RIP WBX

Here's the place for info on converting to a Type V motor!
mr horsepower
Posts: 10
Joined: Sun May 13, 2007 12:28 pm

Re: RIP WBX

Post by mr horsepower » Tue Jan 20, 2015 3:12 pm

Do you guys machine the rods when you go on arp s
I never did that when i replaced the stock ones with fresh used stock ones
If the stretch readings were to much
Just punched them in
And never had anny issues gr henri

buildabiggerboxer
Posts: 610
Joined: Wed Mar 25, 2009 2:50 pm

Re: RIP WBX

Post by buildabiggerboxer » Wed Jan 06, 2016 5:42 pm

turner wrote: before
Image
after
Image
Image

Turner
Judging by the chamber shape, in the above pics I see sunk valves here.

For comparison, side by side
Sunk valve and stock valve chamber, the German stocker is 18cc and bigger in chamber volume than often quoted, they came from a brand new factory MV 2.1, suggesting to me they supplied the bigger chambers on MV motors, other heads I've CC'd, have been only 14cc.


Image
Last edited by buildabiggerboxer on Wed Jan 06, 2016 6:16 pm, edited 1 time in total.

buildabiggerboxer
Posts: 610
Joined: Wed Mar 25, 2009 2:50 pm

Re: RIP WBX

Post by buildabiggerboxer » Wed Jan 06, 2016 5:56 pm

mr horsepower wrote:Do you guys machine the rods when you go on arp s
I never did that when i replaced the stock ones with fresh used stock ones
If the stretch readings were to much
Just punched them in
And never had anny issues gr henri
They go right in with no machining, normal common sense applies to check for ovaled ends, if they go in loose, the rods are fretted and a throw away, ive had them were the cap just falls off the bolts, scrap them, there's nothing wrong with new 2.1 stretch bolts either, just stretch them 003" and done, usually that's about 30/32 lb/in.

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