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87 tbi 454
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<blockquote data-quote="CHOP SHOP" data-source="post: 1531379" data-attributes="member: 17493"><p>A TBI is a great replacement for a carb on a wheeler with a straight six.</p><p></p><p></p><p>But they have NO place in a performance application.</p><p></p><p></p><p></p><p>And any TBI chevy rig (tow or play) will make MORE power and eat less fuel with a good tuned CARB. Ive owned them all. My last truck was a jimmy dually with a tbi 454. Before that a yukon with a TBI 350.</p><p></p><p></p><p>A TBI is only an exceptable upgrade if you are looking for runability in a wheeler and power is not really a concern.</p><p></p><p></p><p>If I know Darren's tastes, it will be for HORSEPOWER.</p><p></p><p>Also dune play and heavy ass engines just dont go together.</p><p></p><p></p><p></p><p>LS LS LS LS. PS NotSoPc, a new 5.3 even will shmoke a tbi 454 towing or playing.</p><p></p><p>1987 454 = 230HP. 700 lbs</p><p></p><p>newer cheapo 5.3 = 300-350hp, 500lbs for iron truck engine</p><p></p><p></p><p>So 200 lbs heavier and 100hp less is much better huh?</p><p></p><p></p><p>That 5.3 (or any of the new SBCs) have WAY better cranks, rods, internal fasteners, roller cam, decent pistons, etc.</p><p></p><p></p><p>The jetboat guys have had great luck tossing a stock cheap 5.3 in a beating the **** out of them. Jetboats love TQ and RPMs.</p><p></p><p>Resale will be better/easier with the modern engine too.</p><p></p><p>Just my .02</p></blockquote><p></p>
[QUOTE="CHOP SHOP, post: 1531379, member: 17493"] A TBI is a great replacement for a carb on a wheeler with a straight six. But they have NO place in a performance application. And any TBI chevy rig (tow or play) will make MORE power and eat less fuel with a good tuned CARB. Ive owned them all. My last truck was a jimmy dually with a tbi 454. Before that a yukon with a TBI 350. A TBI is only an exceptable upgrade if you are looking for runability in a wheeler and power is not really a concern. If I know Darren's tastes, it will be for HORSEPOWER. Also dune play and heavy ass engines just dont go together. LS LS LS LS. PS NotSoPc, a new 5.3 even will shmoke a tbi 454 towing or playing. 1987 454 = 230HP. 700 lbs newer cheapo 5.3 = 300-350hp, 500lbs for iron truck engine So 200 lbs heavier and 100hp less is much better huh? That 5.3 (or any of the new SBCs) have WAY better cranks, rods, internal fasteners, roller cam, decent pistons, etc. The jetboat guys have had great luck tossing a stock cheap 5.3 in a beating the **** out of them. Jetboats love TQ and RPMs. Resale will be better/easier with the modern engine too. Just my .02 [/QUOTE]
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