Idle jumps when clutch engaged
Looking for some suggestions. 81 K5 Blazer purchased a couple of weeks ago. Runs great down the road. Come to a stop sign, red light etc., engage clutch and engine races to 1200-1500 RPMs. I have to mash the gas pedal to kick it back down to 800. Any ideas? I've replaced most of the vacuum lines
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1981 K5 Blazer 305, 4spd, 4x4, 4" Lift, custom bumpers, Warn 9.5 Ti Winch
1995 T10 Blazer 4.3L 4x4 (Son's)
2004 GMC Envoy 4.2L 2WD
2005 GMC Sierra Crew Cab Z71 4x4 5.3L
240 Fun Finder Travel Trailer
Harvest, AL 35749
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