Thread: 455 HO FORUM
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Old 03-20-2008, 03:23 PM
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Lloyd-TX Lloyd-TX is offline
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Join Date: Jul 2000
Location: Bellaire (HO-uston), Texas
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Quote:
Originally Posted by goathead455
Thanks Lloyd,
I was curious because my engine was originally put together almost 20 years ago and it has TRW domes in it.
Had it on the chassis dyno last fall 380 HP @ 4900 480 lbs ft @ 3400
running very lean.
I didn't have any jets with me to correct it at that time.
I will be making another trip to the dyno this spring hoping for some better numbers.

Thanks
Your engine is making a BUNCH more than mine, as the numbers I posted for my engine were from engine dyno pulls.

Running through a single (non-PYPES) crossflow muffler mine only made 299 CBHP @ 5300 on a Mustang chassis dyno. We couldn't get a decent torque number on mine on the chassis dyno runs.

I didn't have an O2 sensor hooked up for my chassis dyno runs, so I have no idea if it was running lean, fat or what, LOL!

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Regards,
"455HO" Lloyd


2008 GMC Sierra Denali 2WD Crew, L92 6L80E, Silver w/ Ebony guts, 14.26 @ 98