[DeTomaso] Best stroker kit for a Cleveland

Asa Jay Laughton asajay at asajay.com
Fri Jan 15 15:57:50 EST 2016


Seems to work fine on my engine, no complaints; smooth from idle up to 139 MPH (as verified on GPS).  I don't see a problem here unless I want to run with a screen, but that would hide the bling of the air cleaner.  :)

Asa Jay


Sent using Jedi Mind Tricks

Mike Drew <MikeLDrew at aol.com> wrote:

>Asa jay,
>
>
>We both had the wrong blue thunder intake. One of us fixed his. :)
>
>
>Mike
>
>
>Sent from my iPhone
>
>
>On Jan 15, 2016, at 12:16, Asa Jay Laughton <asajay at asajay.com> wrote:
>
>Not on my Pantera.
>
>
>Asa  Jay
>
>
>Sent using Jedi Mind Tricks
>
>
>
>Mike Drew via DeTomaso <detomaso at poca.com> wrote:
>
>Dan,
>
>Excellent write up, but you forgot that of the intakes tested the blue thunder was among the best, and it DOES fit under the stock screen....
>
>Mike
>
>Sent from my iPad
>
>On Jan 15, 2016, at 9:38 AM, Daniel C Jones <daniel.c.jones2 at gmail.com> wrote:
>
>>> What would be the best suggestion for a high power output, complete Cleveland ( or Windsor ) stroker kit
>> 
>> The best bang-for-the-buck kit for a street driven Cleveland is the 4"
>> stroke Scat 9000 series cast crank, forged I-beam rod and forged
>> piston kit.  9000 series crankshafts have a 351C crank snout (takes
>> standard 351C balancer and timing set).  Note that all of the
>> reasonably priced forged crank kits, including Scat's, use a 351W
>> snout crank with 351C main bearing diameters and require either a
>> snout spacer or a timing set with integral spacer.  Depending upon the
>> desired compression ratio and your cylinder head compression ratio,
>> the 393C Scat kit may be a better fit but custom or option pistons can
>> usually be substituted for a small price increase.  The cost to
>> upgrade to a forged crank is only a few hundred dollars and is
>> recommended for higher HP applications or racing applications which
>> shock load the crank.  Note that some of the low cost 4" stroker kits
>> are designed for 9.5" blocks with 6.2" long rods and will have piston
>> skirt to crank clearance issues.  Turning down the OD of such a crank
>> and re-balancing can be a very expensive proposition.  For higher RPM
>> applications, there are shorter strokes which can be used to keep the
>> piston speed down as desired.  The Scat 3.85" (393 cubic inch if
>> 4.030" bore) and 4.0" (408 cubic inch if 4.030" bore) are both
>> designed to require no expensive Mallory metal to balance to 28.2
>> oz-in.  Depending upon the rod and piston weight, they can often be
>> internally balanced with only a small amount of Mallory metal.  My own
>> 403 (4.005" bore by 4" stroke) is internally balanced.
>> 
>> Like all the reasonable cost stroker kits, Scat's raw forgings are
>> Chinese sourced.  Scat can claim "Made in the USA" in their catalogs
>> because they do final machining on their forged crankshafts in
>> California while the cast 9000 series cranks are machined in China.
>> Mike Drew and I toured Scat's facility in California and had an
>> interesting discussion with Tom Lieb (Scat's founder) on Scat's OEM
>> level quality control process and the difficulty of running a
>> manufacturing business in the United States (and California in
>> particular).
>> 
>> If you know what you are doing, it's no big deal to piece together a
>> custom kit of crank, rods and pistons to fit your specific needs.
>> 
>>> What carburettor and intake ? Wet sump ( not a race engine ) Cleveland heads.
>> 
>> In our testing of 8 different intakes (along with various spacers) on
>> a 408C, the Holley Strip Dominator and Edelbrock Scorpion single
>> planes and a ported Blue Thunder dual plane were very close in
>> performance.  Note that none of these fit under a stock engine screen.
>> Our best results have come with a custom Holley carb from Bobby Oliver
>> at Competition Carburetion.
>> 
>>> We are working with a company that is attempting to make us forged crank and rods stroker packages that is internally balanced already. At this point nobody has an internal balanced package for a 9.200" block
>> 
>> That will be a welcome addition Tim.
>> 
>> Dan Jones
>> 
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-------------- next part --------------
   Seems to work fine on my engine, no complaints; smooth from idle up to
   139 MPH (as verified on GPS).  I don't see a problem here unless I want
   to run with a screen, but that would hide the bling of the air
   cleaner.  :)
   Asa Jay
   Sent using Jedi Mind Tricks

   Mike Drew <MikeLDrew at aol.com> wrote:

   Asa jay,

   We both had the wrong blue thunder intake. One of us fixed his. :)

   Mike

   Sent from my iPhone

   On Jan 15, 2016, at 12:16, Asa Jay Laughton <[1]asajay at asajay.com>
   wrote:

   Not on my Pantera.
   Asa  Jay
   Sent using Jedi Mind Tricks
   Mike Drew via DeTomaso <[2]detomaso at poca.com> wrote:
   Dan,
   Excellent write up, but you forgot that of the intakes tested the blue
   thunder was among the best, and it DOES fit under the stock screen....
   Mike
   Sent from my iPad
   On Jan 15, 2016, at 9:38 AM, Daniel C Jones
   <[3]daniel.c.jones2 at gmail.com> wrote:
   >> What would be the best suggestion for a high power output, complete
   Cleveland ( or Windsor ) stroker kit
   >
   > The best bang-for-the-buck kit for a street driven Cleveland is the
   4"
   > stroke Scat 9000 series cast crank, forged I-beam rod and forged
   > piston kit.  9000 series crankshafts have a 351C crank snout (takes
   > standard 351C balancer and timing set).  Note that all of the
   > reasonably priced forged crank kits, including Scat's, use a 351W
   > snout crank with 351C main bearing diameters and require either a
   > snout spacer or a timing set with integral spacer.  Depending upon
   the
   > desired compression ratio and your cylinder head compression ratio,
   > the 393C Scat kit may be a better fit but custom or option pistons
   can
   > usually be substituted for a small price increase.  The cost to
   > upgrade to a forged crank is only a few hundred dollars and is
   > recommended for higher HP applications or racing applications which
   > shock load the crank.  Note that some of the low cost 4" stroker kits
   > are designed for 9.5" blocks with 6.2" long rods and will have piston
   > skirt to crank clearance issues.  Turning down the OD of such a crank
   > and re-balancing can be a very expensive proposition.  For higher RPM
   > applications, there are shorter strokes which can be used to keep the
   > piston speed down as desired.  The Scat 3.85" (393 cubic inch if
   > 4.030" bore) and 4.0" (408 cubic inch if 4.030" bore) are both
   > designed to require no expensive Mallory metal to balance to 28.2
   > oz-in.  Depending upon the rod and piston weight, they can often be
   > internally balanced with only a small amount of Mallory metal.  My
   own
   > 403 (4.005" bore by 4" stroke) is internally balanced.
   >
   > Like all the reasonable cost stroker kits, Scat's raw forgings are
   > Chinese sourced.  Scat can claim "Made in the USA" in their catalogs
   > because they do final machining on their forged crankshafts in
   > California while the cast 9000 series cranks are machined in China.
   > Mike Drew and I toured Scat's facility in California and had an
   > interesting discussion with Tom Lieb (Scat's founder) on Scat's OEM
   > level quality control process and the difficulty of running a
   > manufacturing business in the United States (and California in
   > particular).
   >
   > If you know what you are doing, it's no big deal to piece together a
   > custom kit of crank, rods and pistons to fit your specific needs.
   >
   >> What carburettor and intake ? Wet sump ( not a race engine )
   Cleveland heads.
   >
   > In our testing of 8 different intakes (along with various spacers) on
   > a 408C, the Holley Strip Dominator and Edelbrock Scorpion single
   > planes and a ported Blue Thunder dual plane were very close in
   > performance.  Note that none of these fit under a stock engine
   screen.
   > Our best results have come with a custom Holley carb from Bobby
   Oliver
   > at Competition Carburetion.
   >
   >> We are working with a company that is attempting to make us forged
   crank and rods stroker packages that is internally balanced already. At
   this point nobody has an internal balanced package for a 9.200" block
   >
   > That will be a welcome addition Tim.
   >
   > Dan Jones
   >
   > _______________________________________________
   >
   > Detomaso Forum Managed by POCA
   > Posted emails must not exceed 1.5 Megabytes
   > DeTomaso mailing list
   > [4]DeTomaso at poca.com
   > [5]http://poca.com/mailman/listinfo/detomaso_poca.com
   >
   > To manage your subscription (change email address, unsubscribe, etc.)
   use the links above.
   _______________________________________________
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References

   1. mailto:asajay at asajay.com
   2. mailto:detomaso at poca.com
   3. mailto:daniel.c.jones2 at gmail.com
   4. mailto:DeTomaso at poca.com
   5. http://poca.com/mailman/listinfo/detomaso_poca.com
   6. mailto:DeTomaso at poca.com
   7. http://poca.com/mailman/listinfo/detomaso_poca.com


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