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Discussion Starter · #1 ·
My supra seems to be missing every once in awhile at highboost. Its not very bad just maybe 1 spark here and there. It only happens on 3rd gear pulls. Im running a 1.3 bar on an SP66. I have new plugs in. The 4th cylinder has some oil on the theads. Others seem fine.

Compression reads
180 170 175 170 170 175
 

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148 Posts
Discussion Starter · #4 ·
the gaps looked fine. They are brand new plugs. Ive got the HKS DLI Twin Power Ignition also could it just be the colpacks?
 

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You most likely need new coil pack plugs or a new coil pack...The plugs look fine but the terminals on the wires need to be crimped down a bit. Replace the coil pack plugs while doing this. Hope this helps.
 
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