K, so i'm in the middle of a rebuild and a tt conversion and was buying a new crankshaft. Something he told me puzzled me an i wanted to get you guy's input. He said he had a bunch of forged cranks because they are crappy and most people with 3k's end up putting in a cast crank.
I knew, well thought i guess, that forged cranks were stronger. I don't know if this guy was full of s**t or what. Anyway input would be appreciated
Yes forged cranks are definitely stronger. You can tell if its a forged crank by tapping the end where the crank pulley bolt goes on and it will make a high pitched ring if it is forged. Cast cranks FTL
how much power do you want to make?
For a 9b setup, just take a crankshaft out of a minivan. It will be fine. Probably only cost 50 bucks, and it won't have been beaten on!
No point getting a forged crankshaft for that.
I only use cast crankshafts and have never had a problem
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Brent
1992 Duster 11.54@125 22psi BONE Stock 6g72 12 valve - 12.7@114 14psi boost -516whp 519ft/lb 20psi (Old 3.13L built shortblock) - Precision 6765, Tial 38mm open dump, 3" open downpipe, 20x12x3" evo style intercooler, Stock 10:1 diamante 12 valve shortblock with regapped rings. heavily ported heads (+40% on flowbench), Ferrea Competition Plus +2 +1 stainless valves, Nielson Vintage Racing 278 custom turbo cams, RPW cam gears, Custom Ram Style short runner intake manifold, 12 Gal Jaz Fuel Cell, Dual external Walbro GSL392 255HPs, Dual 5/16" feed lines, Trick Flow AFPR, 3 puck solid hub & 3300# DD plate, OBX Torsional Diff, Zeitronix wideband/EGT/Boost, 2100cc 3 nozzle DevilsOwn Meth. Running on 4.0 BAR Megasquirt II, 47# Inj, E70 Fuel
1994 Spirit - 13.987@101.89 - 5psi- 6g72 SOHC, K27 Turbo
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