EVO trans upgrade
Thread Starter
|
6th Gear
Joined: Mar 2009
Posts: 13
Likes: 0
From: SOUTH CAROLINA
EVO trans upgrade
Have a 88 FLHTC and want to get a better cruising hwy speed. Any suggestions out there. About to do a tear down and ride to Milwaukee for the anniversary. The bike is #9 of the anniversary models that year and I thought I would ride it back "home".
Extreme HDF Member
Joined: Sep 2010
Posts: 14,744
Likes: 402
From: Phoenix '53, '88, '09 Big Twins
unless you have greatly upgraded the motor, you wouldn;t be able to make use of an overdrive tranny.
IF the motor has been built up, you can use a 6 into 5 gearset
you would likely have to change to the later clutch ( send me your old one for a spare for my 88)
I run a 61 T rear pulley on my FXRp ( built motor) and that works fine as it is a lightweight--- 15% overdrive ( requires a softail belt too)
On my 1995 FLHTC I had a 65T on for a while, but the stock 70T was better all around
Mike
IF the motor has been built up, you can use a 6 into 5 gearset
you would likely have to change to the later clutch ( send me your old one for a spare for my 88)
I run a 61 T rear pulley on my FXRp ( built motor) and that works fine as it is a lightweight--- 15% overdrive ( requires a softail belt too)
On my 1995 FLHTC I had a 65T on for a while, but the stock 70T was better all around
Mike
Club Member
Joined: Jun 2007
Posts: 45,429
Likes: 2,898
From: Bedford UK
I have a 1990 Glide, bought new. Living in the UK it was an International model and came with a 61T rear pulley. Too much man! I now run a stock US spec 70T, despite having an S&S 107 in it.
Your bike is already geared quite high and raising gearing further will hurt performance, also probably increase fuel consumption. In addition you will be changing gear more often and find difficulty getting away on hills. Personally I would leave it as it is!
If you do long hiway trips at steady speeds your bike will be fine. Mine is happy cruising at over 4,000rpm on German autobahns! If you are not happy or comfortable, then use earplugs. Best travel aid on the planet!
Your bike is already geared quite high and raising gearing further will hurt performance, also probably increase fuel consumption. In addition you will be changing gear more often and find difficulty getting away on hills. Personally I would leave it as it is!
If you do long hiway trips at steady speeds your bike will be fine. Mine is happy cruising at over 4,000rpm on German autobahns! If you are not happy or comfortable, then use earplugs. Best travel aid on the planet!
Thread
Thread Starter
Forum
Replies
Last Post
lemmeouttathiscage
Primary/Transmission/Driveline/Clutch
6
Nov 12, 2015 12:25 PM
cowboyfxst
Primary/Transmission/Driveline/Clutch
1
Nov 10, 2007 01:32 PM
