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Thread: Stutter/Miss on higher than stock Boost.

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Posts: 11-20 of 29
2009-04-25 22:52:49
Originally Posted by 92BoostedSER
I had the same problem with my Avenir. Later found out the spark plug tip blew off and ended up blowing my 2nd cylinder piston. I don't know what to tell you. Maybe try some NGK7es11's or something, I used those and they work(ed) great

Pull the plugs, check the tips to see if theyre soaked in oil
Then do a compression check just to be on the safe side to make sure everything is good in the block

No oil on the plugs - Leads are aftermarket 10.5mm and fairly new (same with the plugs)

I do have some Iriway 8's in the garage bran spanking new and will also use some stock leads to see if it still does it.

Here what ALL of my plugs look like when i pulled them

2009-04-26 01:09:10
Well - I have fixed the problem. I swaped the leads with my spares and the miss is gone! Another problem/issue im having, if i floor it in a low gear when set on 15psi, it will hit 15 then swing back to 10/11
2009-04-26 01:11:16
leads = spark plug wires?
2009-04-26 01:31:11
Just so you know, you should only run NGK wires, sumitomo wires, or Ultra Power wires (red).

Anything else just doesn't cut it.
2009-04-26 01:32:10
I disagree - Ive had no problems with OEM wires!
2009-04-26 01:37:09
Originally Posted by unijabnx2000
I disagree - Ive had no problems with OEM wires!

OEM = Sumitomo...
2009-04-26 01:38:52
Originally Posted by TeKKiE
OEM = Sumitomo...

2009-04-26 01:45:14
The leads i were using was Eagle leads 10.5mm. Im using the stock ones for now. (which stopped the miss) Anyone got any opinions on the boost thing?
2009-04-26 01:50:43
restrictive exhaust, boost leak....?
2009-04-26 02:06:17
Well i have 2.5" Exhaust right back. Boost leak cool be possible will look into that.
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