Join Date: Nov 2002
Atrus is offline
Re: balance shaft removal??
I'm with Mint on this one. I completely removed and eliminated the balance shaft in my stroker 4.3 and would never do it again. I don't care about the idle so much, it's got a comp 280 after all...but doing it right was a pain. Instead of ditching the large gear, I had the machine shop cut and lathe it down so it functioned as a spacer between the cam and timing set, so I could run the standard timing setup. That took forever, it's a lot of metal. I addition, to my knowledge, doesn't the balance shaft provide oil for the timing set and doesn't it throw some oil onto the cam, lifter valley etc.? We had to put a fitting into both sides of the block where the balance shaft it to tap into the oil supply. After that we made a long spray bar that oiled the cam and lifter valley. This may have been overkill after the fact. We then had to plug both of the holes for the balance shaft. One's easy, it's a freeze plug, and I can't remember what I ended up doing for the part that's under the front cover.
It seems to be functional as of now. But as far as the hassle, nope, I'd probably sacrifice the 1-2hp it takes, if that. Guess my setup doesn't make any noise though...
96 s10, green, 4/5 Drop, Stroked 4.3 (approx. 300 ci), 17" Enkei Wheels, Kumho Tires, Mahle Pistons, Eagle Rods, Custom Stroker Crank, .030 over bore, Balance Shaft Delete, Comp 280 cam, 1.6 Crane Gold Rockers, Ported/Polished/Fully built Vortec Heads, Edelbrock 2114, Holley 600cfm, Edelbrock Headers, Walbro Fuel Pump, Aluminum Fuel Cell, Turbo 350, 3000 Stall, NX Nitrous plate setup, open headers right now...etc...