1991 Zr-1 Stumbling off idle - ZR-1 Net Registry Forums

02-10-2014

#13

Paul Workman

Join Date: Nov 2007

Location: Squires (near Ava MO in the Mark Twain N'tl Forest) - Missouri

Posts: 6,493

Re: 1991 Zr-1 Stumbling off idle

Quote:

Originally Posted by Schrade

I've been investigating this since Oct.

Marc H (an authority), says it's normal.

I like the DM approach, but I'm not sure what the OP is experiencing is that same as yours. His sounds more severe, and all the way from 1200 up to 2000 rpm...and throwing a DIS code is a "horse of a different color", i.e., not "normal".

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90 #1202
"FBI" top end ported & relieved
Cam timing by "Pete the Greek"
Sans secondaries
Chip & dyno tuning by Haibeck Automotive
SW headers, X-pipe, MF muffs

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