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5.3ho vs Hemi dyno

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Old 11-29-2005, 04:39 PM
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Default 5.3ho vs Hemi dyno

Hemi has a intake and no muffler 4x2



5.3ho has drop in and exhaust 4x4

This is from a member here
and i also think the hemi owner has come here not sure
Old 11-30-2005, 06:24 PM
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dang!! pretty neat!!
Old 11-30-2005, 06:29 PM
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Good numbers for a stock truck.
Sorry for my ignorance... but does the HO 5.3L edition have the LS6 heads on it?
Old 11-30-2005, 07:58 PM
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It has an aluminium block and also higher compression with e-fans we get 9:9:1 compression instead of 9:5:1 i think i think we have the same head as a normal 5.3.
Old 11-30-2005, 08:01 PM
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What did the HEMI put down I couldnt read it?
Old 11-30-2005, 08:07 PM
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271hp
310tq
it has a bit higher torque than the 5.3
i wonder what a hemi gets City mileage it makes like 150hp under 3500rpm
Old 11-30-2005, 08:58 PM
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The torque increase is from the extra .4ci, kinda like a 4.8vs5.3 dyno.

That Hemi dyno doesn't look like they went WOT until 3500rpm. If that's the case those sub 3500rpm numbers don't mean much.

My brother in law has a QC 4*4 Hemi Ram and he gets decent gas mileage but, I can't remember a number right now. I'll ask him.
Old 12-01-2005, 05:55 AM
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i was just thinking about the 3500rpm wot
Old 12-01-2005, 01:02 PM
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the L33 uses the same head castings as the LS6.

we've gotten my boss' to run 15.1 with a head wind. i'd like to have his dyno'd in the spring. he has the L33.
Old 12-01-2005, 01:38 PM
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compare the L33 to a 4x4 ram.L33 has Ls6 castings but not what you would call Ls6 heads


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