MATTS 156 I would leave well enough alone. If it runs good and does what you want. Why ask for trouble ( could be expensive)
First Diesel. Tips??
Laughing Gas
Joined: Mar 2006
Posts: 1,083
Likes: 1
From: Fitzpatrick Alabama
Originally Posted by Dave Sponaugle
235/85-16 tires with 4.10 gears and a ZF 5 in overdrive should be doing 47.35 MPH at 1600 RPM.
Different tire manufacturers and tread styles will vary the speed as much as plus or minus 4 MPH.
Different tire manufacturers and tread styles will vary the speed as much as plus or minus 4 MPH.
Elder User
Joined: Aug 2005
Posts: 566
Likes: 3
From: New Jersey
Thoughts about turbo upgrade
I thought about adding a turbo to my 1993 7.3L. However, it has 239,000 miles on it. It doesn't smoke or burn oil and runs fine, but with that many miles on it, isn't there a good chance that I'll blow a head gasket or maybe even blow out the compression rings? In my experience with gas engines, rebuilding cylinder heads on worn engines often caused problems with compression rings that couldn't withstand the increased compression from the new heads. With the increased compression from the turbo, I would think diesels wouldn't be exempt from that issue. Any thoughts?
Last edited by matts156; May 4, 2006 at 12:05 PM.
Senior User
Joined: Mar 2008
Posts: 450
Likes: 0
From: Vancouver,WA.
put a TURBO ON IT!!!!!!!!
If you turbo it you will love it.... I drove a '64 Nova w/a BUILT 283ci. 14.13 at 124mph in the 1/4.....................Now this truck dont have that much scat, BUT...it does have a LOT of power for the wheight........just my $0.02...
Senior User
Joined: Mar 2008
Posts: 450
Likes: 0
From: Vancouver,WA.
WOW!! let see to much beer, + getting up to pee,+ kids useing the computer,+ me thiking I knew whear I was = embaresment!!!! sorry.
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Posting Guru
Joined: Apr 2008
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From: Green Lane, Pa.
S.P. are you sure about the 124 mph in the 1/4 ?
124mph 1/4 mile
Senior User
Joined: May 2008
Posts: 449
Likes: 0
From: Americas' hat (Canada)
JayH, Welcome to FTE and the IDI diesel forum.
A good power upgrade is a turbo.
You can do small improvements with exhaust and intake mods, timing and fuel mods.
But a turbo is the biggest bang for the buck.
Yes, a turbo will put you right up with the first generation Power Strokes for both torque and HP. 1999 is when they went over 235 horse if I remember right.
Check the coolant for SCA's (Supplimental Coolant Addaive) test strips are available at NAPA. This addative goes in the coolant to prevent cavitiation.
A good power upgrade is a turbo.
You can do small improvements with exhaust and intake mods, timing and fuel mods.
But a turbo is the biggest bang for the buck.
Yes, a turbo will put you right up with the first generation Power Strokes for both torque and HP. 1999 is when they went over 235 horse if I remember right.
Check the coolant for SCA's (Supplimental Coolant Addaive) test strips are available at NAPA. This addative goes in the coolant to prevent cavitiation.
Needless to say, I don't have the extra money lying around for a turbo.
So, why kind of exhaust system would anyone suggest?
And for the intake, am I looking at a K&N filter, or is there an actual air intake that I can buy?
Post Fiend
Joined: Nov 2003
Posts: 21,285
Likes: 16
From: Nutter Fort, WV
On a NA motor, changing the exhaust pipe to 3" pipe helps let the engine breathe.
Any good exhaust shop should be able to fix you up.
They need to start with the 3" pipe up in the Y pipe, so each downpipe from the manifolds dump into the 3" pipe.
Good free flowing muffler and you are good to go.
What many of us has done is make your own ram air intake that can get cooler air from in front of the radiator.
I know that is an easier job on the older models, but it can be done on the newer ones as well.
There are no aftermarket kits I am aware of, everyone has forgotten the IDI motor.
Any good exhaust shop should be able to fix you up.
They need to start with the 3" pipe up in the Y pipe, so each downpipe from the manifolds dump into the 3" pipe.
Good free flowing muffler and you are good to go.
What many of us has done is make your own ram air intake that can get cooler air from in front of the radiator.
I know that is an easier job on the older models, but it can be done on the newer ones as well.
There are no aftermarket kits I am aware of, everyone has forgotten the IDI motor.
Senior User
Joined: May 2008
Posts: 449
Likes: 0
From: Americas' hat (Canada)
Well, I do have a birthday coming up, So I'll probably be getting that exhaust for my gift.
And as nice as it would be to have a cold air intake, Stove pipes and hose clamps just won't do it for me.
I guess I'll settle with a K&N filter.
And as nice as it would be to have a cold air intake, Stove pipes and hose clamps just won't do it for me.
I guess I'll settle with a K&N filter.
Post Fiend
Joined: Nov 2003
Posts: 21,285
Likes: 16
From: Nutter Fort, WV
No stove pipes or hose clamps, I used a left over furnace plenum side metal to make the scoop.
Then a section of 6" duct work to make the rectangular to round transition.
Followed by a 6" x 4" duct reducer and a single wall 4" adjustable ell.
The stock flex duct slides over the ell and onto the air box intake.
Yes I have done HVAC work in the past, so I do have a lot of metal working tools.
All fastening was done with either screws or pop rivits.
Senior User
Joined: May 2008
Posts: 449
Likes: 0
From: Americas' hat (Canada)
I'm looking at the actual box the filter sits in on yours.
Where did you get it, and how did you mount that?
If I can get mine to look similar, or atleast have that type of setup, I wouldn't mind doing that at all.
I just do not like my stock unit. In fact....I loathe it.
Where did you get it, and how did you mount that?
If I can get mine to look similar, or atleast have that type of setup, I wouldn't mind doing that at all.
I just do not like my stock unit. In fact....I loathe it.
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