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Backfire on gear change

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Old 06-06-2005, 10:41 AM
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Sunil_FiestaRS1800
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Default Backfire on gear change

Last week my car started missing really badly when i was dropping my old man off at Heathrow. I took it really easy on the way back using just a touch of throttle so it didnt miss.

Once home i checked the leads and took the spark plugs out. I found that two of plugs were fucked. The porclean bit was spining round and round and had up and down movement aswell. THey were Desno spark plugs and only a couple of months old. I take it there just shite plugs as the ngk's i used last time were fine for a year .

Anyways i bought some ngk platinums to reaplce the fucked denso's, and all seems fine now and the car seems to run better than ever. Only thing is now everytime i change from first to second at high revs with a quick gear change it pops and flames slightly. Is this something to worry about? How can a change in plugs cause this?? It used to doit if you backed off at high revs in any gear and then nailed it again straight away , and it still does that but it definetly didnt do it on gear change before.

It sounds good though
Old 06-06-2005, 10:52 AM
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Graceland
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i wouldn't worry about it - it all sounds fine and good, except for them Denso plugs the 200sx owners seem to rave and rant about them too
Old 06-06-2005, 10:58 AM
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Sunil_FiestaRS1800
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Originally Posted by Graceland
i wouldn't worry about it - it all sounds fine and good, except for them Denso plugs the 200sx owners seem to rave and rant about them too
Yea ive always used ngk but i went to get some and the bloke was saying these densos are well good. Used std in supras etc. So i thought fuck it ill give them a go . Wish i hadnt of listened now and jsut got teh ngks to start with . But aslong as the engine is tsill fine then its only like 15 quid wasted so not a problem
Old 06-06-2005, 11:07 AM
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