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R Model 320 Coolpower - hard to drive - pulsing R612RST

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Hi all,

If you could please check out the link to my YouTube clip. http://www.youtube.com/watch?v=O6tLOXM4DBA

Does it sound like it is running OK. Seems to pulse on idle (sometimes it is fine though) and really pulses when you just touch the accelerator as you can hear in the YouTube clip. You really need to put your foot down but when you change to the next gear it does the same until you really put your foot down.

May be just how the truck is...our 350 R688RST is completely different.

Any advice would be much appreciated!

Thanks Steve

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  • 4 weeks later...
  • 2 weeks later...

mate had the same thing on my 320 coolpower and it needed the heads done up then it idled perfect but I think this was the exception rather than the norm a compression test will soon tell the difference the normal cause is the governer is warn out I had changed my injector pump but it made no change then I had to start looking further hope this is of some help



does it start fine ???

Edited by mrsmackpaul
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