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Old 05-22-2013, 11:27 PM   #1
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5.3 liter / more horsepower???

I'm pulling a 28 BHS Jay Flight with a 5.3Liter 1500 crew cab Chevy and am looking for more Horsepower. I was wondering if anyone has used a Programmer and do they help? (Or) Would I be better off putting a turbo in?
Can you really get the same amount of horsepower out of the programmer as you can with a turbo? Any ideas would be great thanks!
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Old 05-23-2013, 04:43 AM   #2
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This sounds like a question that you should be asking on a Chevy truck forum. I can't help you out on this one.
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Old 05-23-2013, 11:42 PM   #3
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Good luck getting a turbo to work with all the electronics on that truck. As mentioned, check out a Chevy forum.
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Old 05-24-2013, 01:09 AM   #4
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My suggestion - upgrade your truck... messing with trying to get more horsepower out of that engine is only going to reduce your engine life. Chalk this up to dealers saying that the trailers are 1/2 ton towable...

I'm speaking from experience, having owned a Suburban 1500 with that engine, I too experienced not enough overall power, I upgraded to a diesel and have no regrets.
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Old 05-24-2013, 02:58 AM   #5
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Moved from Jayco pics forum. Welcome.
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Old 05-24-2013, 07:06 AM   #6
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Trying to turn the truck into a hot rod isn't going to solve your towing issues. There's much more to consider, the biggest factor being payload, especially with a trailer that size. Then there's rear end ratios, brakes, trannie cooler, and the list can go on. If you are really serious about it, upgrade the truck
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Old 05-24-2013, 07:52 AM   #7
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i have tried upgrading my engines twice with ok results and a lot of money invested. ultimately i would have been better served by investing that money in a different truck as both times that is what i wound up doing. i am extremely pleased with those results. and the trucks i upgraded to handled the loads significantly better. one was a 1 ton dually and my present a 3/4 ton. the advice on going to a chevy forum is sound as only they can tell you what works and what does not for your particular engine. ultimately consider upgrading the truck you will not regret it.
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Old 05-24-2013, 01:46 PM   #8
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I think the problems you'll run into will be horsepower gained vs. money spent. I upgraded to truck in the sig from an '03 Silverado with the 5.3L. The Silverado was a great truck and pulled my old 26 foot Layton trailer great but was noticeably doing worse with the new trailer. Mostly gas mileage dropping from about 10 - 11 to 7 - 8 mpg and harder pulling hills and more braking needed going down. A true 3/4 ton makes all the difference in the world. Heck, only use the tow/haul button going down mountains and it holds me back so well I hardly have to use the brakes on the new truck.
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Old 05-24-2013, 03:58 PM   #9
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A 5.7 litre 1/2 ton or a 3/4 ton would be a better solution than tryng to modify your current truck. Personally I think any gas engine with a turbo is a BIG repair bill waiting to happen.
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Old 05-24-2013, 06:07 PM   #10
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You can go for more horsepower if you want. But. The 4L65 trans you have and 9-1/2 rear end you have won't hold up. Like others have said. New tuck would be better off. I don't even notice my 264 bh behind my 3/4 ton gmc.
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