Forte Throttle linkage

[JMJ]

About to tackle Forte Mechanical throttle linkage. Thinking about drilling through the 2x2 frame, however, does the rod that connects to my Sniper EFI have to be fairly level? Just by rough measurements, if I mount the 2 brackets that low, the rod would be at a downward angle. Will that matter or effect the function?

Thanks

[rich grsc]

I would not mount that low, no need to drill through the 2x2 frame. I drilled about an inch above the frame and used a fender washer for backup against the aluminum. It is more than enough for solid support, no movement at all.

[OSU Cowboy]

I added aluminum angle pieces where the rod ends come through the firewall, securing them to the top of the 2x2 frame. I felt it gave the rod ends a good foundation and removes firewall flex concerns.

[Otee453]

I added aluminum angle pieces where the rod ends come through the firewall, securing them to the top of the 2x2 frame. I felt it gave the rod ends a good foundation and removes firewall flex concerns.

Essentially what I did also. I mounted a piece of 2”x2” aluminum angle behind the firewall, on top of the frame tube. That made a very rigid mounting area for the heim rod end bearings, mounted above the square frame tube.
I doubt it is necessary to reinforce this area as fender washers sandwiching the firewall sheeting is probably plenty rigid.
I didn’t use Fortes linkage, I made my own, using anodized and chrome parts.

[Rdone585]

My install was on a MK II completed long ago. There were too many things mounted inside the firewall in the areas where I should mount the rod ends. So I mounted a 3/16" plate of aluminum to the 2x2 in the engine bay and mounted the rod ends exactly where they needed to be.
171323

[JMJ]

One of the reasons I was thinking about going through the frame was my dash has the bottom covered from underneath. If I go through the firewall, I would need to pull the body for access. Was hoping to avoid it, but obviously will if need be.

[MSumners]

I have a dart 347 and Fitech so maybe that affects positioning but I did drill through the 2x2 frame and works great.

https://thefactoryfiveforum.com/attachment.php?attachmentid=171324&d=1661010712


https://thefactoryfiveforum.com/attachment.php?attachmentid=171325&d=1661010734

[OSU Cowboy]

I made my own as well. One of the things I do miss about the build was my own engineering & design work. The throttle linkage was one. Also developed a center console and head rests attached to the roll bars.

[OSU Cowboy]

Rdone 585's idea would work well for you I'd think ... mounting the plate on the engine side to the 2x2 rail for rod end attachments keeps you out of the internal firewall / dash area.

[TMartinLVNV]

About to tackle Forte Mechanical throttle linkage. Thinking about drilling through the 2x2 frame, however, does the rod that connects to my Sniper EFI have to be fairly level? Just by rough measurements, if I mount the 2 brackets that low, the rod would be at a downward angle. Will that matter or effect the function?

Thanks

I installed the Forte Throttle linkage after the car was completely built. I also have the Holley Sniper. Doing it on a completed car was a PITA but doable. I have mine mounted only in the standard FFR firewall with fender washers on either side supporting it. It does not flex or move at all. I feel that it is very secure. The angle of the rod going to the TB is descending a little bit and works fine. You will need to remove any bottom cover you have under your dash. You will need to get both hands up under the dash to drill holes and turn wrenches. Many many bad words will be uttered when doing this project on a completed car no matter where you mount it.

[RJD]

A piece of aluminum riveted to the 2x2 and the firewall, with the rod ends mounted above the 2x2. Solid.

171326

[boat737]

Through the 2 inch tube for me. Dart 351w/427 with a Holly 750. My custom made linkage (Thanks to Paul - EdwardB) has slightly shorter arms than the Forte setup, and the connector rod does have a slightly downward angle from the carb to the pivot rod. But it works perfectly.

I think an advantage to going through the 2x2 tube, is you can mount the pivot rod stanchion and the throttle pedal push rod arm as close to each other as possible.

No problem at all. Throttle response smooth and predictable. All nice and neat and tidy.

[Fman]

I also chose to go above the 2" frame directly into the firewall with the supplied washers and also used a 1/8" alum angle piece for extra support, rock solid. Running Pro flo 4 EFI but would also have no problems working with a sniper. Personally would not want to drill into the frame, don't really think it is necessary for this application... my .02

https://thefactoryfiveforum.com/attachment.php?attachmentid=136085&d=1602212057

https://thefactoryfiveforum.com/attachment.php?attachmentid=136087&d=1602212093

[CraigS]

I did same as RJD. 1/8"x2" aluminum flat riveted through the firewall into the frame 2x2 and extending above the frame by one inch. Rod ends mounted through the firewall and 1/8"x2" so the bolts just cleared the top of the frame.

[JMJ]

Thanks all…..after some mock ups, and provide pictures, I believe I have it figured out. Thanks again for the assistance.

[BrewCityCobra]

I have a dart 347 and Fitech so maybe that affects positioning but I did drill through the 2x2 frame and works great.

https://thefactoryfiveforum.com/attachment.php?attachmentid=171324&d=1661010712


https://thefactoryfiveforum.com/attachment.php?attachmentid=171325&d=1661010734

Totally off-topic question. Where did you get that bushing to help with getting the throttle linkage through the sheetmetal panels? I tried to procure one from McMaster but it seems a lot shallower.

[Ted G]

Thanks guys for all the input here. I am also about to tackle the Forte linkage and wanted some info on this. I am doing this pre-install of my engine and I have a Forward Firewall. Obviously I'll add the final linkage part after the engine is installed, but wanted to have the throttle and firewall set up before hand.

My questions is does the forward firewall affect any positioning other than some shorting linkage rods?

Thanks in advance!

[Bill_VA]

For those of you still in the initial build stage, you might consider my FFmetal.com (http://www.ffmetal.com/) firewall alternatives - either the Thicker Firewall (http://www.ffmetal.com/#fw1) or the Firewall Forward (http://www.ffmetal.com/#fwfw). Both are made with .090 thick aluminum, over twice as thick as the stock FFR pieces and are rigid enough to mount a mechanical linkage to the firewall without additional strengthening or support. Also great for mounting heaters and such to the firewall. Not to mention the piece of mind of having more metal between you and the engine compartment.

[Blitzboy54]

I installed the Forte Throttle linkage after the car was completely built. I also have the Holley Sniper. Doing it on a completed car was a PITA but doable. I have mine mounted only in the standard FFR firewall with fender washers on either side supporting it. It does not flex or move at all. I feel that it is very secure. The angle of the rod going to the TB is descending a little bit and works fine. You will need to remove any bottom cover you have under your dash. You will need to get both hands up under the dash to drill holes and turn wrenches. Many many bad words will be uttered when doing this project on a completed car no matter where you mount it.



I would love to hear more about this. I regret not going with the mechanical linkage but my car was done by the time I realized it. I would like to give you a call one of these days and talk about your experience.

[Ted G]

For those of you still in the initial build stage, you might consider my FFmetal.com (http://www.ffmetal.com/) firewall alternatives - either the Thicker Firewall (http://www.ffmetal.com/#fw1) or the Firewall Forward (http://www.ffmetal.com/#fwfw). Both are made with .090 thick aluminum, over twice as thick as the stock FFR pieces and are rigid enough to mount a mechanical linkage to the firewall without additional strengthening or support. Also great for mounting heaters and such to the firewall. Not to mention the piece of mind of having more metal between you and the engine compartment.

I'll second that! Great, sturdy product for sure. I'd also recommend his trans cover - thicker, stronger and no patching holes.