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| | |-+  Ideas to share concerning 1:18 '67-'69 GMP Penske Donohue Camaros.
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Author Topic: Ideas to share concerning 1:18 '67-'69 GMP Penske Donohue Camaros.  (Read 54181 times)
Swede70
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« Reply #270 on: September 20, 2014, 09:19:38 AM »

Thanks everyone for the kind notice,

Consistent with protecting the lower extremities of any would be scale racing driver, I felt I had to replace the cast iron bell housing with a proper scale scattershield. Research revealed a Lakewood scattershield was employed, whereas a web search unearthed images that could be consulted to reproduce much of the exterior contour of the same.  In particular, an image was found (and seen below it is) that allowed for careful replication of the outline of the mounting flange to the engine block proper.  Some final shaping is required where the clutch is actuated for this detail still seems a bit heavy, but far from a terrible start.  Fine attachment hardware to come then...

Also seen below is the rather strange homebrewed dry sump system oil pan employed by Team Trans/Action in '71.  A stock pump was employed, but so too an additional pump driven off of the flywheel hidden out of sight.  The stock wet sump was reduced in volume reflecting experiments made in 1970 by Titus/Godsall Racing with 180 degree headers that required certain clearance below for joining the pipes from alternate cylinder banks, whereas indeed upon first inspection the 'short sump' is a bit startling to peruse.  The oil reservoir was hidden within the firewall, whereas I suspect the whole operation of the same would have been kept secret but for the SCCA's decision to allow the use of dry sump systems looking into the 1971 season.  I've hacked down my standard wet sump in the hope of recreating what again is seen in the photo I've included.

Lastly, an interior bulkhead formerly created from sheet plastic has been replaced with an aluminum panel reflecting what material was actually employed in 1:1.  In addition to shrinking the overall dimensions of the home brewed seat the team fabricated for use in this application, I have sufficient confidence in my use of sheet aluminum to rebuild it in metal - so, a coming attraction of a sort.  Harness pick up points are seen on the rear package shelf, hence the odd appearance of hardware so-sited.  Kind thanks for your attention.

Mike K.



...the abbreviated wet sump in 1:1, with a tiny glimpse of the scattershield also spied.


...Lakewood scattershield 1:1 reference employed to reproduce the mounting flange outline in particular.


...rear three-quarter view of the new scattershield.  Note clutch fork opening as well as the starter motor bubble or bump.


...side view depicting abbreviated wet sump.


...bottom view, reflecting plastic plug work, the addition of a tiny harmonic balancer as well as further perspective afforded with regards to the sump modifications.  Note too efforts to clean up the transmission prior to casting the same.  Most parts on view here will also be employed upon my forthcoming Jerry Titus 1970 Trans-Am Firebird.


...the replacement rear bulkhead is seen.  Across the length of the passenger's side floor is witnessed what is intended to be a fiberglass rust repair overlay, with the two diagonally set holes intended as access points for the hardware that holds the exhaust dumps in place situated just below.  The overlay is soon to be covered with Tamiya hobby tape with the intent of lending the panel a bit of needed texture.  Lastly, the rectangular cut reflects what was likely a thermos mount, although evidence of what might have been placed here is effectively nonexistent.

Thanks...

M.K.
« Last Edit: September 20, 2014, 10:00:08 AM by Swede70 » Logged
Jon Mello
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« Reply #271 on: September 21, 2014, 09:31:13 PM »

Mike, that oil pan is very odd looking but certainly makes sense if used previously with 180 degree headers. Thanks for including the pic of the pan on the actual car and your recreation looks perfect. You are really paying attention to the smallest of details and that will pay dividends with the end result. Nicely done!
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Jon Mello
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