4 link on 67

[pferat]

New member here... picked up a Heidt's 4 link for my 67 HT 12 bolt and was wondering if it is mandatory to tilt the tube bracket 2 degrees as stated in the installation instructions. Wouldn't i have enough adjustment in the 4 link to correct for this?

[Sales-TCI-Eng]

Originally Posted by pferat

New member here... picked up a Heidt's 4 link for my 67 HT 12 bolt and was wondering if it is mandatory to tilt the tube bracket 2 degrees as stated in the installation instructions. Wouldn't i have enough adjustment in the 4 link to correct for this?

Technically yes, you can just adjust the bars to set the pinion. The problem is the mating surface for the coil-overs needs to be parallel to the angle of the shock. Otherwise you will have binding issues at the mount point.

-Jason

[ibuildm]

Originally Posted by Sales-TCI-Eng

Technically yes, you can just adjust the bars to set the pinion. The problem is the mating surface for the coil-overs needs to be parallel to the angle of the shock. Otherwise you will have binding issues at the mount point.

-Jason

What does a TCI guy know about a Heidts 4-link. LOL!!

Tim

[pferat]

Got it. Thanks for the explanation.

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[79 Camaro]

Most 4 links are of similar design. Adjustable for pinion angle to a degree.

TCI guy has a great point, the coil overs have a poly or rubber bushing top and bottom that will allow some "angle" but work best at right angles to the mounting bolt. Binding due to mounting angles is bad.

I have a Heidt 4 link in my 67. Works good. I bought the 9" with brackets installed from heidt. I'm not chassis expert figured they would know and it went right in.

Get the 12 bolt at ride height under the car, squared to the car and wheels/tires in position fore and aft (navy talk) pinion angle to match slightly lower than the engine angle. Burn the brackets in and then use the 4 link to fine tune.

[pferat]

12 bolt is out of the car and bare. I'll get started and weld the brackets with the right angular offset. Thanks for the explanations

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