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Old 02-09-2006, 10:49 AM   #1
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Join Date: Dec 2002
Location: Kenmore NY
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Car: 1989 iroc
Engine: 350
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dyno #s for vortec heads hsr lt4 cam

I was wondering if anybody has a 350 l98 with stock vortec heads a lt4 hot cam with 1.6 roller rockers and a holley stealth ram(24lb injectors) and what kind of dyno numbers are they running? I am in the process of installing now and was curious on what to expect.
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Old 02-09-2006, 10:54 AM   #2
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Car: 92 T/A VERT
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If your your running about .040 piston to head clearance I would expect about 400hp
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Old 02-11-2006, 02:30 AM   #3
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Location: Houston, Texas
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Car: 89 Iroc-z
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they say that cam with LT4 intake/heads will make over 425hp. not sure if thats true or not but the LT4 conversion says 425+.

i'd say your gonna make near 400crank
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Old 05-12-2006, 10:13 PM   #4
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im very interested in this combo im thinking of doing it plz pm me when u get it done / ran down the quarter w/e!
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Old 05-13-2006, 05:45 PM   #5
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Is there even a votech stealthram out yet ?
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PROJECT UGLY DUCKLING
1989 10:1 353 L98Edlebrock base and runners ( really ported)ZZ4cam ,1 3/4 SLP shorties 083 heads ...cleaned up andstuded w/1.52 rr , LT4 valve springs and retainers and a 3 angle valve job
suspension mods (Hotchkis LCA's PH bar, KYB shocks and struts)
T-5 3.73
T-62 turbo to be installed next ...Exhaust clip ...gota let it load....
http://media.putfile.com/My-exhaust-clip
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Old 05-13-2006, 05:45 PM
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