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TBI Throttle Body Injection discussion and questions. L03/CFI tech and other performance enhancements.

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Old 09-19-2001, 01:38 PM   #1
Max
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Join Date: Jun 2000
Location: Madison, WI USA
Posts: 323
Car: '89 Camaro Convertible
Engine: LB9 Heads/LT1 Cam Holley 670 Carb
Transmission: 700R4
Axle/Gears: 3.73

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Does The LO3 have a roller cam?

I just got off the phone with a tech at comp cams and he suggested an extreme energy cam and flat tappet set. I thought the LO3 was equipped with a roller cam. Is it? Should I be looking for a roller cam or not?

------------------
Black 1989 RS Convertible w/46,000 mi.
Excellent Condition
LO3 305 w/TBI
15 PSI Fuel Pressure
10* Timing Advance
MSD Coil And Wires
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Old 09-19-2001, 02:07 PM   #2
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Location: Hacienda Heights, CA
Posts: 4,991
Car: 90 RS 'Vert, 88 IROC-Z, 88 Firebird
Engine: 305 ci tbi, 305 ci tpi, 350 ci tpi
Transmission: WC-T5, WC-T5, 700R4
Axle/Gears: 3.45, 3.27, 3.27

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You have a roller cam. Pass on the flat tappet cam. If you are on a budget a used LT1 cam is great. I got one from a '95 F-body.
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Old 09-19-2001, 11:29 PM   #3
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I'll 2nd that, L03 = roller cam, but VERY WUSSY roller cam.

------------------
88 Camaro (The mighty LO3 SC!)
305TBI/700R4/2.73/123,XXX miles
14" Open Element and Flowmaster 80 seires

Next up: headers and gears
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Old 09-19-2001, 11:29 PM
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