Screw it. I'll eat crow.

[Headless hula]

 

[Headless hula]

rain started...

ill wait till it stops to try some more.

 

[Runs2rch]

13.3-13.6 where you are trying to end up?

 

[Headless hula]

13.3-13.6 where you are trying to end up?

Id feel much better in the 12's to start...

First time doing this... if i let the smoke out, itll be my own fault.

 

[Runs2rch]

Id feel much better in the 12's to start...

First time doing this... if i let the smoke out, itll be my own fault.

12.6/12.7 cruising with 12.2-12.3 at wot would be super safe.

 

[Headless hula]

12.6/12.7 cruising with 12.2-12.3 at wot would be super safe.

I made 3 more bin files, adding 12,15,and 20 percent respectively, to the last 2 columns rpm over 2800.
Every thing below that was in the 11-12 range. As it sits now, it won't spin faster than 3250 rpm.
Waiting for this dumb rain to quit so i can go back to the lake and see whats goin on.

 

[Runs2rch]

I made 3 more bin files, 12,15,and 20 percent respectively.
Waiting for this dumb rain to quit so i can go back to the lake and see whats goin on.

Looking forward to the results!

 

[Headless hula]

Looking forward to the results!

Me too. 25% more hp than the old motor should make some ball caps blow off. Or so you'd think....

 

[Headless hula]

Afrs in the 10's everywhere now.

Went 67mph @4400.

Pulls harder than a teenage boy. :yikes

 

[Headless hula]

Hey Trash, how many 02's have you gone through? Do yoy keep a spare? Curious. I just grabbed a backup.

 

[Headless hula]

I dont always buy 02 sensors on a saturday from crapa, but when i do, I pay out the ass for them...

 

[Trash]

Hey Trash, how many 02's have you gone through? Do yoy keep a spare? Curious. I just grabbed a backup.

I'm on my 2nd sensor in 7 years. First one lasted about 2 years but got some water spit on it during shut down and the motor just slightly hiccup'ed, hence the failure. Current sensor has been running for 5 years of continuous full time use.

I do not keep a spare. My tunes are mostly dialed in and safe for now with my current prop inventory.

 

[Trash]

View attachment 575594

First, I noticed you have the MEFI 411 XDF file selected? I use MEFI 110 XDF. Not sure if that is causing you issues on your loads since I thought you were using a MEFI 1 ECM.


This should give you a starting point from which to compare. Two major points to be aware of. This is for a 377 cid motor (slightly smaller than yours) but with larger injectors (42 lb/hr).




The red area is where the motor will operate 99% of the time. It is nearly impossible to stray outside that ellipse while on the water. You may briefly see areas above and to the left when doing snap idle decel (i.e. WOT then slam to idle) very briefly but the motor quickly falls back into the elliptical region.

AFRs are:

Idle cold 12.5
Idle warm 13.6-14.1
Off idle transition 13.2 ish
Heavy load coming on plane 12.2-12.8 (slow throttle roll on)
Normal cruise 2800-3600 rpm 12.8-13.2
>= 4000 rpm 12.8 to 12.4 WOT

All these numbers are based on steady state conditions or slow transition. Heavy acceleration will induce AE and AFRs will be a little richer as expected.

 

[Headless hula]

First, I noticed you have the MEFI 411 XDF file selected? I use MEFI 110 XDF. Not sure if that is causing you issues on your loads since I thought you were using a MEFI 1 ECM.

View attachment 575758
This should give you a starting point from which to compare. Two major points to be aware of. This is for a 377 cid motor (slightly smaller than yours) but with larger injectors (42 lb/hr).


View attachment 575759

The red area is where the motor will operate 99% of the time. It is nearly impossible to stray outside that ellipse while on the water. You may briefly see areas above and to the left when doing snap idle decel (i.e. WOT then slam to idle) very briefly but the motor quickly falls back into the elliptical region.

AFRs are:

Idle cold 12.5
Idle warm 13.6-14.1
Off idle transition 13.2 ish
Heavy load coming on plane 12.2-12.8 (slow throttle roll on)
Normal cruise 2800-3600 rpm 12.8-13.2
>= 4000 rpm 12.8 to 12.4 WOT

All these numbers are based on steady state conditions or slow transition. Heavy acceleration will induce AE and AFRs will be a little richer as expected.

That is some very valuable info trash. Thank you.

 

[Headless hula]

We named it the 411 xdf file, because that's the displacement of the engine.

 

[Trash]

We named it the 411 xdf file, because that's the displacement of the engine.

Oh, so you renamed the definition file but it is still the MEFI 1 xdf. Got it. I was thinking MEFI 4 and the address spots don't marry up with a MEFI 1 so I was confused.

With the table you displayed what were/are your AFRs at the major break points?

 

[Headless hula]

So after flogging the crap outta this new motor, its become apparent that a few changes were in order.

More breather is necessary, and a baffle below the pcv.





The baffle is welded below the pcv, on the valley side of the intake.

 

[Headless hula]

Fuck me.

 

[DRYHEAT]

Fuck me. View attachment 576940

Were you able to find the pieces?

 

[Trash]

Are those Vortec heads milled enough for the lift? Coil bind?

 

[Headless hula]

Yes, they were milled correctly. Yes, i found the piece. Faulty part. New springs, retainers, and keepers installed. Headed home to reinstall the rest.

 

[Headless hula]

Getting there.

 

[Headless hula]

74.8@5000

10.75 afr...

Things are looking up.

 

[Trash]

74.8@5000

10.75 afr...

Things are looking up.

What is your BPW and advance at that point? Lean 'er out a tad...

 

[Headless hula]

Freakin rain off and on today.
Here's a pic to tide you over.


And here's a pic of what tides me over...:skull

 

[Headless hula]

[video=youtube_https;GNtaMjmApxI]https://youtu.be/GNtaMjmApxI[/video]


Here we go

 

[Jimmy]

[video=youtube_https;GNtaMjmApxI]https://youtu.be/GNtaMjmApxI[/video]


Here we go

Very nice[emoji108]
Where we at with top speed?

 

[Headless hula]

Very nice[emoji108]
Where we at with top speed?

Still hovering around 75. I haven't taken the time to make any more changes. I've got a bit of a journey starting tomorrow, and i really wanted to get some wind in my face before I leave.

 

[Headless hula]

[video=youtube_https;o_J_D4Tz1f8]https://youtu.be/o_J_D4Tz1f8[/video]

 

[redone76]

Sounds good man!! Keep it up!

 

[Headless hula]

Dunno if you folks saw my thread in the lounge about busting my toy....

Figured it'd be a winter project, and dropped the old motor back in. Had a yuuuge disdain for the lack of ponies.

Went a little bananas, and fixed my rocker stud situation.
Pulled the stock pressed in studs, tapped the holes, milled some space for guide plates. Now the rocker studs match my main cap and head bolts. 😎 Had 2 bad pairs of lifters, so replaced them with a fresh set of morels, .120" wall pushrod, and a set of full roller 1.6 rockers.





Brought it home tonight. Drive is pulled, hatch is off, yanking the anemic 400hp out right now.

 

[Headless hula]

Glad I had a V-8.

 

[Kylemenz1]

IThe amount of work you get done in the short amount of time is amazing.

 

[Headless hula]

IThe amount of work you get done in the short amount of time is amazing.

Hahahaha.. thanks.

I try to post as I'm working. The amount of posts is directly proportionate to the amount of smoke breaks I take. :skull

Just about halfway swapping accessories and wiring harness.

 

[skidsteer]

Been following your rebuild and just noticed how far your grub screws are out of your locks , are they long screws or not many threads in the locks i like to see them in further than that ,hate to see all this work undone by a grub screw backing out cheers skidsteer

 

[Headless hula]

Been following your rebuild and just noticed how far your grub screws are out of your locks , are they long screws or not many threads in the locks i like to see them in further than that ,hate to see all this work undone by a grub screw backing out cheers skidsteer

There's 3 full turns engaged. Thanks for the comment!

 

[Headless hula]

Just in time for the weekend.

I'm not quite ready to put my grass skirt away.

Hula will be haulin some ass this weekend.

 

[milkmoney]

Just in time for the weekend.

I'm not quite ready to put my grass skirt away.

Hula will be haulin some ass this weekend. View attachment 584329

We need pics of said ass[emoji106] [emoji202]

 

[poncho]

Good luck this weekend Brother. :thumbsup

 

[Headless hula]

Back in business. 😎

 

[Headless hula]

Just doing my thing. 😎

 

[Headless hula]

 

[Headless hula]

Making a glove box. Today's weather kinda sucked, so shop day.

 

[Headless hula]

 

[Headless hula]

Wisconsin is closed. Sorry, the moose out front should've told you. 😎

 

[Headless hula]

:skull:skull

 

[poncho]

View attachment 585047 View attachment 585048 View attachment 585049

I love having a glove box, Phone, wallet and keys go in as soon as I get to the boat....I put a 12 volt receptacle next to it and the phone is on it all day. :thumbsup

 

[Headless hula]

I love having a glove box, Phone, wallet and keys go in as soon as I get to the boat....I put a 12 volt receptacle next to it and the phone is on it all day. :thumbsup

I can almost get a 12 pack of beer in this one. 😉

 

[SBMech]

So how did the new and improved Hula end up running? Low 80's? thumbsup

 

[Headless hula]

So how did the new and improved Hula end up running? Low 80's? thumbsup

Dunno yet. I keep getting my foot stuck in the fun wheel. 😎