Enlighten me please - Ford Powerstroke Diesel Forum
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post #1 of 36 Old 10-14-2012, 06:44 AM Thread Starter
T9X
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Enlighten me please

I have a 97 7.3L turbo diesel and I was wondering why does it feel like it's holding back when I step on the petal ?
Is it just old or do I need to get mods for it?
Is it the transmission?
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post #2 of 36 Old 10-14-2012, 07:02 AM
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Are you running gauges? What do u have for boost. And mods already? Exhaust? Intake?


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post #3 of 36 Old 10-14-2012, 07:07 AM Thread Starter
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Just added a K&N air filter for the moment
I don't have anything fancy yet
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post #4 of 36 Old 10-14-2012, 07:35 AM
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Get rid of that K&N.... it allows to large of particles thru and u will dust your compressor wheel on your turbo.

As for it holding back, is it just the laggy turbo it has

FRANK THE TANK
DIY INTAKE - HYDRA CHIP - MARTY'S E-FUEL - 250/200s
05 AXLE SWAP 3.73 - 2.5" PURE PERF. LIFT COILS - FOX SHOCKS
BTS TRANS - TYMAR DOWN PIPE - 4" EXHAUST
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You are so smart Frank, I dont care what Terry says.
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post #5 of 36 Old 10-14-2012, 07:38 AM Thread Starter
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What would you recommend?
An new air take kit?
So get a new turbo?
Isn't there a device that holds the pressure more so you get more of a boost?
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post #6 of 36 Old 10-14-2012, 09:17 AM
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Do u have a stock replacement filter or a K&N cold air intake. If u have the CAI, go to riffraffdiesel and get their 6637 filter. I belive it will fit inside that intake. If u have a stock replacement put a stock filter back in. Or get a TYMAR intake from dale at TYMAR Performance. As for your holding back problem, b4 u go throwing money into it on mods when u may have an actual problem.

Take it to a shop (preferably a diesel shop) and have them run a full scan for codes and then a full report on engine vitals.

And for the devise that hold more boost, that is the wastegate mod for 99+ trucks.

FRANK THE TANK
DIY INTAKE - HYDRA CHIP - MARTY'S E-FUEL - 250/200s
05 AXLE SWAP 3.73 - 2.5" PURE PERF. LIFT COILS - FOX SHOCKS
BTS TRANS - TYMAR DOWN PIPE - 4" EXHAUST
Waiting To Be Installed... gtx4294r, studs, springs, HPOP?
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You are so smart Frank, I dont care what Terry says.
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post #7 of 36 Old 10-14-2012, 09:18 AM
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6637 air filter a 3 inch down pipe remove cat and muffler really wakes the truck up

95 f250 eclb 4x4 under construction
96 f250 eclb 4x4 rosewood stage 1 injectors, bully dog 6 position chip, 6637 air filter, idm mod
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post #8 of 36 Old 10-14-2012, 09:50 AM Thread Starter
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Does a CAI make a difference compared to the stock air filter housing?
I thought it might be codes because it is older and things do tend to wear out. I know my dads which is a newer model doesn't do what mine does. It just takes off. No mods either on it. I just wonder what could be different.
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post #9 of 36 Old 10-14-2012, 09:53 AM Thread Starter
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Also do diesels need a catalytic converter?
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post #10 of 36 Old 10-14-2012, 10:29 AM
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Quote:
Originally Posted by T9X View Post
Does a CAI make a difference compared to the stock air filter housing?
I thought it might be codes because it is older and things do tend to wear out. I know my dads which is a newer model doesn't do what mine does. It just takes off. No mods either on it. I just wonder what could be different.
New vs. old. Hmmm, I wonder.



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