Perfect idle - mission accomplished!

mrweelr

mrweelr

New member
I can now say with much joy that my Syclone idles perfectly. No more surges, jolts, bouncing tach, etc. It just purrs like a damn kitten :grin: Of all things I did, it was the new NGK UR6 plugs and Borg/Warner cap and rotor that seemed to clean up the idle once and for all. I read somewhere in the GMC service manuals that SyTy engines have a normally "rough idle" which is due to lean conditions at idle speeds. Sounds like a crock of shit to me :roll:
 
Sy229

Sy229

Move with Purpose
LOL!

I'll second the NGK results. They didn't cure the problem completely, but it's been the biggest improvement by far of all the other changes I've made.

Rob
 
N

nomoty

Still Boosted
man i just did the ur6ix's and new wires ran great the best since i bought it and now its hissing at idle missing again and got this dentist drill sound when i get on it...
 
Ian Turgeon

Ian Turgeon

Cascading Inspiration
229 had a crappy idle all of its life, even before it's rebuild. I remember when it would seem like it was going to stall out at a drive through. It would cut out putting it into gear, warm or cold. The hood would shake at idle.

The final fixing combination:
switch from atr pitbull to modified AYBN prom (stock specs except ic pump, egr, boost flag, speed limit)
Replaced ESC unit,vacuum lines, wires, cap, rotar, CR42TS's then ur-6's,
 
B

BigDaddyRich

New member
I remember my old chevy used to surge like that at Idle. The cause was a bad EGR valve and a lot of worn out or cracked plastic vacuum lines.
 
D

Dan B

Junior Member
Sy229 said:
LOL!

I'll second the NGK results. They didn't cure the problem completely, but it's been the biggest improvement by far of all the other changes I've made.

Rob
Click to expand...
Had no idea "LOL" was a thing 22 years ago .. first time I heard it was in 07 then again I do spent most of my time under my rock.
 
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