obs or sd - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 4 (permalink) Old 08-19-2007, 07:39 PM Thread Starter
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obs or sd

wat is the best year 7.3 to turn into a pullin truck the 94-97 or the newer body style

97 f 250 xlt 4 inch lift, 36/15.50 tires, hypermax kit with sledghammer turbo, swamps 355mm injectors, compitition fuel system,bdp stealth pumps oil system, head studs, custom 4 inch exhaust, edge evo and ez stack
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post #2 of 4 (permalink) Old 08-19-2007, 08:22 PM
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Dont know that it'd matter much after a certain point, the SD's come with a better version of the 7.3, but once you start pouring money at either, they're both gonna do well.
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post #3 of 4 (permalink) Old 08-19-2007, 08:23 PM
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if its gonna be a pulling truck I would go with the obs. It will have stronger rods. And the obs's are cheaper. Only real difference would be the intercooler. If you are going with a fully built motor then your just looking at the cost difference in the truck.
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post #4 of 4 (permalink) Old 08-19-2007, 08:47 PM
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I would say as long as the you got a forged rod engine the differences between the obs and sd engines dose'nt make any difference because anthing that may be a little beter on a SD stil has to be upgraded for enough power to make the truck compete well. I think the thing you need to look at most is the drive train. I think the superduity looks to be built a little heavier but I am not sure if its enough to make it worth the extra cost of them. Personally If I was going to build an all out pulling truck it would be a OBS because I like the way they look, and you can buy one for about 1/2 price of a superduity which gives you more money to put into performance parts

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