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Original Message
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| RE: 67 289 Mustang FE conversion... |
| By Will - 12/02/2001 10:52:35 AM; IP 24.162.167.61 |
Several months ago, there was a thread where some people said you needed the frame mounts, others said you didn't. The conclusion was that the frame mounts for 67 were the same, but they changed in 68. I've never compared the 68-70 mounts (SB vs BB). I think the 68-70 mounts just needed a hole drilled for a BB. All I know is that I didn't change the frame mounts when I went from a 289 to a 428.
I have Hooker super comps and Edel heads. They fit fine, but they hang down too low. I have to go over speed bumps pretty slow to avoid dragging. The 390 GT has 14 exhaust bolts vs. 16 bolts for the CJ. Also, the vertical holes on the last port are closer together than the CJ. I have a set of CJ heads where the previous owner drilled an extra hole to fit 390 GT exhaust manifolds. All I know about your headers is that you should check the bolt pattern and port matchup before installing the engine.
I think the 289 radiator has a pass-side upper and drivers-side lower, but it's been so long, I'm just guessing. Even if it fits, I don't think it's big enough to cool a big block. You could always try it since you're not out anything if it doesn't work.
The springs are probably also one of those things that will work, but 600# springs might work better. Why not try it and see?
For the trans mounting... I would bet you could use the 289/C-4 crossmember with a standard C-6 trans mount. The shifter should fit the same. So should the speedo cable. You'll probably have to bend the cooling lines a little, but that isn't a big deal. You may have to buy a Mustang specific neutral safety switch. I don't know about that. The only unknown is the driveshaft, and the worst case is you have to lengthen or shorten the shaft. I wouldn't spend time shortening a 35 year-old driveshaft, though. I still have the one from my 67, and it's a rusted piece of junk.
One other thing is planning for the additional power of the engine. The 8-inch rears aren't that strong. I broke one to pieces with a 302. Make sure the brakes are in great shape. The last thing you want to do is to build a death trap for your stepson. |
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