Classic Winnebagos & Vintage RVs
Topic Boards => Chevy - GMC Chassis => Topic started by: jbmhotmail on January 02, 2013, 01:41 AM
I did a forum search and could not find any hits on subject.
My question is, has anyone tried Pulstar Iridium Spark Plugs? If so, do they put out any improvement in MPG? For my 1985 Winnebago Chieftain, 22 ft, 454, I found a price of $86.76 (CB1I @ $10.12 each X 8 plus $5.80 shipping, total $86.76 to 86314 (AZ)) at Spark Plug Auto dot com.
Thanks
Jerry
PV, AZ
FYI: Chevy 454s like the STOCK spark plugs, modestly gaped at .042. They don't like fancy plugs, and they are just a waste of money.
Its better to invest that money in the best spark plug wires and boots that you can find.
Kev
Found out the same with NGK Iridiums. High price, no difference whatsoever. Went back to stock.
I went with MSD Super Conductor Wires with adjustable angle boots.