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Forte's Mechanical Throttle Linkage Install
I received Mike's mechanical throttle linkage in the mail a couple of weeks ago. Very nice piece. Also spoke to Mike on the phone and really nice, helpful guy!
I'm getting ready to install my firewall, but wanted to check to see if I needed to do any drilling for the linkage prior to installing the firewall, or does it all need to be done on the car after everything is hooked up? I looked around and didn't see a 'How To' anywhere, so if anyone has one, please point me in the right direction. Thanks!
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#9160
Yeah, there is not a lot of guidance but it goes pretty smooth. I installed the linkage and mounts after I had the firewall already installed. After the mounts are installed you can determine where the linkage shaft goes through driver foot box inner panel. Drilled the hole for the shaft to go through, disassembled the linkage shaft and put it through the hole. Put a rubber grommet on it (with a little WD-40) and it looks like a stock installation, very clean.IMG_0425.jpg
Last edited by BB767; 08-17-2018 at 12:15 AM.
MK4 - complete kit - Blueprint 427W - Holly Sniper EFI - TKO 600 .64 - 3.55 3 link - 17" Halibrands
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Senior Member
BB767 mounted his to the 2x2 frame tube. You can probably get away w/ mounting it to the aluminum just above the steel tube but keep it low as possible. Use a fender washer on either side but grind a flat on them so you can mount low. The problem w/ being too high is the top of the inner bell crank could interfere w/ the aluminum on top of the foot box.
FFR MkII, 408W, Tremec TKO 500, 2015 IRS, DA QA1s, Forte front bar, APE hardtop.
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Senior Member
I also attached some 2 inch aluminum angle to the 2x2 frame tube to reinforce the the firewall. The aluminum for the firewall is thin and you will have a bit flex in it when accelerating.
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I also mounted THROUGH the 2”x2” frame with a longer bolt. Turned out well, pretty much under dash and the carpet covers it, obviously makes it super solid. I tried doing the rubber grommet. Couldn’t make it work, mine is early 2017 vintage mk4 and I think it has different aluminum in the foot box area the shaft goes through. My shaft is at about a 45 deg angle to the aluminum panel. Just left a open hole, never thought of it once while driving.
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Also I’d wait until you have the engine installed, pedals all in andbrakes bled. Reason being so you can set up the throttle pedal position and height to work with your brake pedal height. For me this was one of the most important parts of the build, if you want to be able to heel-toe for downshifts. I also moved the mounting points for the throttle pedal and made a stop for the pedal where the carb was at full throttle.
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I like the mounting through the 2x2 frame. I have the thicker firewall from ffmetals, so hopefully it will cure any flex when accelerating. Anyone have a diagram of the whole setup as installed?
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Originally Posted by
cv2065
I like the mounting through the 2x2 frame. I have the thicker firewall from ffmetals, so hopefully it will cure any flex when accelerating. Anyone have a diagram of the whole setup as installed?
Here's how I did mine. I too would suggest to wait until the motor is installed so that you can get the correct dimensions. Mine's a little different as I made my own firewall and linkage. The firewall hangs lower than the 2x2 and it's .125" thick. So I mounted my linkage to the firewall itself. HTH a little. It's a great addition to the build!
Mechanical Linkage Album
Last edited by DadofThree; 08-17-2018 at 09:25 AM.
Dave
Mk 3.1 - #6882 - 5.0L 302 - FiTech EFI - 3-Link - 3.08 Ratio - 15" Wheels
Greenhorn and doing the best I can
My photos are at:
My Flickr acct
Videos are at:
YouTube Videos
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Originally Posted by
DadofThree
Here's how I did mine. I too would suggest to wait until the motor is installed so that you can get the correct dimensions. Mine's a little different as I made my own firewall and linkage. The firewall hangs lower than the 2x2 and it's .125" thick. So I mounted my linkage to the firewall itself. HTH a little. It's a great addition to the build!
Mechanical Linkage Album
Great pictures and parts list. Thanks DOT!!
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Post Thanks / Like - 1 Thanks, 0 Likes
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#9160
DadX3, I am wondering where you put your return spring(s)? Could not see them in the photos. I am sure you know that you should NEVER rely on the carb/metering springs alone.
MK4 - complete kit - Blueprint 427W - Holly Sniper EFI - TKO 600 .64 - 3.55 3 link - 17" Halibrands
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Originally Posted by
BB767
DadX3, I am wondering where you put your return spring(s)? Could not see them in the photos. I am sure you know that you should NEVER rely on the carb/metering springs alone.
Yes, I know. Those photos have now been added to the Album.
20180314_231707 by D. R., on Flickr
20180314_231508 by D. R., on Flickr
Last edited by DadofThree; 08-17-2018 at 10:43 AM.
Dave
Mk 3.1 - #6882 - 5.0L 302 - FiTech EFI - 3-Link - 3.08 Ratio - 15" Wheels
Greenhorn and doing the best I can
My photos are at:
My Flickr acct
Videos are at:
YouTube Videos
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#9160
Nice, I figured they were just out of the picture.
MK4 - complete kit - Blueprint 427W - Holly Sniper EFI - TKO 600 .64 - 3.55 3 link - 17" Halibrands
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Senior Member
I made my own mech linkage from edwardb's build and parts list. I also have the ffmetal firewall forward and it is plenty strong enough for the linkage mount. I also used Russ Thompsons accellerator pedal.
JR
Last edited by jrcuz; 08-17-2018 at 08:09 PM.
Mk4 complete kit #9059 ordered 1/19/17 delivered 3/23/17, 2015 IRS, Fortes/DART347,TKO 600, hyd clutch, P/S, 12.88 wilwood brakes front and rear, heater/defrost and vintage gauges
First start and go-cart 4/11/18. Taken To Whitby Motorcars Greensboro, N.C. 2/5/21 for body/paint
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Just installed mine today. Don't think you"ll get much flex if you mount it to the firewall since the rod ends are mounted so close to the 2" tube. Mine feels pretty robust even with the regular firewall.
D1295A6C-F9CE-4DC1-9DAB-87F536657E96.jpg
MKIV complete kit w/powder coating and cut outs, serial #9189 delivered 10/10/17, first start - 10/5/18, legal - 10/08/20. Blueprint 306 w/Holley Sniper EFI, TKO 600, power steering, Breeze fan shroud, trunk cubby, & engine compartment battery kit, CNC brake reservoirs, RT turn signal & gas pedal, mechanical throttle linkage, METCO safety loop, GASN side pipes, drop trunk, dual chrome roll bars, vintage gauges, glove box, custom center console, cup holders, and speakers.
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Originally Posted by
RJD
Just installed mine today. Don't think you"ll get much flex if you mount it to the firewall since the rod ends are mounted so close to the 2" tube. Mine feels pretty robust even with the regular firewall.
D1295A6C-F9CE-4DC1-9DAB-87F536657E96.jpg
Looks great RJD. Do you have a picture of the assembly attaching to the pedal?
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Here's a pic showing the rod going down to the pedal, and another pic showing it connecting to the Russ Thompson gas pedal. I have to go back and put lock nuts on all the rod ends and install the linkage return springs. I made my own linkage following edward B's parts list.
4CDDE6EE-7223-4CE6-B2E5-81C563A5D903.jpg0DCB2460-66AD-4742-8B4D-49A6A832E913.jpg
MKIV complete kit w/powder coating and cut outs, serial #9189 delivered 10/10/17, first start - 10/5/18, legal - 10/08/20. Blueprint 306 w/Holley Sniper EFI, TKO 600, power steering, Breeze fan shroud, trunk cubby, & engine compartment battery kit, CNC brake reservoirs, RT turn signal & gas pedal, mechanical throttle linkage, METCO safety loop, GASN side pipes, drop trunk, dual chrome roll bars, vintage gauges, glove box, custom center console, cup holders, and speakers.
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Senior Member
I did use blue thread locker on all of the set screws and lock nuts.
JR
Mk4 complete kit #9059 ordered 1/19/17 delivered 3/23/17, 2015 IRS, Fortes/DART347,TKO 600, hyd clutch, P/S, 12.88 wilwood brakes front and rear, heater/defrost and vintage gauges
First start and go-cart 4/11/18. Taken To Whitby Motorcars Greensboro, N.C. 2/5/21 for body/paint
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Senior Member
If you’re using the Russ Thompson gas pedal you can set pedal height after you’ve got the rest of the linkage installed.
Also you may find you need some roll pins through the lever arms to keep them from slipping. And you may want to add some collars to keep the pivot rod from sliding side to side. See post #291 of my build thread for more (http://www.ffcars.com/forums/17-fact...r-build-5.html).
John
MK IV Roadster #8631
Ford 302, Holley Terminator EFI, T5z, 3.55 Rear End, IRS, 17” Halibrand Replicas (9” front, 10.5” rear), Nitto 555 G2’s (275/40ZR17 front, 315/35ZR17 rear), Fast Freddie’s Power Steering, F5 Wilwood Brakes, FFMetal’s Firewall Forward, Forte’s Hydraulic Clutch & Throttle Linkage
https://www.ffcars.com/threads/phile.../#post-4776313