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Any 5.3 motor results

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Old Apr 1, 2011 | 11:55 PM
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Default Any 5.3 motor results

Was thinking of doing a budget motor in a lighweight race car for the hell of it. Does anyone have any dyno numbers on a 5.3 stock or with mods. What is the compression out of the factory with these.
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Old Apr 2, 2011 | 08:37 AM
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for starters i know most 5.3 trucks dyno in the 220-240RWHP area stock. Deff have seen more than a few bolt on cam trucks making WELL into the 300s at the wheels through an auto.
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Old Apr 2, 2011 | 09:16 AM
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i made 352/344 through a unlocked converter. 5.3, shaved 243 heads, 224/228 camshaft, fast 90
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Old Apr 3, 2011 | 12:24 AM
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I did 348 and dont remember the tq with a stock 5.3 in a 66 impala with a locked stock stall 4l60e.
pacesetter fbody longtubes/3in dual w/ x and flowmaster knockoffs
ported fast 78 intake
218/228 .550 112 regrind cam/ls6 yellows
car had power steering

nothing else

my buddies 62 bel air did 300 with the same regrind, stock manifolds, quiet mufflers, ls1 intake
no power steering, no a/c
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Old Apr 3, 2011 | 05:44 PM
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mines in my sig 275hp 329tq. I didn't have an h pipe at the time of dyno though, oh and my engine has an ls1 intake. An L33 has 9.9:1 compression and LM7 9.5:1.
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Old Apr 3, 2011 | 09:31 PM
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Sweet anyone else. I plan on doing a budget spray motor tweak a custome cam and a d.p kit. Probally run a fast90 or do a vic jr with a accufab 4150
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