Jun 12, 2005 · Next, the shop manual says to remove the setting gage, and measure the resulting air gap which is 0.008" - 0.012". Sounds easy enough. Here's the problem, the stihl setting gage seems to set the air gap too tight, like 0.004" measured between the ignition module arms and the flywheel magnets using a feeler gage set.

Nov 6, 2024 · Watch for This: High top ring land locations, like Hyper Eutectuc require more end gap. Think of it this way, higher the ring location, higher the ring temps. I was lucky enough to work for an OEM measuring piston and ring temps, as well as ring grooves, and skirt temps.

Nov 11, 2024 · Btw, SUMMIT presently retails the AFR 4910 for $331.65, RPM Air Gap 7516 for $438.95. That's almost 25% less.

Apr 12, 2018 · Test engine was a 253 Cu in V6. Stock ign, 045 plug gap, it made 168 hp. With Platinum plugs, same 045 gap, it made 171 hp. Split Fire plugs, same 171 HP. With surface gap plugs, 172.5 hp. Then Jacobs installed one of his ign systems. With same stock plugs, same 045 gap, hp increased to 180.5. With three specialty plugs, hp dropped 1.5-2hp ...

Apr 22, 2017 · Things that determine resistance is the plug wire conductor (metal conducts better than carbon impregnated fiberglass strands), the spark gap, and the resistance in the plug (the R in the designation of an AC-delco plug denotes an internal air gap to …

Jan 11, 2024 · The rings are Mahle 4.310 + 005 file fit rings and the instructions states minimum gap for the oil ring to be 0015. The top and bottom rings are pretty straight forward and easy but how to I file oil rings?

Jan 30, 2006 · Can anyone tell me what the spark plug gap on a 454 should be. I changed the plugs on my 454 and it seems as if it is missing a little at low RPM. Does anyone recommed a good spark plug manufacturer as well. It is a mildly built motor. Thanks in advance Drew

Jul 16, 2006 · Gap is about the same as matchbook cover. Wild things have a checkered past since most owners go wild trying to keep them running after a few years of use. With spark trouble besides the coil check the flywheel, most of these had a built in key way cut into the flywheel that loosens up over time and throws the timing out.

Dec 5, 2011 · I run a 600Hp SR MKIV Holley 80511-1/Edelbrock RPM Air Gap with no Spacers, correct motor mounts and there ain't sufficient room under the hood of a 2nd GEN unless you open the hood and bolt on a 2" LT1 scoop - Remember - GM designed the 2nd GEN for Edelbrock conversion at your convince & much more convenient then 1st GEN Models.

Sep 27, 2015 · feeler gauges or calipers measure the gap between the flexplate converter mounting pad and the torque converter mounting pad. If gap distan ce is between .060” and .187” it is OK to bolt up the torque converter. If the gap is greater than .187” install a .060” flat washer between the torque converter and flexplate. 11.