i have a 1986 Mustang 552. great little machine that doesnt owe me a dime. no leaks. MACHINE IS LOSING ENGINE POWER AT FULL OPERATING TEMPERTURE. RPMs drop and machine loses power as a result. I am a professional parts changer that is guided by great mechanics. LOL. CAN ANNYONE OFFER TROUBLE SHOOTING ASSITANCE. ENGINE IS AN ISUZU 4JB1 we mainly use this machine on our property at home in NJ.
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