Focus Fanatics Forum banner

1 - 8 of 8 Posts

·
Registered
Joined
·
47 Posts
Discussion Starter #1
Alright all, not sure if this is a stupid question, but doesn't sound like a lot of the "standard" symptoms of obvious problems like shift tower or cables.

About 3/4 of the way through our last Lemons race our trans had an odd issue crop up while out on track, trans couldn't shift in or out of gear all of a sudden. Got towed off track and throw-out sounded kinda clunky, so bled clutch slave and at a stand still it shifts into all gears "ok", not great, but can. Once its rolling over 10-15 mph you can't shift in or out of any gear. Ended up racing another 4-5 hours just leaving it in 3rd with zero issues (I even set our fastest lap times in this "configuration" go figure lol.

I have an ST trans I'm going to throw in it as the replacement, so haven't cracked current lump open yet, but does this seem like something funky with the shift tower? Doesn't sound like the pin shear issue and I would assume if the cables were that mucked up it wouldn't make a difference moving or standing still? Its all gears so its not like I lost a gear or a single syncro, so I'm assuming the trans itself is ok. Ideas? It will get fixed prolly in a week or two either way,new clutch, diff trans, new cables, but figured I would mull things over a bit first if there were thoughts along the lines of "oh its clearly this do-hicky dummy" thoughts

Thanks!
 

·
Registered
Joined
·
47 Posts
Discussion Starter #3
could very well be with the initial "issue" that cropped up, but I would assume I could get out of gear without the clutch, shifter will not budge when moving :shrug:
 

·
Old Phart
Joined
·
44,595 Posts
Good point, even if clutch was broke to lock up with RPM it should shift anyways with rev match. Didn't know how much it got tested.

Just seemed odd to lock up with speed/load and still work OK otherwise.
 

·
Registered
Joined
·
1,214 Posts
Just do what a friend of my dad did for a dirt track car, make an adapter to stick on the end of the crank and weld the input shaft to it LOL forget all that useless turning weight slowing you down. Just gotta rpm match

The racing we did you would leave it in one gear the entire race so it wasn't as needed, just needed bump started. That thing was fast btw
 

·
Registered
Joined
·
47 Posts
Discussion Starter #6
Haha yeah 3rd was almost perfect for NHMS, we just ran out of gear on the nascar straight (about 87 mph) then lugged a bit up the hill on the back end before the big bowl, but otherwise worked great lol. Just seems really odd that speed makes it worse... YET all gears shift at idle and super low speed (like 5mph). We thought we fixed it when we bled the clutch slave as we would bomb round the pits at low speed and could get in out out, then as soon as we got on track jammed in whatever gear we were it, can't get to neutral, nothing
 

·
Registered
Joined
·
369 Posts
Not knowing what the gearbox in the car came out of, the final drive of the ST trans is 3:82. Be aware of this as your prior unit may have had 3:42 which the majority of the manuals had. It could change your shift points when going back to a track you have been before. That said sounds more internal to the trans, shift forks or syncros or as others have said, tower.
 

·
Registered
Joined
·
47 Posts
Discussion Starter #8
The OG box is the one that was in the wagon. Actually was planning on using the ST box all along due to the ratio change. We tend to be low on power compared to the rest of the field, can corner decent, so anything we can do to make efficient use of what power we have on the sprint sections will be nice. On the nascar straight at Loudon we basically ran out of rpms about 3/4 down and bumping it fourth we didn't have enough track to get back into peak power so we dnot gain any speed. If we can get into fourth earlier with the higher drive i think we may gain some mph towards the end of the straight and should be geared a hair better for a couple of the other sprint bits :shrug: won't know till I try it!
 
1 - 8 of 8 Posts
Top