Methanol injection, spark plug gap.

It's just a six

It's just a six

Super Member
I am running an Aquamist methanol injection sytem 1S.
I was wondering if I should close the gap on my plugs.
I have .040 gap now... it does not seem to miss any & runs really good right now.
Would there be any benefit in decreasing my plug gap?
BTW ... I am running an MSD 6A box.
Thanks All ! :tup:
 
It's just a six

It's just a six

Super Member
Re: Methanol injection, spark plug gap.

It's just a six said:
I am running an Aquamist methanol injection sytem 1S.
I was wondering if I should close the gap on my plugs.
I have .040 gap now... it does not seem to miss any & runs really good right now.
Would there be any benefit in decreasing my plug gap?
BTW ... I am running an MSD 6A box.
Thanks All ! :tup:
Click to expand...
I think this post gone & went before anyone saw it?
 
VermontTy

VermontTy

Support Our Troops
Re: Methanol injection, spark plug gap.

Alky likes a smaller gap than stock; try 0.028" and see what that gets you.
 
blk00z28

blk00z28

Forced to by choice
Re: Methanol injection, spark plug gap.

VermontTy said:
Alky likes a smaller gap than stock; try 0.028" and see what that gets you.
Click to expand...

Those are what mine are at right now ;)

I have a little ticking.. I dont know if its too small or not gapped enough.. I havent had time to pull them and play around with them yet.
 
sy1907

sy1907

SYCOTIC
Re: Methanol injection, spark plug gap.

What kind of boost are you running? If it's stock then i would recommend gapping anywhere from .032 to .035 If you're over 16 or 17psi, i'd close up to .030 from there on up.
 
Loeryder

Loeryder

New member
Re: Methanol injection, spark plug gap.

I gap at .028 running 19psi and meth.

Also, I quit using the iridiums with meth since I have to re-gap the new plugs.
 
It's just a six

It's just a six

Super Member
Re: Methanol injection, spark plug gap.

sy1907 said:
What kind of boost are you running? If it's stock then i would recommend gapping anywhere from .032 to .035 If you're over 16 or 17psi, i'd close up to .030 from there on up.
Click to expand...

I am running 17-20 psi range.
So... even if I do not think it is missing I should close the gap to .030?
Thanks
 
HotRudyRod

HotRudyRod

New member
Re: Methanol injection, spark plug gap.

How about spark plugs with multiple ground straps like the ZEX forced induction say 18/20lbs and alki? Any one had any experience with that kind of spark plugs? Thanks before hand.
 
P

PPI Typhoon

DIY Madman
Re: Methanol injection, spark plug gap.

I ran .028 running 26 psi. No problems. I had stumbling really bad any larger than that.
 
blk00z28

blk00z28

Forced to by choice
Re: Methanol injection, spark plug gap.

My thing is at idle I tap alot.. But as soon as I get onto the gas, and the rpm's build or I build boost its smooth as silk. I think its the gap. :dunno:
 
James Thomas

James Thomas

"NO CLASS"
Re: Methanol injection, spark plug gap.

Here is what we do on our blower engin's, do the electrode cutting, indexing or whatever your "secret modds" are etc. and close the gaps down to 0.20. Make a pass or dyno pull and open them up 4 or 5 thousands and go like that until u get a stumble then drop back several thousand. On a dyno pull it's really easy to this. It's very simular to setting you timing by bumping up then dropping back.
_____________________
James Thomas
 
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