Jim_rockford_007 Posted January 8, 2022 Report Posted January 8, 2022 Ebay 3.4 . 94 olds vert 1 Quote
Schurkey Posted January 10, 2022 Report Posted January 10, 2022 What is it? I see a press-on (no keyway) pulley for a serpentine belt. Supercharger pulley? Is "3.4" the diameter, or the liters of displacement it's intended for? Quote
94 olds vert Posted January 10, 2022 Report Posted January 10, 2022 (edited) Looks like a 3.4 pulley for a supercharger. Not sure of the brand. I thought all ZZP supercharger pulleys had a ZZP logo on them. It looks different than my ZZP pulley. Edited January 10, 2022 by 94 olds vert Quote
Jim_rockford_007 Posted January 11, 2022 Author Report Posted January 11, 2022 Not ZZP 94 olds vert 1 Quote
Jim_rockford_007 Posted January 12, 2022 Author Report Posted January 12, 2022 (edited) got it installed, 8 PSI on the first pull , no knock retard Edited January 12, 2022 by Jim_rockford_007 jman093, 94 olds vert and pwmin 2 1 Quote
Jim_rockford_007 Posted January 15, 2022 Author Report Posted January 15, 2022 OK did some other testing, Got 5 degrees of KR but I was still running about a 1/4 tank of regular 87, so I stuff $40 bucks of 93 high test in yesterday, We will see what that does. Im sure i will need a little tuning, Good thing about this lumina is its got a 1/4 inch larger exhaust that most other w bodies and quad tip dual outlets on both mufflers. Quote
94 olds vert Posted January 15, 2022 Report Posted January 15, 2022 34 minutes ago, Jim_rockford_007 said: OK did some other testing, Got 5 degrees of KR but I was still running about a 1/4 tank of regular 87, so I stuff $40 bucks of 93 high test in yesterday, We will see what that does. Im sure i will need a little tuning, Good thing about this lumina is its got a 1/4 inch larger exhaust that most other w bodies and quad tip dual outlets on both mufflers. Even stock my L67 didn't have any KR. I am currently running a 3.5 pulley with 0* of KR. I have a 3.4 ZZP pulley I want to put on and see if that gives me any KR. Also run 93 in a L67. A tune will definitely help get your KR down. Quote
55trucker Posted January 15, 2022 Report Posted January 15, 2022 1 hour ago, Jim_rockford_007 said: I was still running about a 1/4 tank of regular 87, so I stuff $40 bucks of 93 high test in yesterday, The L67 is a Premium fuel engine only right off the assembly line........increasing the boost exacerbates the need for premium. 94 olds vert 1 Quote
Jim_rockford_007 Posted January 15, 2022 Author Report Posted January 15, 2022 well I do alot of around town driving,., so I dont beat on it very often, You can run reg in any car it will simply pull more timing . premium is for Maximum output . Quote
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