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**Murlo26** · 09-24-2012

So today starting logging the new MAP, which slowed spool down because it was surging. So backed MIVEC down.

Here is what happened with boost when it surged.

Keep in mind, warmer now then when I took the last logs by about 30degrees.

Then, second run, found some issues it looks like.

I did these runs about 2 mins apart, so we are thinking I simply emptied the basket where the fuel pump sits. So looking like I might need a surge tank anyway

At around 7500 or so I stop watching fueling and start watching rpms for letting off for shifting etc and watch knock. The car didn't knock at all above like 6k, just small stuff lower down which I think is motor noise.

The new fuel setup has plenty of fuel pump I think its just at lower tank levels the basket drys up now. I was at 1/4 of a tank.

So I guess over the winter its time to research surge tanks.

09-24-2012	#2361
Murlo26 Join Date: Dec 2009 Location: Lino Lakes Drives: 17 Honda Accord Posts: 4,041	Re: Dave's Evo X Build/The Life of Dave blog So today starting logging the new MAP, which slowed spool down because it was surging. So backed MIVEC down. Here is what happened with boost when it surged. Keep in mind, warmer now then when I took the last logs by about 30degrees. Then, second run, found some issues it looks like. I did these runs about 2 mins apart, so we are thinking I simply emptied the basket where the fuel pump sits. So looking like I might need a surge tank anyway At around 7500 or so I stop watching fueling and start watching rpms for letting off for shifting etc and watch knock. The car didn't knock at all above like 6k, just small stuff lower down which I think is motor noise. The new fuel setup has plenty of fuel pump I think its just at lower tank levels the basket drys up now. I was at 1/4 of a tank. So I guess over the winter its time to research surge tanks. Last edited by Murlo26; 09-24-2012 at 03:54 PM..