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Built 4.3 turbo underway Pics will talk


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Old 05-21-2007, 02:53 AM   #101
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Re: Built 4.3 turbo underway Pics will talk

good to hear looks like the guy did a pretty good job and it wasn't too expensive. looking forward to seeing it all in there.
Old 05-21-2007, 02:21 PM   #102
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Re: Built 4.3 turbo underway Pics will talk

Good to see you got that fixed, hope you get it buttoned down soon
Old 05-21-2007, 05:16 PM   #103
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Re: Built 4.3 turbo underway Pics will talk

Do you have any u-pull it's around you? The one by me has a ton of first gen s10s/blazers, wonder if that would work.
Old 05-21-2007, 08:33 PM   #104
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Re: Built 4.3 turbo underway Pics will talk

Quote: Originally Posted by rat
Do you have any u-pull it's around you? The one by me has a ton of first gen s10s/blazers, wonder if that would work.
u pull its??? hehe took me awile to get it, no i don't have any pull yourself junkyards, long islands pretty tite, i have local junkyards but trying to find a non ac is rare, i've only ever seen two, one was 2 years ago when i bought my 2.2l engine for 500 bucks and he told me take anything u want booo i wish i grabbed the box.
Old 05-22-2007, 06:23 PM   #105
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Re: Built 4.3 turbo underway Pics will talk

check suicidedoors.com for the blower box. i remember reading that they were producing a custom box for the bagged and big rim crowd. they might have what you need. also, i'm not that familiar with this engine, so it isn't obvious to me, but i thought i'd mention to make sure your water pump accessories will be rotating the correct direction with the new belt. it would suck to overheat during break-in and ruin the engine because the w/p was turning the wrong way! keep up the good work
Old 05-23-2007, 05:03 PM   #106
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Re: Built 4.3 turbo underway Pics will talk

nobody makes them. you gotta custom fab your own or find a stock one.
Old 05-23-2007, 06:24 PM   #107
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Re: Built 4.3 turbo underway Pics will talk

That is looking very nice meyers, what is that steering shaft with normal joint instead of the rag joint out of?
Old 06-04-2007, 11:37 PM   #108
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Re: Built 4.3 turbo underway Pics will talk

To answer mintsick summit sells steering knuckles, its jus welded to a 3 or 4" steel pipe then welded to the stock s10 colaspable shaft

Update **** yea the motor is in. I have a 1/4" of clearance between the shaft and the exhaust, i wanted more but i won't kno till i rev that btch. I also wrapped that piping which adds 1/8" thickness if not more. After staring at the motor and convinced there was something wrong with boosted frame pads, i modded the motor mounts and moved em down and then it hit me tonite. drop the pass bolt in and pull a chain and jack up the left side and sure enough the bolt holes lined up, much easier considering i tweaked the mount. But its like when u stare at something too long and u need to come back with a clear head.

The other good news is the exhaust is in i intend on two 3" exhaust systems

I will have a electric cutout to a open 3" dump pass side exit and for the sleeper truck, cops, neighbors and emissions i have a 3" magnaflow cat into a huge 70 series flowmaster for a nice quiet daily exhaust tone. So at the flip of a switch i can have optimum performance but yet not wake my neighbors at 630am and 3am when i come home.


Next goal is to get her started N/a to blow out the exhaust pipes and to test the engine then turbo goes on. But for now some pics



Last edited by meyers2211 : 06-04-2007 at 11:41 PM.
Old 06-07-2007, 03:52 PM   #109
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Re: Built 4.3 turbo underway Pics will talk

holy huge freakin muffler! looks like it should go on a hummer!

the electric cut out is shiny!
Old 06-10-2007, 10:54 PM   #110
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Re: Built 4.3 turbo underway Pics will talk

She lives I fired her up today N/A to blow out the pipes and do a test run. The good news is she purrs and god can u hear the cam in it.

First set of problems to get her started
The fuel lines on the top had a loose seat in the valve so she blew fuel all over the firewall, After a new valve seat she was fine.
Then after tightnening the loose battery ground, she started right up and then 10 seconds later a shit load of smoke and oil, i thought i blew the a main seal or something turned out the be my PS pump, the lines were leaking bad,(looked serious to see oil on the ground dripping fromall over the oil pan,so i ran new hose and better untill she blew it off again, so either i need to put factory lines bak on instead of my modded or i crossed the feed and the return.

For fueling i hooked up a Aeromotive FPR but i have a few questions



What is the stock psi in the fuel lines?
Does the 4.3 mpfi have a FPR built in?
If i run a FPR and crank it up to 60psi will the computer shorten the pulse width on the injectors for closed loop running,and let 60psi be let loose under open loop

Last edited by meyers2211 : 06-10-2007 at 10:55 PM.
Old 06-11-2007, 05:02 PM   #111
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Re: Built 4.3 turbo underway Pics will talk

Quote: Originally Posted by meyers2211
What is the stock psi in the fuer l lines?
Does the 4.3 mpfi have a FPR built in?
If i run a FPR and crank it up to 60psi will the computer shorten the pulse width on the injectors for closed loop running,and let 60psi be let loose under open loop
The aeromotive isn't going to do you any good without real injectors, or some sort of tuning software. You could raise the base fuel pressure, but i think that unit only goes up to 70psi anyhow. Then you would need to re-cal the computer for the larger injectors.

The computer assumes the fuel pressure is constant at 60 psi. It has no way of knowing if it is different or not. The pressure will fluctuate on a gauge depending on vacuum conditions, but it is really constant with respect to vacuum, so that is the important part. The o2's will do a fair job of keeping closed loop in line.

The stock fuel pressure is 60psi.
Old 06-13-2007, 08:55 PM   #112
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Re: Built 4.3 turbo underway Pics will talk

:-) turbo is on, jus finsihed clocking it and getting ready for body panels and piping

quick video

http://vids.myspace.com/index.cfm?fu...D=20364 07416
Old 06-14-2007, 02:09 AM   #113
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Re: Built 4.3 turbo underway Pics will talk

neato
Old 06-14-2007, 02:22 PM   #114
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Re: Built 4.3 turbo underway Pics will talk

looking good
Old 06-18-2007, 11:33 PM   #115
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Re: Built 4.3 turbo underway Pics will talk

Quote: Originally Posted by meyers2211
:-) turbo is on, jus finsihed clocking it and getting ready for body panels and piping

quick video

http://vids.myspace.com/index.cfm?fu...D=20364 07416
That idle sounds sick. Can't wait to see it in action!
Old 06-19-2007, 10:01 AM   #116
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Re: Built 4.3 turbo underway Pics will talk

the truck is on the road, shes in the exhaust shop right now, i wanted to hear that bitch spool and i finally got to yesterday at 3100rpm u jus hear the turbo start spooling, tough to hear over the exhaust but when i got off the gas you could hear it loud and clear

i take that bak exhuast shop called and said shes done

Two 3" pipes pass side side exit

Piping is in the mail i'll post pics when i get her back
Old 06-19-2007, 11:04 AM   #117
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Re: Built 4.3 turbo underway Pics will talk



Old 06-19-2007, 08:59 PM   #118
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Re: Built 4.3 turbo underway Pics will talk

hot shit man, i'm glad to see this thing running
Old 06-20-2007, 12:48 PM   #119
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Re: Built 4.3 turbo underway Pics will talk

I have a vortech super fmu if you still need one. I am going to use an eic so I am getting rid of it. pm me if you are interested
Old 06-20-2007, 07:44 PM   #120
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Re: Built 4.3 turbo underway Pics will talk

hey meyers, The non AC blower box is on www.gmpartsdirect.com




Part numbers 52474409 for 11 for the box
And 52457440 for 12 for the seal that goes between the box and the firewall.

total is $50.36 shipped for both parts.

I have to order it myself.
Old 06-20-2007, 10:56 PM   #121
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Re: Built 4.3 turbo underway Pics will talk

i really appreciate the diagram, unfortunately i went thru and put the sheet metal block off in already after waiting, but i wish i saw this, its only june so i have 4-5 months before i will need Heat again. I'm gonna look it up now, cause i need not only the box but the heater blower motor too, from what i've read they are much shallower than the AC motors


and chris whats that ratio on that fmu i will have the tuning software so i don't mind trying a few

i take that bak i jus cross ref the part #'s and they are the same blower motors

Last edited by meyers2211 : 06-20-2007 at 11:14 PM.
Old 06-21-2007, 02:25 AM   #122
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Re: Built 4.3 turbo underway Pics will talk

you can alter the ratio on this one, it has different sets of springs and shims
Old 06-21-2007, 03:31 PM   #123
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Re: Built 4.3 turbo underway Pics will talk

How is the truck running after a couple of days of it being finished? Have you hit the gas yet on it? Hows that turbo working.
Old 06-30-2007, 04:24 PM   #124
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Re: Built 4.3 turbo underway Pics will talk

Hey I see you got her running. So how is it? Thats what I wanted to do with the motor but I have enough toys already and not enough garage space. Good luck with the setup I had fun with it while I had it.Now I have the wife's turbo Lt1 and she's a blast.
Old 06-30-2007, 06:02 PM   #125
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Re: Built 4.3 turbo underway Pics will talk

[quote=meyers2211;4234553]


Like the side exit. But it looks like the pipe towards the front of the truck has angle, and the rear pipe is like 90degree straight. Would you mind posting some more pics up?
Old 06-30-2007, 07:50 PM   #126
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Re: Built 4.3 turbo underway Pics will talk

Yea unfortunately i will have to live with it, also the cut is straight jus not flush with the body line so i will have to trim it. The reason they are not perfectly coming out together is because i'm merging two dif exhaust systems. The one toward the front is the 3" cutout pipe the pipe towards the rear is catted and muffled. Its going bak to the exhaust shop to swap vbands and trade out a exhaust bolt thats hitting, so after thats done i will trim the exhuast.


In answering the questions about it running, its runs rough i'm confident it won't stall but shes running much better this week with the exhaust and some 02 sensors. The trouble has been to track down the leaks, the oil return is leaking some and the PS line gave me hell so I've been sorting everything out. I did the intercooler mounting yesterday and piping.

Things that are left
Finish the Batt Reloc
FMU
Vacuum Line
Work something with the intake bonnet
Gauges and wiring
Tuning.
Old 06-30-2007, 07:52 PM   #127
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Re: Built 4.3 turbo underway Pics will talk

Yea unfortunately i will have to live with it, also the cut is straight jus not flush with the body line so i will have to trim it. The reason they are not perfectly coming out together is because i'm merging two dif exhaust systems. The one toward the front is the 3" cutout pipe the pipe towards the rear is catted and muffled. Its going bak to the exhaust shop to swap vbands and trade out a exhaust bolt thats hitting, so after thats done i will trim the exhuast.


In answering the questions about it running, its runs rough i'm confident it won't stall but shes running much better this week with the exhaust and some 02 sensors. The trouble has been to track down the leaks, the oil return is leaking some and the PS line gave me hell so I've been sorting everything out. I did the intercooler mounting yesterday and piping.

Things that are left
Finish the Batt Reloc
FMU
Vacuum Line
Work something with the intake bonnet
Gauges and wiring
Tuning.
Old 06-30-2007, 08:25 PM   #128
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Re: Built 4.3 turbo underway Pics will talk




















Old 06-30-2007, 08:30 PM   #129
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Re: Built 4.3 turbo underway Pics will talk

oooh, i like the intercooler Thats one of the things in the top 3 of my project list.

gonna brace your core where you cut for the pipes?
Old 06-30-2007, 08:42 PM   #130
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Re: Built 4.3 turbo underway Pics will talk

Quote: Originally Posted by 98 SS
oooh, i like the intercooler Thats one of the things in the top 3 of my project list.

gonna brace your core where you cut for the pipes?

yes the pass side wasn't cut up too bad, but the driver side needs to be reinforced i had to cut through most of the vertical support and think i'll make a bracket out of scrap for the pass side
Old 07-02-2007, 07:14 PM   #131
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Re: Built 4.3 turbo underway Pics will talk

OOO. That is cool. One for exhaust one for cutout. Im pretty sure they could make it even, but then again maybe space issue. Well it's awesome.
Old 07-04-2007, 01:42 AM   #132
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Re: Built 4.3 turbo underway Pics will talk
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