SoCal Jet Boats

Tech Talk => Engine Mechanical / Electrical => Topic started by: 2savage4you on June 09, 2008, 03:32:44 AM

Title: Connecting rods/cranks
Post by: 2savage4you on June 09, 2008, 03:32:44 AM
Its confession time, what are you running in your build? I know what people are telling me to do, but i want to know what they are really using.............  Sooooooo........... let me have it...... ;D


"Cast crank"

"Forged crank"

"I" beams


"H" beams


Dont hold back now ;)

2sav
Title: Re: Connecting rods/cranks
Post by: HDriderTH on June 09, 2008, 08:44:11 AM
All GM accept pistons. Forged crank, 7/16 dimple rods and forged TRW pistons. 990 heads
Title: Re: Connecting rods/cranks
Post by: SLCKREG on June 09, 2008, 08:56:47 AM
Same here as HD, except I melted my 990's 2 years ago. Brodix bb2plus now.
Title: Re: Connecting rods/cranks
Post by: The Chaz on June 09, 2008, 10:20:07 AM
Stock Ford Crank and rods. Attached to Forged Pistons.  All ballanced to w/in 1/2 gram.
Title: Re: Connecting rods/cranks
Post by: 2savage4you on June 09, 2008, 10:56:51 AM
Thanks guy's ;)

 Im looking to build a 400-500 hp motor, and it looks like the "I" beams and cast crank are the ticket.....
I have been talking to lots of builders, and they are saying that set up is fine but run forged pistons but then again some say Hypers are just fine :banghead:

2sav
Title: Re: Connecting rods/cranks
Post by: pw_Tony on June 09, 2008, 11:37:44 AM
Cast steel crank here, CJ rods, forged pistons, around 550hp
Title: Re: Connecting rods/cranks
Post by: Ralph Brunt on June 09, 2008, 12:23:12 PM
i thought we already went through this ??? but ok
race boat
scat crank
h-beam rods
forged pistons
lake boat
stock crank
stock rods w/football bolts
forged pistons
Title: Re: Connecting rods/cranks
Post by: GT Jets on June 09, 2008, 07:22:41 PM
Big block Chevy

2-bolt block
steel factory crank
Howards powdered metal rods
forged TRW's
open chamber truck heads ported w/SS valves

Depending on who you talk to, pretty damn tuff.

3 seasons of racing in a A-class river racer (85-95 MPH for 40mins.)

Motor has seen 5,500 RPM loaded 6,400 RPM (tattle tale)
SMFPacks CMS 1.0.3 © 2026