Plug Gap 5.3 2001
06-20-2007, 08:04 AM
#1
Registered
Thread Starter
Plug Gap 5.3 2001
I want to change the plugs on my 01 5.3 Suburban, The plugs Bosch Plantinum come gapped at .04 and , the owner manual says .06. What do you think I should do,
06-21-2007, 11:32 AM
#2
Gold Member
Gold Member
Not sure about the Bosch, but I just put Denso's in my 840 and they came with a warning not to gap. They said it could break the ground strap. They were at .04 and they worked great, quicker starts and smoother idle.
06-21-2007, 11:53 AM
#3
Registered
Gap to factory specs at .06
Bosch gaps are set for majority of mfrs at 035 to 050. GM has a coil per cylinder and 060 works fine- better burning for the mixture.
Wannabe
Bosch gaps are set for majority of mfrs at 035 to 050. GM has a coil per cylinder and 060 works fine- better burning for the mixture.
Wannabe
