Gouged Bottom of Crankcase

[dieseltwitch]

Ok guys so heres my problem, my #1 Lower Rod Bearing let loss and gouged the bottom of the crank case nicely! im planing on puting a +4 mm stroker but i have never done this before. do i need to get the crank chase machined to accepet these parts? Im guessing that with a +4 crank that i will have to take off 2mm all the way around on the sides? am i wrong? help me!

[2004LEBanshee]

Ok guys so heres my problem, my #1 Lower Rod Bearing let loss and gouged the bottom of the crank case nicely! im planing on puting a +4 mm stroker but i have never done this before. do i need to get the crank chase machined to accepet these parts? Im guessing that with a +4 crank that i will have to take off 2mm all the way around on the sides? am i wrong? help me!

 

no dredging for a 4 mill only 7 and up. You need a spacer plate, or custom domes and 795 series pistons.

[locogato11283]

yep, hes right..no case trenching until you hit 7mm stroker motor..just bolt on and go.

[dieseltwitch]

yep, hes right..no case trenching until you hit 7mm stroker motor..just bolt on and go.

so what do i do about the heave gouging of the crank case

[dieseltwitch]

Edited April 15, 2007 by dieseltwitch

[2004LEBanshee]

 

To be honest I would think you would be ok just sanding that out by hand. As long as there was no wear where the bearings and seals sit I dont see a problem. I assume you are talkin about the scratching where the rod bottom are at. Maybe someone else can help better but I bet your ok

[Shee-Male]

...as common as beat up factory domes.

Go ahead & install your crank, the galing won't make one bit of differance.

[dieseltwitch]

Yeah is rigth where the con rod is. the lower con rod let go and gouges it up, the dropletts are just watter. and i dug most of the baring metal out