[DeTomaso] To stroke or not to stroke

[Art Stephens]

     I like strokers.  My previous Cleveland was a 377 and the new one is a 
408.  I'm no engine expert but if you want to rev it to the moon,  stroking 
may not be the best way to go.  If you want a stump puller,  a stroker would 
seem to be the answer.  I suspect my new engine will make max HP around, 
5500 rpm.  If that is the case,  I see no reason to rev it beyond 6000 rpm. 
With 27" tires and the .642 fifth gear,  my car should do about 180 at 6000 
rpm.  I'm not likely to see 180 but I do hope to do 165 (5500 rpm) at the 
Silver State.  And so far,  the stock 4.22 ring and pinion combined with the 
408 is putting a big smile on my face when I step on it :-)))).  I see no 
reason for pistons to go any higher in a stroker,  but I think you may have 
to run a shorter piston to compensate for the additional stroke.  A stroker 
may theoretically not last as long.  I believe you may have some additional 
loading/wear to the cylinder walls due to the increased stroke.  For that 
reason,  I plan to run Mobil One,  (once I get the engine broke in),  to 
make mine live a long healthy life.  Scat has some reasonably priced 
rotating assemblies.

Good luck Dan,

Art




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Sent: Wednesday, April 02, 2008 2:02 AM
Subject: [DeTomaso] To stroke or not to stroke


> Guys,
>
> I'm looking at options for The Winged Warrior's 5th 351c. For another 
> grand or so I can get an Eagle stroker kit with I beam rods and such. This 
> would take the Cleveland out to 393 cubes or so.
> I don't know if it's good for the intended application, a good street / 
> road car, low rpm torque and power.
> Also, given the problems I've had with the valves and pistons making 
> unauthorized contact, I don't think I want the pistons lifting any higher.
> What do y'all think?
>
> Dan
> Dan F. Courtney
>
>
> Excalibur Commercial Real Estate Services
> La Jolla, CA
>
> Phone (858) 551-5455
> Fax (858) 551-5456
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