd are too low
#8 Re: MR FIAT 6 SPEED TRANSMISSION
Posted: Tue Jan 19, 2021 11:28 am
by Heuer
So basically a six speed with four usable gears?
My T5 is still superb.
#9 Re: MR FIAT 6 SPEED TRANSMISSION
Posted: Thu Jan 28, 2021 3:55 pm
by gtjoey
I really havent recieved good feedback for the supplier or anyone else as well.
gtjoey1314
#10 Re: MR FIAT 6 SPEED TRANSMISSION
Posted: Thu Jan 28, 2021 4:28 pm
by malcolm
gtjoey wrote: ↑Thu Jan 28, 2021 3:55 pm
I really havent recieved good feedback for the supplier or anyone else as well.
gtjoey1314
I think the feeling is that the torquey XK engine really doesn't need a 6 speed box. 5 is plenty, and there are quite a few 5 speed options out there. Personally, I find the 4 speeds ok. Still get 23mpg overall, not too noisy on motorway cruising at 80mph.
#11 Re: MR FIAT 6 SPEED TRANSMISSION
Posted: Wed Jun 30, 2021 6:51 pm
by hpage66
Yeah, I saw that:
https://mrfiat.com/english/jaguar/other ... 61-71.html
Wonder which transmission it is? Anyone have one? Thx.
Regards,
Howard