Duramax Diesels Forum Truck of the Week
  #1  
Old 03-05-2018, 10:28 PM
turbovan turbovan is offline
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Cool Help me spend my money for better power towing!!

My truck just doesn't seem to have the get up and go I thought it would towing-first year owner of it. My brothers bone stock 09 will kill it towing the same weight or a lot more. Towing a 26 ft Prowler Toy Hauler, aprox 9-10K loaded, towing very hilly terrain, averaging 7 mpg.

Truck has 400K, previous history unknown but well maintained, starts so fast I barely have time to release the key. Fresh filters, transmission shifts fine-fluid nice and red, balance rates fairly equal, no smoke or hazing at idle.

Mods so far are 3" exhaust, Banks big head wastegate-22 psi then I gave up adjusting it, lol, custom 30hp tune by a local tuner, 3.5" turbo inlet.

Mods to do, have the parts-BD drivers manifold, 3" DP, EGT gauge-I know should have it done first. and a lift pump.

I want to turn it up another 50hp but have been advised not to so I don't kill my trans. Read about manifold and up pipes-read that huge thread on it, lol, y-bridge? Would like to port the turbo but too lazy, also want to get the tapshifter.

Any other suggestions? Buying a new truck is not happening. TIA.

Edit, have about $1200 to spend.
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2002 4x4 Crew cab brown/gold 2500HD. Leveled with 275/75R17 10 ply KO2's, 3" exhaust, 3.5" turbo inlet, custom 30 hp tune. Pulling an old 26ft 1998 Prowler Toy Hauler. More mods to come!

Last edited by turbovan; 03-05-2018 at 10:37 PM.
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  #2  
Old 03-06-2018, 06:31 AM
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Dozerboy Dozerboy is offline
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Default Help me spend my money for better power towing!!

Save up your money build the trans and get a bigger tune.
Iím not sure why you think your truck should keep up with a LMM as is. The trans is the weak point. A tune will give you more power then a lmm, but your trans wonít hold it for long.


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Old 03-06-2018, 06:31 AM
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Default Help me spend my money for better power towing!!

Oops
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Old 03-06-2018, 07:04 AM
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I would run a compression check on it first. Let's make sure the motor isn't getting weak.

Also if you already have the BD manifold then just do the TowFlow up pipes. That should get you about 20 more HP. Might as well throw a down pipe on too.

Remember too that your brothers 09 is higher rated in HP and in torque.
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Old 03-06-2018, 08:51 AM
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all this stuff you are doing is great for more power but it does you no good when the trans starts to slip and die and you still get beat.

make sure engine is healthy like Rick says and then put a trans in it.
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Old 03-06-2018, 09:19 AM
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X3 or 4. However many people said it before. Trans first.
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Old 03-06-2018, 09:27 AM
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I would buy 4 Fingers Pistons, never too early to start.
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Old 03-06-2018, 09:28 AM
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As everyone else has said, build the tranny. You only have $1,200.00 and that's not enough. Expect about $3k-$3600. If your only making 22lbs of boost that really needs to be fixed. Max an LB7 should be set for is 30lbs. When I had the LB7 in the truck it really woke up when I got that adjusted to 30lbs.
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Old 03-06-2018, 09:43 AM
turbovan turbovan is offline
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Thanks guys, great advice.

Trans is in the works, I have a 6 speed core I am going to rebuild over the summer.

Rick, do your up pipes fit the stock manifolds? If so, I'll do those when I do the BD manifold and dp.

I'll turn the boost up too,
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2002 4x4 Crew cab brown/gold 2500HD. Leveled with 275/75R17 10 ply KO2's, 3" exhaust, 3.5" turbo inlet, custom 30 hp tune. Pulling an old 26ft 1998 Prowler Toy Hauler. More mods to come!

Last edited by turbovan; 03-06-2018 at 10:02 AM.
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  #10  
Old 03-06-2018, 09:44 AM
turbovan turbovan is offline
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Quote:
Originally Posted by PACougar View Post
I would buy 4 Fingers Pistons, never too early to start.
LOL, what's that???
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Old 03-06-2018, 09:58 AM
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Uh, not sure if you can use the 6 speed core without quite a few mods? Maybe mike will chime in
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Without a duramax... hopefully not for long.

Other toys:
1982 K10 6.2 Detroit diesel/sm465/np205 with 4 inch lift and 35s. And itís currently broke
2011 Yamaha YFZ450X
2003 Yamaha YZ250
2003 Kawasaki Z1000
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  #12  
Old 03-06-2018, 10:01 AM
turbovan turbovan is offline
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Quote:
Originally Posted by zakkb787 View Post
Uh, not sure if you can use the 6 speed core without quite a few mods? Maybe mike will chime in
I have to use the 5 speed v/b, shift shaft and wiring from what I've read.
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  #13  
Old 03-06-2018, 10:28 AM
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Quote:
Originally Posted by zakkb787 View Post
Uh, not sure if you can use the 6 speed core without quite a few mods? Maybe mike will chime in
yeah its pretty easy to change it to work in a 5 speed truck.
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Originally Posted by JoshH View Post
Mike L is my role model. I want to be like him when I grow up.
James

02 LL7 2500HD CC/LB dmax/alli "The Limo"

BIG THANKS TO: Mike L, Steve, Trent, Guy, Dan, Ruben, Josh H, Scott, Brian and everyone else who has put a hand in to help me.

best time to date: 12.39

motor died/bent rods = 3/11/11
back from the dead 7:04pm 4/9/2012

Limo is back in the garage, now driving a built chevy tracker
Tailgate Crew Member #4
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  #14  
Old 03-06-2018, 10:31 AM
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Quote:
Originally Posted by Chevy1925 View Post
yeah its pretty easy to change it to work in a 5 speed truck.
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Without a duramax... hopefully not for long.

Other toys:
1982 K10 6.2 Detroit diesel/sm465/np205 with 4 inch lift and 35s. And itís currently broke
2011 Yamaha YFZ450X
2003 Yamaha YZ250
2003 Kawasaki Z1000
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  #15  
Old 03-06-2018, 11:35 AM
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RickDLance RickDLance is offline
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The TowFlow's fit the OEM style manifolds.
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