its ok to get old threads up. do a plug chop,
Plug Chop How To?
sounds like it might be lean or have a air leak, if its been setting then a seal might be bad. try spraying wd40 or something around the intake base gaskets and crank seals and all other gaskets if the idle changes then u have a leak. if its leaking then dont run it till its fixed
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ANDY 
my 2000 blaster
foam filter from toomey
4 degree key from dustin420
toomey b1
oil block off kit
Boysen power reeds
worn out stock front tires
20x11x8 razr
bored .020 over
3mm stroker
have flotek port and polish to match stroke this winter
but i was fired and just waiting to go back to work