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MATCHED PAIR OF HIGH PERFORMANCE CONRODS, LARGE JOURNAL

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MATCHED PAIR OF HIGH PERFORMANCE CONRODS, LARGE JOURNAL

Part No
064896TE
RGM Approved

MATCHED PAIR OF HIGH PERFORMANCE CONRODS, LARGE JOURNAL


WE HAVE BEEN GETTING REPORTS OF FOULING ISSUES WITH THESE CONRODS ON 650SS CRANKCASES.  WE RECOMMEND YOU USE 064896.

THUNDER ENGINEERING
(UK MADE) CONNECTING ROD FOR ROAD OR RACE SUPPLIED IN PAIRS. USE ON NORTON LARGE JOURNAL HEAVY TWINS :- 650, 650SS, ATLAS, P11, COMMANDO 750, COMMANDO 850 AND 920 WITH STANDARD SIZE PIN.  FIT THESE RODS AND ELIMINATE THE POSSIBILITY OF A ROD FAILURE AND THE CATASTROPHIC DAMAGE THAT ENSUES.

NOTES RE THUNDER ENGINEERING CONRODS
THESE UK MADE THUNDER ENGINEERING LIGHTNING RODS ARE A PRECISION, HIGH STRENGTH, QUALITY CONNECTING ROD WHICH WHEN PROPERLY INSTALLED WILL PERFORM FAULTLESSLY IN YOUR RACING OR ROAD ENGINE.  
LENGTH: BIG AND SMALL END DIAMETERS ARE AS STANDARD.
WEIGHT IS APPROX: 413 GRAMS EACH, AN ASSORTMENT OF STANDARD RODS WEIGHED IN AT 410, 414, 395, 387 & 415 GRAMS.  
THESE CONNECTING RODS ARE SUPPLIED AS A MATCHED PAIR.
ENGINE RE BALANCING IS RECOMMENDED, DYNAMIC BALANCING BEING THE PREFERRED METHOD.

WE WOULD LIKE TO OFFER SOME SUGGESTIONS THAT SHOULD BE HELPFUL IN YOUR INSTALLATION.

BOLTS
ALL BOLTS SHOULD BE LUBRICATED UNDER THE HEADS AS WELL AS THE THREADS USING HIGH QUALITY ENGINE OIL.  DO NOT USE LOCTITE.
THE BOLTS SHOULD BE TIGHTENED EVENLY TO BRING THE CAP AND ROD TOGETHER.  THEN TORQUED TO 15FT LBS FOR THE INITIAL SETTING, THEY SHOULD THEN BE FULLY TIGHTENED TO 40-43 FT LBS.

CARE MUST BE TAKEN TO ENSURE THE ROD CLEARS THE BOTTOM OF THE CYLINDER BARREL AND THE CRANKCASES WHEN THE ENGINE IS TURNED OVER.  THE CYLINDER BARREL SKIRT CAN BE SLOTTED IN THE STANDARD MANNER OR THE EXISTING SLOTS ENLARGED AS REQUIRED.  ALL SHARP EDGES SHOULD BE FILED AND THEN SMOOTHED WITH ABRASIVE PAPER TO PROVIDE A SMOOTH AND BLENDED FINISH.
WHILST EVERY CARE IS TAKEN TO ENSURE THESE CONRODS ARE A DIRECT REPLACEMENT FOR STANDARD ONES SOME FETTLING MAY BE REQUIRED AND IN SOME CASES IT MAY BE NECESSARY TO CHAMFER THE BIG END BOLTS.

PLEASE NOTE: IT IS THE ENGINE BUILDERS RESPONSIBILITY TO ENSURE THESE CONRODS ARE FITTED CORRECTLY.




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