Join Date: Dec 2012
Location: Gastonia, NC - Born & raised in Connecticut - 31 years
Mentioned: 1 Post(s)
Tagged: 1 Thread(s)
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Looking at a Motor's Crash book, the '66-'67 Tempest gives frame dimensions, but no differences between 4 DR or 2 DR models, so not a lot of help.
Now looking at the '68 Tempest, Lemans, GTO, & Safari frames as a comparison, here is what is found as different.
4Dr HT, 4 Dr Sedan, & Station wagon have longer side rails, 66.19" versus 62.19" for the Coupe, 2 DR HT, & Convertible.
All other dimensions between 4 DR HT, 4 DR Sedan, Coupe, & 2 DR HT are the same.
However, the convertible shares all the same dimensions as the Coupe & 2 DR HT except at the front frame horns. The overall outside width is 41.34" versus 41.30". The kick up just in front of the lower A-arm attachment shows 7.05" versus 7.03" for the others. Of course the conv. has the boxed side rails.
The Station Wagon also has a longer rear frame rail at the rear (as measured from the same body bushing point in my diagram), 74.38" while all other models are 68.18". It also has a slightly lower rear frame height at the bumper, 9.43" while all other models are 10.63".
So it may apply equally to the '66-'67 frames with the only differences between the 4 Dr models and 2 Dr models are the side rails. All other dimensions would be the same, so 4 DR HT & 4 DR Sedan should be the same. With this, it may be very possible to take a 4 DR frame and cut the side rails down to Coupe or 2 Dr HT length and use them. My book does give a side rail dimension of 65.19" for the '66-'67 frames which I assume is probably the Coupe, 2 Dr HT, and convertible.