Big Block Oil Mods here is work that should be done any time you do a full rebuild on a 400 / 430 / 455 or if you are having oil pressure issues: Jim Weise's block mods http://www.trishieldperf.com/455_block_mods.htm Timing Cover http://www.buickperformance.com/OilingMods.htm Block Passages http://www.buickperformance.com/oilflow.htm Optional Neoprene Main Seals Front: National Part # 450446 or Federal-Mogul #470543 or National Oil Seals #450446 Rear: Fel-Pro #BS30135 or National Oil Seals #5068 Checking for Oil Pump Wear; a definite must for pressure issues http://www.buickperformance.com/oilpumpwear.htm Plumb for a rear mounted Oil Pressure Gauge, much better than the front mounted stock sending unit http://www.buickperformance.com/Oilmods.htm Strengthen the Lifter Valley; some are very leery of using Ti putties/epoxies inside their rotating assemblies, use at your own risk http://www.buickperformance.com/455LV.htm 350 / Small block work here is what Automotive Performance & Machine does to prep a Buick 350 block: http://www.automachperf.com/350 British v8 suggests v6 oil pickup, drilling the passages and has a nice article on fabbing up a racing pan: http://www.britishv8.org/Articles/BOP-Rover-Oil-Pan-Options.htm V6 specific oil mods Merkel buildup: http://www.gmhightechperformance.co...k_turbo_v6_engine_build_bottom_end/index.html
Gret links w/great information. Everyone should read these, even if you don't have any use for the info. You might be able to pass this on to a new comer... Aloha:TU: , Scott
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