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Old 08-04-2019, 07:20 PM   #1
mblue240
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Default m47 shift knob on a t5?

I'm going to run the Summit shifter, but I'd like to stick with the factory shift knob. Anyone have a clever idea how to get them to mate together well?



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Old 08-04-2019, 07:43 PM   #2
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Threaded insert to match the threads on the Summit shifter???
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Old 08-04-2019, 07:59 PM   #3
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Spend a couple hundred doll hairs at a machine shop to have a threaded insert made.
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Old 08-04-2019, 09:43 PM   #4
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Great idea. Maybe a new project for STS.
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Old 08-04-2019, 10:05 PM   #5
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I have a crappy m46 knob that I didn't get around to throwing out yet if you want one for practice, PM me. Looking at it, without measuring anything, you would need to remove a small amount of plastic, then epoxy or otherwise fasten a threaded insert into it. You may be able to just press the insert in, I don't know the exact dimensions of course.
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Old 08-04-2019, 10:06 PM   #6
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I don't remember what is on an M46, was it a pressed on fit?
If so, would could you tap it for one of these?
https://www.homedepot.com/p/E-Z-LOK-...E&gclsrc=aw.ds
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Old 08-04-2019, 10:11 PM   #7
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It is pressed on splines. The splines are a white plastic with a raised locating "key" or raised slot to center it. Splined area is appox 16mm side to side, the raised key area side to side is 12.5 mm. It just happened to be sitting within reach here haha.
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Old 08-05-2019, 06:58 PM   #8
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Originally Posted by LC4CARL View Post
Great idea. Maybe a new project for STS.
That was one thought I had. It'll probably cost the same as the short shifter did.

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Originally Posted by 2turbotoys View Post
I have a crappy m46 knob that I didn't get around to throwing out yet if you want one for practice, PM me. Looking at it, without measuring anything, you would need to remove a small amount of plastic, then epoxy or otherwise fasten a threaded insert into it. You may be able to just press the insert in, I don't know the exact dimensions of course.
I have a few crappy ones too, that sounds like a decent idea.

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I don't remember what is on an M46, was it a pressed on fit?
If so, would could you tap it for one of these?
https://www.homedepot.com/p/E-Z-LOK-...E&gclsrc=aw.ds
Steve
This sounds like it will be my first trial.
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Old 08-06-2019, 11:30 AM   #9
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I'd just fill it with epoxy and a threaded insert
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Old 08-06-2019, 11:33 AM   #10
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Yep, JB weld is your friend here. Maybe even half-ass it more than using a threaded insert - coat the T5 threaded portion with wax (or something?) and then partially fill the Volvo shifter knob with epoxy, and then (shifter lever out, everything upside down) just sort of push the threaded portion into the puddle of JB weld, let it cure. The wax should allow the threaded lever to unscrew from the knob afterward.
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Old 08-06-2019, 02:57 PM   #11
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Old 08-06-2019, 03:18 PM   #12
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Last edited by Redwood Chair; 08-06-2019 at 03:23 PM..
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Old 08-06-2019, 11:14 PM   #13
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I'll post pictures when I'm done molesting my m46 shifter/knob. I'm using the stock mustang base and going to drill/shorten a m46 shift lever to create a standard length shifter for the 140.
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Old 08-06-2019, 11:27 PM   #14
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I'll post pictures when I'm done molesting my m46 shifter/knob. I'm using the stock mustang base and going to drill/shorten a m46 shift lever to create a standard length shifter for the 140.
please dont
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Old 08-06-2019, 11:28 PM   #15
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Old 08-07-2019, 01:40 AM   #16
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I can weld the m46 shifter rod to a flange that bolts on to the shifter. You would have to do all of the measuring and angle-ing to get it to work nicely with the rubber boot as that thing loves to pop a normal t5 shifter out of gear.
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My knob has a big chunk of steel on it
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Old 08-07-2019, 03:09 PM   #17
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I had an m45 shift knob on my Hurst t5 shift lever for a while, couple years even. I jammed it on and turned it until it was tight. Shift knob is soft, shift lever threads are coarse. Held until I un-threaded it and put a Delrin knob on it (which is much nicer to use)
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Old 08-09-2019, 12:35 AM   #18
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I bought a few of these. They were $2 each at Ace. I'll grind one down and try my hand at shoving it into my spare m46 knob.
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Old 08-09-2019, 10:58 AM   #19
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tap fit with a little epoxy and I bet you'd be all set.
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Old 08-18-2019, 03:24 PM   #20
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I'm here to spread the gospel of the M45 shift knob. A less sucky near-match to the M46/47 shaped knob. It's hard plastic instead of mushy rubber. I've used one on my M47s for years...it doesn't fly off on a good one-two shift.
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Old 08-18-2019, 04:53 PM   #21
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Plus when you use the M45 knob. You have a secret gear.
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