[Fot] GT6 Connecting rods

[Scott Janzen]

bummer.  40 over - best to talk to your machinist, but mine told me that cutting only ten thousandths over was not what he liked doing (though he did it because I'd already bought the pistons, and it worked out fine. 

On Dec 13, 2015, at 5:49 PM, Bud R wrote:

I had a grenade go off in my engine at the last race. Not the stock rod failing, but it appears on first inspection that an ARP rod bolt gave it up. Some bad bad things happened after that with the piston destroyed, the crank gouged, and got only knows what else. The block and #3 cylinder wall doesn’t looked scarred but we’ll see if it survived when I have it magnafluxed. 

I knew when I turned the engine upside down on the engine stand and lots of metal noises resulted I was in trouble. Now its decision time on how to rebuild. 

Suggestions are welcome. Is this the time to go 40 over from 20 since new pistons are needed? I wanted a hotter cam for next season but not this way. The crank has serious gouges and I don’t know if its savable. That’s my wallet in the pic along with the other totally broken part.

Bud Rolofson

Extreme Parts Racing (more than just a haircut)

71TR6 CC57365 (Good 6)
71 Spitfire MK IV Race Car #3
69 Spitfire MK III (back up FE engine/dinghy car)
93 Minnie Winnie Race Support Vehicle 
77 Z-50A Hardly Davidson Honda Mini-Trail Bike (Triumph Pit Bike)


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