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Original Message
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| RE: 390 swap |
| By Will - 08/18/2001 9:33:00 PM; IP 24.162.191.90 |
I swapped a 428 into a 67 Mustang that came with a 289. Here's what I had to change...
- motor mounts. The frame mounts were the same in 67, but I think they changed in 68. I don't have a clue what they were like in 69
- The radiator is different, but you may be able to make the 302 radiator work. Check which sides the hoses connect. You'll also need a "good" radiator, 'cause it takes more to cool a 390 than a 302.
- The exhaust is all different, so plan on getting FPA headers and all new exhaust tubing. You could run manifolds, but why?
- I have 650# front coil springs, and I like them. I think the 289 springs were something like 470#.
- I have the export brace and monte carlo bar, plus I welded a plate inside the shock tower (the spring side). I also have Global West upper and lower A-arms, but they weren't necessary for the FE.
- You have to watch the sway bar. I had a small block 1" bar and the oil filter hit it. I think there's an FE specific sway bar, but I also had a remote oil filter hookup, so I just used that.
- The trans is different. If you're running a C-6, you should be okay. If you're running a 4-speed, you'll need an FE specific bellhousing, Z-bar, throwout arm, plus the brackets that mount on the frame and block for the Z-bar. If I had it to do over again, I'd buy a scattershield and adapt a cable clutch.
- Don't forget all the accessories on the front of the engine. You may need to buy brackets, etc. for the alternator, power steering, air conditioning (assuming you have air or p/s - I don't).
It actually isn't that hard of a swap - motor mounts, exhaust, trans at a minimum. Preferrably an upgrade to disc brakes and springs, monte carlo bar, export brace. The biggest problem is the expense. Expect to pay $500 for headers, $300 for clutch linkage, ~$300 for motor mounts, ?? for trans.
I can't think of anything else, so I'll shut up. |
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