Correct plug gap, other tune-up q's
#1
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Correct plug gap, other tune-up q's
Well, I bought some replacement AC delco plugs at the local store. They gave me .045 gap plugs, but I looked under the hood and in my manual. They say .035. Have to return them (for a 305 TPI)?
Second question involves how the hell do you get to the rear plugs on the passenger side? Is there some trick I'm not seeing?
Thanks, Dave '91 T/A (305 TPI), '91 GTA
Second question involves how the hell do you get to the rear plugs on the passenger side? Is there some trick I'm not seeing?
Thanks, Dave '91 T/A (305 TPI), '91 GTA
#2
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Location: Hampton Roads. VA
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Go at it from under the car, it isnt incredibly hard, but definately a pain in the *** . Go by what our emmisions label reads unless you have mods.
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With this car, it's never a question of "can I...", only "will I..."!
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With this car, it's never a question of "can I...", only "will I..."!
#3
TGO Supporter
plugs don't come pregapped, you have to do it, or at least check. there is a good chance the plug maker will gap them to fit most applications, but there is a chance they won't be gapped to yours. the gap can also get closed in shipping and handling the plugs.
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ICON Motorsports
1st & 3rd
MM Black Diamond 538 F&AM
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ICON Motorsports
1st & 3rd
MM Black Diamond 538 F&AM
#4
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Hey not to barge in with a question but I was wondering if I would notice any differance if I opened my gap up a little more. Stock is .035 and that's where I've got them gapped at now. My Mods below
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'87 Trans Am:
(Engine)
305 TPI
180 Degree Thermostat
JET Fan Switch
TB Bypass
Accel 300+ 8.8 Racing Wires
Accel Super Coil
Bosch Platinium Plugs
Custom Ram Air with K&N
Removed Emissions Equipment & Cat.
(Stereo)
Full Kenwood Excelon System
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'87 Trans Am:
(Engine)
305 TPI
180 Degree Thermostat
JET Fan Switch
TB Bypass
Accel 300+ 8.8 Racing Wires
Accel Super Coil
Bosch Platinium Plugs
Custom Ram Air with K&N
Removed Emissions Equipment & Cat.
(Stereo)
Full Kenwood Excelon System
#5
TGO Supporter
if you open the gap you'd expose more spark area to the a/f mixture, the down side is if you don't have strong ignition you weaken the spark. i usually try to go .005 or .010 over stock with a stronger coil.
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ICON Motorsports
1st & 3rd
MM Black Diamond 538 F&AM
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ICON Motorsports
1st & 3rd
MM Black Diamond 538 F&AM
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