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Old 08-23-2013, 09:36 AM   #76
Never Summer
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Dang, I can't see photobucket/flickr/imageshack from work. It's blank
Sent u a pm
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Old 08-23-2013, 09:42 AM   #77
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Sent u a pm
Got it. Ya, that's for the vacuum line like you said. I need actual barb fittings for the fuel feed(s) and return line! So something that looks like that but will work for the fuel delivery ports.
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Old 08-23-2013, 10:18 AM   #78
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Sent u a pm
Thanks again dude, huge help!!
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Old 08-23-2013, 10:24 AM   #79
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Thanks again dude, huge help!!
keep us updated. should take car of you problems with a little tuning.
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Old 08-23-2013, 10:32 AM   #80
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Npt threads are different from an threads, it will leak if you try and use them. Go on jegs or summit and order some -6an ORB (o-ring boss) to 5/16 barb fittings.
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Old 08-23-2013, 10:56 AM   #81
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Quote:
Originally Posted by sexyyrex View Post
keep us updated. should take car of you problems with a little tuning.
Thanks man!

Quote:
Originally Posted by dstroy View Post
Npt threads are different from an threads, it will leak if you try and use them. Go on jegs or summit and order some -6an ORB (o-ring boss) to 5/16 barb fittings.
Dang, ok. Even if I use teflon?
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Old 08-23-2013, 11:11 AM   #82
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Do not use Teflon.
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Old 08-23-2013, 11:12 AM   #83
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Thanks man!

Dang, ok. Even if I use teflon?
Threads are diff. You'll end stripping them and then you'll be spending 2-3x
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Old 08-23-2013, 11:40 AM   #84
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Quote:
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Dang, ok. Even if I use teflon?
Gasoline dissolves pipe thread Teflon readily, which is different than extruded teflon piping. And yes, even if you did use it the threads are completely different, an fittings seal without the need of anything, except the port fittings which use viton o-rings most of the time.
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Old 08-23-2013, 09:25 PM   #85
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Ok BIG UPDATE!

Got the fuel pressure regulator in. Pulled out all of the stock stuff: regulator, dampeners, balance line, ect. Confirmed fuel pressure is good at idle, 43.5. STILL HAVE THE SAME ISSUE?!!?!? The fuel is there, the pressure is there. Any other ideas?
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Old 08-23-2013, 11:15 PM   #86
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Also, I pressure tested the intake track and it's fine. I'm at a total loss now.....once again.
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Old 08-23-2013, 11:30 PM   #87
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if anyone is looking for -6 AN ORB to 5/16 hose barb this is where i got mine:
http://www.ebay.com/itm/230567116297...84.m1497.l2649
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Old 08-23-2013, 11:43 PM   #88
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Quote:
Originally Posted by 20wrx09 View Post
if anyone is looking for -6 AN ORB to 5/16 hose barb this is where i got mine:
http://www.ebay.com/itm/230567116297...84.m1497.l2649
Thanks man, that would've saved me a lot of money lol
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Old 08-24-2013, 10:52 AM   #89
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Originally Posted by 20wrx09 View Post
if anyone is looking for -6 AN ORB to 5/16 hose barb this is where i got mine:
http://www.ebay.com/itm/230567116297...84.m1497.l2649
I bought those too. They are NOT anodized, E85 may attack raw Al. I anodized them myself. Great fittings.

Op don't forget to tune for the new setup.

Last edited by ALOKIN; 08-24-2013 at 12:26 PM.
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Old 08-24-2013, 04:56 PM   #90
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Old 08-26-2013, 09:33 AM   #91
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Another observation was the car didn't do this when I had my o-ring slide down on the pump nipple right after startup (o-ring spacer/place-holder slid down on pump). Fuel pressure would drop from 43.5psi to 10psi (I'm assuming o-ring slid down at this point?) once the car went into Closed Loop after being started (from Open Loop and pump duty cycle of 100%). Car didn't hunt but it wouldn't rev over 3000rpm....AFR would go really really really lean and start to pop at 3k. No mis-fires or knock during this even though.
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Old 08-26-2013, 09:41 AM   #92
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the car is STUPID rich at 2k and 3k, no wonder why it wont advance in the RPM range. Car is basically choking on the fuel. Check your injector scaling. The only reason why your idle is okay is because the car can adjust its fuel trims to idle. I'm starting to think its no longer a mechanical issue and definitely a tune issue.

Last edited by sexyyrex; 08-26-2013 at 09:53 AM.
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Old 08-26-2013, 10:01 AM   #93
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the car is STUPID rich at 2k and 3k, no wonder why it wont advance in the RPM range. Car is basically choking on the fuel. Check your injector scaling. The only reason why your idle is okay is because the car can adjust its fuel trims to idle. I'm starting to think its no longer a mechanical issue and definitely a tune issue.
I was kind of leaning (no pun intended) to a poss tune issue. OP tunes his own car. He's been spending alot of cash on mods and etc to try and fix the prob. OP maybe it wouldn't hurt to get an etune thru a reputable tuner? Just to see if I can atleast get some better results then what ur getting. They always say a second set of eyes is better then one!
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Old 08-26-2013, 12:01 PM   #94
wgr73
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Quote:
Originally Posted by sexyyrex View Post
the car is STUPID rich at 2k and 3k, no wonder why it wont advance in the RPM range. Car is basically choking on the fuel. Check your injector scaling. The only reason why your idle is okay is because the car can adjust its fuel trims to idle. I'm starting to think its no longer a mechanical issue and definitely a tune issue.


Quote:
Originally Posted by Never Summer View Post
I was kind of leaning (no pun intended) to a poss tune issue. OP tunes his own car. He's been spending alot of cash on mods and etc to try and fix the prob. OP maybe it wouldn't hurt to get an etune thru a reputable tuner? Just to see if I can atleast get some better results then what ur getting. They always say a second set of eyes is better then one!

I've been playing with the tune trying different things. I've also been working with other people (reputable tuners), Cobb being one of them. I can pull all of the fuel I want in the 2-3k region and the issue still remains. In fact, it will do this very same thing at idle occasionally. I didn't take a long enough video to show that issue.

These corrections are gross corrections, the fluctuate between -25% and +25% at any given rpm (wideband/video verified). To me it seems like there is an issue outside of tuning. Don't forget, it did this same thing on stock injectors/tune, just not as bad.
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Old 08-26-2013, 01:31 PM   #95
wgr73
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Quote:
Originally Posted by sexyyrex View Post
the car is STUPID rich at 2k and 3k, no wonder why it wont advance in the RPM range. Car is basically choking on the fuel. Check your injector scaling. The only reason why your idle is okay is because the car can adjust its fuel trims to idle. I'm starting to think its no longer a mechanical issue and definitely a tune issue.


Ahhhhh, I wasn't clear. I re-read your post.

So the car wouldn't advance in the 2-3k range *when the o-ring came loose* causing the car to run 18+afr .....it would lean out above 2-3k not go rich. I kind of posted 2 scenarios in 1 post, my fault. The video I posted was after I fixed the o-ring, with steady fuel pressure.

The issue now that the o-ring is fixed is that it won't hold a steady afr at anything below 5k. Sometimes it holds steady at idle, but not all of the time.
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Old 08-29-2013, 01:22 PM   #96
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Looks like the car will be going to the shop. I can't spend anymore time on this and not get anywhere (70+hrs already in to it). Thanks for the assistance guys
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Old 10-03-2013, 03:44 PM   #97
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Decided to pull the engine myself. Bent intake valve and weak valve springs are what I've found so far....1 bent valve for sure. The others look ok at.

Time to build the heads
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Old 10-03-2013, 04:18 PM   #98
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Decided to pull the engine myself. Bent intake valve and weak valve springs are what I've found so far....1 bent valve for sure. The others look ok at.

Time to build the heads
Thx for the update. Sorry about your heads bro!
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Old 10-15-2013, 09:01 AM   #99
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Thanks summer.

So Got all of the parts in and took them to the machine shop. Looking at hopefully being able to put it back together this week and fire her up! Let's see how it turns out, I miss the car badly
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Old 10-15-2013, 09:05 AM   #100
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Thanks summer.

So Got all of the parts in and took them to the machine shop. Looking at hopefully being able to put it back together this week and fire her up! Let's see how it turns out, I miss the car badly
out of curiosity, how bad was the valve bent?
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