3 speed on the column conversion?
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From: York Pa.
3 speed on the column conversion?
I have been working on the 302 engine in my 1976 F-100 and I got it running pretty good now. So when I take it out to hot rod it I have issues going from 2nd to 3rd because the column shifter is worn out. I'm thinking about going to a Hurst floor shifter. Am I stuck with a 3 speed or is there a economical way of going from a 3 speed to a 4 speed?
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From: Gilmer, TX.
3 speeds and 4 speeds are both 1-1 final drive ratios. If you're going to a floor shift anyway, get a 5 speed out of a newer style truck and get overdrive. The ZF-5 is probably a bit much for an F100 with a smallblock, but one of those Mazda 5 speeds that they put in the F150's in the late 80's to early 90's would be great. Much nicer to drive on the interstate, and much easier on the fuel tank.
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Elder User
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From: York Pa.
3 speeds and 4 speeds are both 1-1 final drive ratios. If you're going to a floor shift anyway, get a 5 speed out of a newer style truck and get overdrive. The ZF-5 is probably a bit much for an F100 with a smallblock, but one of those Mazda 5 speeds that they put in the F150's in the late 80's to early 90's would be great. Much nicer to drive on the interstate, and much easier on the fuel tank.
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From: York Pa.
Thanks, does the T-18 come with a long shifter in the middle of the floor board? If so is that interchangeable with a shorter quick throw type Hurst shifter?
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From: Country
Don't waste your time and money for the aftermarket (Hurst and others) conversion. They tangle as much as the 3 on the tree. The four speed will be helpful on the back roads having the granny. But none of the factory 70's truck transmissions are suited to "speed shifting" the recommended Mazda 5 speed is much more friendly for what you are talking about. As well as giving the shorter distance between gears both shifting and ratios as you would have 1-4 and OD vice 1-3 on the three speed or 2-4 on the T18.
Good Luck!!
garry
Good Luck!!
garry
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Elder User
Joined: Jun 2015
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From: York Pa.
Don't waste your time and money for the aftermarket (Hurst and others) conversion. They tangle as much as the 3 on the tree. The four speed will be helpful on the back roads having the granny. But none of the factory 70's truck transmissions are suited to "speed shifting" the recommended Mazda 5 speed is much more friendly for what you are talking about. As well as giving the shorter distance between gears both shifting and ratios as you would have 1-4 and OD vice 1-3 on the three speed or 2-4 on the T18.
Good Luck!!
garry
Good Luck!!
garry
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OP has an thread in Clutch/trans forum as well:
https://www.ford-trucks.com/forums/1...onversion.html
In answer to some questions here:
"If you can find an old Top Loader 4 speed, that should go right in place of your 3-speed. "
It may bolt up, but is probably longer than his 3 speed, and depending on model, the shifter may be too far back. Those transmissions are very picked over, but can be had from an aftermarket outfit. $1000+.
"Thanks, does the T-18 come with a long shifter in the middle of the floor board? If so is that interchangeable with a shorter quick throw type Hurst shifter?"
T18 has the tall shifter on a tower in the middle of the floor. There is no external linkage like your 3 speed, and no short throw options are available.
A T19 would have closer ratios, but is no speed shifter.
Do you haul or tow with your truck? You could go with a T5, which would use your bell and clutch. You might have to fiddle with the shifter location depending on which one you find. OD is a bit tall, so your rear axle ratio becomes a question before you go that way.
https://www.ford-trucks.com/forums/1...onversion.html
In answer to some questions here:
"If you can find an old Top Loader 4 speed, that should go right in place of your 3-speed. "
It may bolt up, but is probably longer than his 3 speed, and depending on model, the shifter may be too far back. Those transmissions are very picked over, but can be had from an aftermarket outfit. $1000+.
"Thanks, does the T-18 come with a long shifter in the middle of the floor board? If so is that interchangeable with a shorter quick throw type Hurst shifter?"
T18 has the tall shifter on a tower in the middle of the floor. There is no external linkage like your 3 speed, and no short throw options are available.
A T19 would have closer ratios, but is no speed shifter.
Do you haul or tow with your truck? You could go with a T5, which would use your bell and clutch. You might have to fiddle with the shifter location depending on which one you find. OD is a bit tall, so your rear axle ratio becomes a question before you go that way.
Thread Starter
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Elder User
Joined: Jun 2015
Posts: 664
Likes: 2
From: York Pa.
OP has an thread in Clutch/trans forum as well:
https://www.ford-trucks.com/forums/1...onversion.html
In answer to some questions here:
"If you can find an old Top Loader 4 speed, that should go right in place of your 3-speed. "
It may bolt up, but is probably longer than his 3 speed, and depending on model, the shifter may be too far back. Those transmissions are very picked over, but can be had from an aftermarket outfit. $1000+.
"Thanks, does the T-18 come with a long shifter in the middle of the floor board? If so is that interchangeable with a shorter quick throw type Hurst shifter?"
T18 has the tall shifter on a tower in the middle of the floor. There is no external linkage like your 3 speed, and no short throw options are available.
A T19 would have closer ratios, but is no speed shifter.
Do you haul or tow with your truck? You could go with a T5, which would use your bell and clutch. You might have to fiddle with the shifter location depending on which one you find. OD is a bit tall, so your rear axle ratio becomes a question before you go that way.
https://www.ford-trucks.com/forums/1...onversion.html
In answer to some questions here:
"If you can find an old Top Loader 4 speed, that should go right in place of your 3-speed. "
It may bolt up, but is probably longer than his 3 speed, and depending on model, the shifter may be too far back. Those transmissions are very picked over, but can be had from an aftermarket outfit. $1000+.
"Thanks, does the T-18 come with a long shifter in the middle of the floor board? If so is that interchangeable with a shorter quick throw type Hurst shifter?"
T18 has the tall shifter on a tower in the middle of the floor. There is no external linkage like your 3 speed, and no short throw options are available.
A T19 would have closer ratios, but is no speed shifter.
Do you haul or tow with your truck? You could go with a T5, which would use your bell and clutch. You might have to fiddle with the shifter location depending on which one you find. OD is a bit tall, so your rear axle ratio becomes a question before you go that way.
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Joined: Apr 2004
Posts: 34,503
Likes: 2,817
Serving suggestion:
4.10 gears and something as shown here. You may need an adapter, but it costs nothing to look at the on-line catalogs.
TREMEC 5-speed 6-speed Transmission Conversion solutions for classic and modern muscle
4.10 gears and something as shown here. You may need an adapter, but it costs nothing to look at the on-line catalogs.
TREMEC 5-speed 6-speed Transmission Conversion solutions for classic and modern muscle
Thread Starter
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Elder User
Joined: Jun 2015
Posts: 664
Likes: 2
From: York Pa.
Serving suggestion:
4.10 gears and something as shown here. You may need an adapter, but it costs nothing to look at the on-line catalogs.
TREMEC 5-speed 6-speed Transmission Conversion solutions for classic and modern muscle
4.10 gears and something as shown here. You may need an adapter, but it costs nothing to look at the on-line catalogs.
TREMEC 5-speed 6-speed Transmission Conversion solutions for classic and modern muscle