buying questions

dhack74

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hey guys new here and will be buying my first diesel truck sat. wanted to see ig u guys could give me some things I need to ask the guy about the truck its my girls dads old truck that he sold to a friend. its a 84 cab 87 7.3 idi n trans 94 f350 frame suspension rears 4:11s motor and trans has about 120k single cab 8ft bed idk what the rust looks like but hes asking 3200
 

IDIoit

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you will be amazed at what is in the sticky threads and the tech articles.
virtually everything you need to know to have a basic concept of these engines.
inside and out.
 

dhack74

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ya I'm excited and this place has everything ive been out of the doing my own work on my own rigs for a few years kinda lost my touch at it but looking to start by doing the work to this truck its cheap people I know say its a great engine which brings up is it worth putting a turbo on or better keeping it natural n non molested
 

dhack74

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Ok but where would I find one that's good and not to expensive I've seen kits that range in the thousands not trying to spend more than what I'm buying it for I'm just a turbo
 

MTKirk

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ya I'm excited and this place has everything ive been out of the doing my own work on my own rigs for a few years kinda lost my touch at it but looking to start by doing the work to this truck its cheap people I know say its a great engine which brings up is it worth putting a turbo on or better keeping it natural n non molested

Before going turbo, get the thing running right; make sure the injection pump & injectors are up functioning properly and that the injection is TIMED correctly, you might find (as I have) that it has all the power you need.

Sure more power is always nice but what I like about the IDI's is the utter simplicity of them. What they do best is function reliably with mostly basic DIY maintenance. If all I cared about was power I'd seek out another engine.
 

IDIoit

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good is not cheap, and cheap is not good.

if you want a turbo for cheap.
by all means, find yourself that 400 dollar turbo kit.
post several hundred times about its install.
finally get it done and thennnnnnnn..
POP, hello headgaskets!
or worse.... pistons, meet valve chunks and compressor wheel!

IMUPO.. to do a turbo on one of these is not simply a matter of finding the cheapest kit out there, slapping it on and calling it golden.

what does a turbo do? it forces air down the intake into the cylinders when the valves open.
often in the 10-15 PSI range.
this puts added stress on the valves, head, head bolts, and head gaskets.
ive destroyed an engine from this.
i would, and have taken the heads off, check for cracks, install new valves, new guides and head studs.
it makes for a better platform and will last.

if you dont want to go through all that, (like the previous owner, thats why we get these trucks for cheap)
then go ahead and slap it on.
it may last sometime, it may go kaboom..

think of your engine as a 16 foot trailer, and your used cheap turbo like a broken down crew cab long bed that needs a tow...
would you tow it?

the CHEAPEST way to do a turbo is to find one of those chinese turbos on e-bay, and adapt it to the engine yourself.
but welding and experience is a must.
 

OLDBULL8

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Very good info above ^^^^^^.

I have to laugh, so many times on here when a guy gets a old truck and knows nothing about it or diesels, first thing asked, CAN I PUT A TURBO ON IT, I want 1200 HP.

Answer= Oh hell yeah, for another $2000 you sure can. :D

These old trucks are not a Mazda that go ZOOM ZOOM ZOOM.
 

fsmyth

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My advice, FWIW - leave it stock, and fix all the accumulated problems that any old
vehicle will have. Anything rubber - fuel lines, vacuum lines, seals, etc. are going to
deteriorate over time. Electrical is usually OK unless someone has messed with it,
but the ignition switch and sensors are weak points on these.

The N/A truck is dependable for a VERY long time relative to other old vehicles, if
cared for.
 

crash-harris

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I still want a turbo on mine, but I won't do it without all the right parts and new head studs/head gaskets at the very least. That be a long time from now if this one EVER gets a turbo. I'd rather get another engine and completely rebuild it with studs everywhere and do everything I can when building it to deal with the turbo. This will all be a long way off. I prefer dependability over power.
 

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