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Surging At Full Thottle Only At About 4000Rpm Help!


TXR05

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  • Silver Donating Members
  • Member For: 19y 2m 4d
  • Gender: Male
  • Location: North West Hot Hell,VIC

Similar initial symtoms like yours, felt like slight surge at around 4k and then got progressivly worse over the next week until it got to the stage of doing it lower in the rpm range and cleary missing under load.Ended up being coil packs even though a resistence test put them within spec.

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  • Member For: 13y 8m 8d
  • Gender: Male
  • Location: Brisbane QLD

Might buy some on ebay tonight along with plugs. if this doesnt work, I'll go to the dyno with a new set of plugs and coils lol.

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  • Member For: 13y 8m 8d
  • Gender: Male
  • Location: Brisbane QLD

Hey guys. Just thought I would update this. Turns out 2 coil packs were almost dead and the gap in my plugs were off.

Bought new coils and Plugs from super cheap and the car ran worse! Misfired beond beliefe after 4000 rpm. Changed back to old plugs and she ran much better. Turns out that they have me standard ba plugs with a 1.3mm gap when I need .8mm. All sorted now!

Thanks for you advise guys! Much appreciated!

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  • Member For: 18y 6m 1d
  • Gender: Male
  • Location: Melbourne, VIC

You can't run one of these things modified and stretch pennies IMO, they aren't a cheap car to run once modified... Especially a BA, trust me I know..

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