[DeTomaso] c & m blocks

[GW]

There are some obstacles. You ability to overcome the obstacles will 
help YOU device if it is for you or not. Obviously some small issues 
ignored here. If you can deal with the large issues, you can certainly 
deal with the small ones. If you are a car guy/craftsman you can over 
come these obstacles. If you abilities stop at what you can buy from 
Autozone then no.

While a 400 or 351m (modified from 400 but same block) has many things 
in common with a Cleveland there are some differences.

Deck Height is 1 inch taller. This will likely mean new headers. It will 
pull the water the water connection up higher and some things will be 
tighter. There is clearance at the rear of the heads in the bay but it 
does get tighter. Standard build stuff for custom cars.

Limited number of Ford intakes so to use Cleveland intakes you will need 
spacer which are readily available. I am using spacer for now but I am 
welding up Webber intake from scratch. You can see the spacers here:

http://www.rc-tech.net/cars2/ts/d2.jpg

Motor mounts. One side of the 400 has the embossment for the Cleveland 
motor mount but is not drilled. You could drill and tap one side and fab 
a new motor mount for the other side. I just built new motor mounts. 
Easy fab. I can help guide you if that's your plan. You can see mine 
behind the lower mounts powder coated here ready for assembly:

http://www.rc-tech.net/pantera1/rollbar/pc1.jpg

QuickTime makes a bell housing 400-ZF with one problem. Bolt holes are 
inverted. You can re-drill the holes but you must check shaft alignment! 
If you find a 400FMX block it will fit a Cleveland bell housing. The 
beauty of using the quicktime is 400 blocks are a dime a dozen!!!! The 
quicktime will also mean a different throw out set up, or possibly a HTOB.

Those are the biggies. Everything else secondary to those items. I think 
the 400 is a dream. I wouldn't think of a mod motor, a modern motor or 
something small and complicated. With aluminum heads, intake mine is 
stroked to 434 CI at about the same weight as the Cleveland was. The 
engine was built for low rpm, TQ and durability. Dynoed  500hp, 534lbs 
tq. Made 450lbs of tq at 2000 rpm. Limiting it to 5,000rpm should do 
away with many long term problems and should last for a long time.

There is NO substitute for cubic inches!!

A couple guys have done this. All doable.


http://www.rc-tech.net/pantera1/ladder/lad10.jpg

http://www.rc-tech.net/pantera1/InPrimmer.jpg

http://www.rc-tech.net/pantera1/index.htm

Gary










Asa Jay Laughton wrote:
> My answer to your question would be -no-.
>
> Asa Jay
>
> Quoting ronald slater <ron at rlpperformance.com>:
>
>   
>> some feed back needed, are the 351/400 M blocks interchangeable with  
>>  the cleveland block?????
>>
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