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ggenovez · 07-20-2005, 07:03 PM

Check your timing and you may be running too rich. check the colour of the plugs. Hope that helps.

07-20-2005, 07:03 PM	#2 (permalink)
ggenovez BenzWorld Member Date registered: Jun 2005 Vehicle: 72 250 M130 W114 Posts: 100	RE: '71 250 Backfiring through the Carbs Check your timing and you may be running too rich. check the colour of the plugs. Hope that helps.