Engine Plate vs Motor Mounts - 460 Ford Forum
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post #1 of 5 (permalink) Old 05-30-2015, 12:32 PM Thread Starter
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Engine Plate vs Motor Mounts

I plan to put a 385 series engine and C6 transmission into a '76 F-100. The engine will likely have P-51 heads and the chassis will have a Crown Vic IFS. The question, then, is whether I should also consider replacing the stock motor mounts with an engine plate in order to have plenty of room for effectively designed and formed long tube headers.
This is a street/strip vehicle so an engine plate will need to be a little different from a race only unit. Perhaps it should be made of steel and have polyurethane biscuits after the fashion of an old flathead Ford V8. Then, what about accessories. There's no AC but there is the stock water pump, alternator and power steering pump to think of.
Or is this overkill? Are there decent headers that will fit this application and not cramp the exhaust ports of the P-51 heads? I'm not keen on fender well exit headers.
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post #2 of 5 (permalink) Old 06-01-2015, 07:33 PM
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This question probably should have gone in another section but I have experience with this so here it goes...

You didn't say if it was 2wd or 4wd but L&L Products makes mount towers and motor mounts for this that will work just fine. It was the way to go for me. My 1974 F100 had about 750 HP under the hood and I had no problem with the L&L setup. It worked great and the motor mounts are guaranteed for life. If you go this route then mounting brackets, pulley's & accessories on the front of the motor is a breeze and there is no fabrication. You can put a couch and loveseat in under the hood of these trucks. You will still have plenty of room for headers. By the way... L&L also makes headers for your application and they are VERY well built.

Here is a link to what I'm talking about for the motor mounts & mount towers:
http://www.landlproducts.com/details...=0&ItemID=1027

Here is their header page:
http://www.landlproducts.com/list.as...cID=4&scID=116

Here is a video link of the truck to prove it (it was 4500 pounds):
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post #3 of 5 (permalink) Old 11-08-2015, 06:55 PM Thread Starter
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Motor Mouts vs Engine Plate for Street/Strip

Thanks for the excellent feedback on this question. The video of your truck is impressive.
I should have mentioned that this is a rear wheel drive so there are stock motor mounts that could be used, even with a CV IFS.
I have since read of people doing the CV IFS and using only the aluminum IFS mounting points (no direct connection to the frame).
These full size trucks certainly have more room to work with than a fox body mustang so my worry may be unnecessary.
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post #4 of 5 (permalink) Old 11-08-2015, 11:54 PM
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Quote:
Originally Posted by MrScharfenberger View Post
This question probably should have gone in another section but I have experience with this so here it goes...

You didn't say if it was 2wd or 4wd but L&L Products makes mount towers and motor mounts for this that will work just fine. It was the way to go for me. My 1974 F100 had about 750 HP under the hood and I had no problem with the L&L setup. It worked great and the motor mounts are guaranteed for life. If you go this route then mounting brackets, pulley's & accessories on the front of the motor is a breeze and there is no fabrication. You can put a couch and loveseat in under the hood of these trucks. You will still have plenty of room for headers. By the way... L&L also makes headers for your application and they are VERY well built.

Here is a link to what I'm talking about for the motor mounts & mount towers:
http://www.landlproducts.com/details...=0&ItemID=1027

Here is their header page:
http://www.landlproducts.com/list.as...cID=4&scID=116

Here is a video link of the truck to prove it (it was 4500 pounds):
http://www.youtube.com/watch?v=FvM6jFDWZHA
Wow Chris, we've all come a long way since then! Lol
I remember that vid, "put your helmet on!"
Rob

Rob Hawes-Anchorage Rod Works-Anchorage, Alaska
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post #5 of 5 (permalink) Old 11-10-2015, 10:37 AM
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Quote:
Originally Posted by MrScharfenberger View Post
This question probably should have gone in another section but I have experience with this so here it goes...

You didn't say if it was 2wd or 4wd but L&L Products makes mount towers and motor mounts for this that will work just fine. It was the way to go for me. My 1974 F100 had about 750 HP under the hood and I had no problem with the L&L setup. It worked great and the motor mounts are guaranteed for life. If you go this route then mounting brackets, pulley's & accessories on the front of the motor is a breeze and there is no fabrication. You can put a couch and loveseat in under the hood of these trucks. You will still have plenty of room for headers. By the way... L&L also makes headers for your application and they are VERY well built.

Here is a link to what I'm talking about for the motor mounts & mount towers:
L and L Products

Here is their header page:
L and L Products

Here is a video link of the truck to prove it (it was 4500 pounds):
http://www.youtube.com/watch?v=FvM6jFDWZHA



Thats a nice run! When i bought my motor off a guy he had solid motor mounts made up, can't remember the brand but they were nicely done! I'll try to get a pic of them since the motors been out for a while now.. I have a 73 Ford with a 429 i'm hoping to start building one day.. May i ask what all you've done to get 750HP ?
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