Weak spark
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Joined: Jun 2014
Posts: 360
Likes: 3
From: South Jersey
Car: 88 GTA Notch/01'WS-6 VERT
Engine: 5.0 LB-9/5.7 LS-1
Transmission: 700R-4/4L60
Axle/Gears: borg warner 3.27's
Weak spark
Weak spark on cylinder 1 new Ac Delco wires and e3 plugs along with cap and rotor plus accel cool any help with this would be great 91 z28 5.7 tpi bone stock
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Joined: Jul 2006
Posts: 2,863
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From: 212 is up in this Bit@#
Car: Resto-Mod 1987 IROC-Z Clone
Engine: Alky fed L92 Vortec Twin-Turbo 6.8L
Transmission: My own built/ design 4L80M
Axle/Gears: Custom 12 bolt (4.10:1)
Re: Weak spark
Swap Spark Plugs with a different Cylinder and see if there is any change.
If no change then look at:
...Ignition Wire #1 resistance?
...Distributor Cap Corrosion inside at Contact for #1 Cylinder?
If no change then look at:
...Ignition Wire #1 resistance?
...Distributor Cap Corrosion inside at Contact for #1 Cylinder?
Joined: Feb 2017
Posts: 4,174
Likes: 569
From: Meriden, CT 06451
Car: 84 TA orig. 305 LG4 "H" E4ME
Engine: 334 SBC - stroked 305 M4ME Q-Jet
Transmission: upgraded 700R4 3200 stall
Axle/Gears: 10bolt 4.10 Posi w Lakewood TA Bars
Re: Weak spark
SWAP means interchange. See if the problem moves.
Did you look at the plug for the proper gap? If you, or someone else dropped it, then it will not function as designed.
If you got a little too crooked with the spark plug socket, then you might have cracked the porcelain.
And NEW does not automatically mean GOOD.
Did you look at the plug for the proper gap? If you, or someone else dropped it, then it will not function as designed.
If you got a little too crooked with the spark plug socket, then you might have cracked the porcelain.
And NEW does not automatically mean GOOD.
Last edited by NoEmissions84TA; Mar 18, 2022 at 10:10 PM.
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