Forced Induction Superchargers | Turbochargers | Intercoolers

Pretty head repair

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Old Dec 18, 2005 | 07:41 PM
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Default Pretty head repair

looks sweet. , these are afr225's

old




fixed



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Old Dec 18, 2005 | 07:43 PM
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Leaned out?
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Old Dec 18, 2005 | 08:23 PM
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Originally Posted by V8_DSM_V8again
Leaned out?
yeah, a little. i was running 20psi and a 100shot and my fueling went to around 12.0-1. that was about 1/2 a point plus leaner than i was shooting for, my fault entirely.

my 1/8th mph and weight sugest this was around 1140rwhp

stupid number 7 too
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Old Dec 18, 2005 | 08:27 PM
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Well I'm looking for similar #s for a off road rig..

One thing I learned on other turbo cars is how awesome a stand alone with WB02 feedback is.

Sure helps out in avoiding things like that...
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Old Dec 18, 2005 | 08:29 PM
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yeah, i have that option. i had it shut off, not sure why. i kind of wanted to get my tune close before i turned that on.
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Old Dec 18, 2005 | 08:33 PM
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I start out rich and work back..

As I get close on my own I turn the feedback on.. That way it either pulls fuel or runs rich... Lets say I'm almost 1/4 point too rich I start like 1pt too rich the first time... Any way from 1/4pt it can get it on by pulling fuel...
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Old Dec 18, 2005 | 08:51 PM
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yeah me too, that was my goal. this was the first time i hit it with the 100shot and i added what i thought was a lot of fuel. i should have made a partial pass to check it but i wanted to get my 9sec run out of the way. i think i will just get a bigger turbo and stick with the boost from now on.
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Old Dec 18, 2005 | 08:55 PM
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Wow!!! That's awesome work to get those back in shape....Who did your work?? Those are some expensive heads to just throw away....
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Old Dec 18, 2005 | 08:55 PM
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Well it depends on what you have for injectors...

I dont like N20 fuel jets or bars.. Atomizies like crap..

If you have big enough injectors and a smart EMS... It can do full N2O fuel enrichment and control the N20 system..

I'm used to AEM... Have'nt tuned a BS3 yet..

100shot should'nt be a big problem....
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Old Dec 18, 2005 | 09:20 PM
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a local guy fixed them up for me and yeah he did a nice job. he only charged me $325 and for that he fixed the one head, suraced both. valve job on both, checked and shimed the springs. i am happy.

i have big injectors and am shooting a dry shot. i just didn't program in quite enough fuel. like i said, my fault. next time i will do some partial runs and see where it goes before i try a full run.
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Old Dec 18, 2005 | 09:26 PM
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Who did the 4L80E...

I have done transmissions before.. TH350 and TH400 series and mopars...

I'm thinking reverse manual valve body, Art Carr gate shifter.. etc...
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Old Dec 18, 2005 | 09:48 PM
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Originally Posted by V8_DSM_V8again
Who did the 4L80E...

I have done transmissions before.. TH350 and TH400 series and mopars...

I'm thinking reverse manual valve body, Art Carr gate shifter.. etc...
it's in my sig. other than a broken inputshaft this tranny has been awesum. i have many ~1000rwhp runs on it.
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Old Dec 18, 2005 | 09:49 PM
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cool...

soo far the cheapest I have seen the v-body is just under $300

While I probably would'nt buy a full trans from anyone just components. http://www.transmissioncenter.net/4L80E.htm

Is about $100 cheaper on the 300m input shaft....

Other than that your trans shop looks like a good one...

Last edited by V8_DSM_V8again; Dec 18, 2005 at 09:56 PM.
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Old Dec 18, 2005 | 09:51 PM
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1000rwhp truck!!!! Holy crap can you say SLEEPER!!! Dude that is freaking awesome...
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Old Dec 18, 2005 | 10:07 PM
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I was'nt sure if I would need the upgraded input shaft sine the 4l80E is so much bigger than a TH400... I know I'll get one now...

I'll also need a converter with a really good lock up clutch.

If there is anything you could have done differently or seen others skip that they should'nt have on the trans let me know..
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Old Dec 18, 2005 | 10:16 PM
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the one thing i can say is dont lock it thru the shifts. that is when my input shaft broke. i lock it up right after the 2-3 shift now.

i am running a PI ~2800 10.5" tripple disk. seems to be holding up great.
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Old Dec 18, 2005 | 10:28 PM
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Did you put a stocker in or a upgrade after the break,,

I'm going to be acting like these guys....
http://video.off-road.com/videos/back1.mov

So I think I'll run the upgraded shaft..

Maybe even a upgraded output..

Have a link to PI ?

I'd prefer a slightly lower stall...
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Old Dec 18, 2005 | 10:46 PM
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it is a cryo treated shaft now. i am kind of chucks(at finishlinetrans.com) test dummy. there is some kind of billet shaft out there but chuck wanted to see if i can break this one. if i can't break it then he kind of gets a feel for when to recomend the billet shaft to people.
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Old Dec 18, 2005 | 10:54 PM
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I saw the 300M (billet) shaft on their site...

I have never seen a 300M output... I'll have to ask how much to get my output cryo treated.... I have a friend at a local salvage place looking for a 2002 and newer 4L85E... Has 5 pinion planetaries...


Oh well... nice truck.. What rear diff? I am going to run trutracs at both ends..

I am still trying to figure out a T-case.. Might be a highly modified NP242...
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Old Dec 18, 2005 | 11:39 PM
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they did an amazing job, are those the heads from the video with the fireballs under the truck?
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