[DeTomaso] c & m blocks

[GW]

By the way there is no "400M". Its a 400 or a 351M (modified, destroked 
400).



wkooiman at earthlink.net wrote:
> Agreed, but why would you do a 400M when you can do a 408C?
>
> Even better, run a Dart or SVO block and do a 9.5" deck Clevor.
>
> The 400M obviously has a better rod angle, and it isn't stroked to 400, so you don't need a stroker crank, rods, or pistons.  But... does that make up for the motor mount mods, custom headers, intake spacers, and the difficulty in finding an FMX block (or running a 385 bellhousing)?
>
> -----Original Message-----
>   
>> From: GW <gow2 at rc-tech.net>
>> Sent: Aug 10, 2010 10:29 PM
>> To: JDeRyke at aol.com
>> Cc: shawkins777 at comcast.net, detomaso at realbig.com
>> Subject: Re: [DeTomaso] c & m blocks
>>
>> Uhm, what are you smoking? Comparing a 460 built with aluminum heads, 
>> intake to a stock 400 out of a truck?
>>
>> 351c weighs stock 550lbs.
>> 400 STOCK out of a TRUCK weighs 575. 25lbs more.
>> 460 STOCK weighs 720 freeking lbs! STOCK.
>>
>> You can't compare a stock truck engine to a hot rod aluminum intake/head 
>> engine. 500+ easy HP out of a 400 with damn good TQ through out the 
>> power curve and have been used many times. With aluminum heads, intake 
>> performance parts, etc they shed more then the extra 25lbs!
>>
>> Stripped down a 400 block IS A STROKED CLEVELAND!
>>
>> I agree the 460 is an amazing engine. I have seen them stroked to nearly 
>> 600 cubs making close to 900 streatable HP. But they are a bastard 
>> engine in a Pantera. I have seen people with 460's and they are all 
>> plagued by axle weakness. I have seen 2 break axles on launches form the 
>> poor angles required form moving the engines back. They just don't fit 
>> right.
>>
>> The 400 fits in the bay. Some header work, engine mount work but you 
>> don't have to redesign the whole damn engine bay. I love the 460 but it 
>> is an acheleis heal for those who have put one in. They still don't have 
>> the room to put the larger heads and such on they make the 900 
>> streatable HP.
>>
>> There are a couple 400's out there. Mine will be soon.
>>
>>
>>
>>
>>
>>
>> JDeRyke at aol.com wrote:
>>     
>>> On Tue 10/08/10 6:05 PM , "Steve Hawkins" shawkins777 at comcast.net sent:
>>>
>>>   
>>>       
>>>> This not accurate information. Almost everything on a 351C will swap over 
>>>> to a 400 except the crank, rods, push rods and motor mounts
>>>>
>>>>     
>>>>         
>>> What I said: you will replace everything in & on the (400) engine. 
>>>
>>> I didn't say nothing off a real Cleveland would fit; I said   nothing off 
>>> the 400 is useful to a performance build-up, except maybe the cast crank in 
>>> some cases. 
>>>
>>> And it sound like you've done exactly that in your build-up, Steve. Not 
>>> sure whether the stock Pantera alternator/AC bracket will bolt straight onto 
>>> the taller 400 block or if it also needs an adaption. You can advise us once 
>>> you get the engine set in place. 
>>> FWIW, a 460 stroked to 510-550 cubic inches and mildly tuned with with 
>>> aluminum SVO heads, alum. intake w/Holley 850 and alum. waterpump puts out maybe 
>>> 650 bhp on 91 octane & weighs 600 lbs: 50 lbs more than a stock 351-C's 550 
>>> lbs, according to the Byars Bros who swapped a dozen or so of these. My 
>>> chart from Ford's website shows stock 351M and 400M engine ass'ys weighing 575 
>>> lbs; believable given the 1" taller cylinder decks. Cheers- J DeRyke
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