Coles Challenger V8

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MikeGT40

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I recently purchased the Challendger V8 from Coles then noticed that the exhaust ports/manifold is mounted on the inside (between the heads). Has any one modified this engine so that the exhaust ports are located on the outside?

Anyone who has done this before or know someone who has made such a modification, please provide contact information.

All the help would be greatly appreciated.

Thanks.
 
stevehuckss396
Thanks for the info. I've emailed Ken Hurst (email listed on the http://www.nvbackflow.com/engines/ site) numerous times without a response.

I was fortunate enough to find Roger Butzen, who also modified his Challenger with overhead values, and is gracious enough to sell me the plans. He also installed a Blower on several of his Challenger models.

On another Forum, someone mentioned the Schillings V8 motor plans were available. This is the link (the site is in German)
http://www.vth.de/shop/warenkorb/ar...137b378933b11d89908d640.html?cHash=8407db4a24

While searching the site, I also found a link to a book Hubert Schillings published in 2001 with good information and pictures on building model engines.
http://www.vth.de/shop/warenkorb/ar...f979aa1ddfe4a39ccab8dc7.html?cHash=d6b2283613

On another note, I read in a very early thread somewhere that you were working on modeling a 5/8" bore (1/5 scale) engine in SolidWorks. Do you have a link to the progress you've made on the model?
 
MikeGT40 said:
On another note, I read in a very early thread somewhere that you were working on modeling a 5/8" bore (1/5 scale) engine in SolidWorks. Do you have a link to the progress you've made on the model?
Click to expand...

It is in Alibre.

I have decided that the 5/8 X 5/8 is the perfect size but i need to get away from the peewee parts. I redesigned alot of the peewee parts so it wont be much of a leap. I am working on a head that will cover the rockers but it will require an 8-32 plug. If I can get the head figured out, It will be all but done.

Pictures of the block, crank, and blank for the cam



untitled.JPG


untitled2.JPG


untitled3.JPG
 
Steve,
Yes, I've been searching both Forums. I am making some progress on finding plans. My goal is a 1/4 scale Ford 427. I'm also heading in another direction in that I have located a local Ford engine builder who will allow me to take dims from a 196? Ford 427 FE block. He also has access to a CS 427 Aluminum block and I may get access to that.

I will model the engine in SolidWorks. I have also located some original (not complete) 427 FE drawings from Ford which are from a 1969 Fairlane and will use as a guide line.
 
I'd be interested in the 427 or model A either one if ya can come up with something for someone without cnc.
 
Just got confirmation from Roger Butzen that he mailed out the necessary documents and drawings which will show me how to modify the Challenger V8 for overhead valves. Thanks again to Roger Butzen.
 
Hi there, just wondering if I could get the contact details for roger butzen as I to would like the drawings for the ohv conversion.
thanks
Dean
 
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