Talk to me about con rods.

[oblark]

Has anyone got some imformation/photo`s of the difference between 850, V70R (ph1 series 3) and S60R con rods ?

[Dangerous Dave]

850 and P1 x70 engines used a 139.5mm length rod and later engines used a 143mm length rod. There are also some 147mm rods used on the RN engine with a shorter piston (according to VS). Apparently there are differences in widths of the rods too.

Also the stroke depth was different (not sure on which engines yet) one being 90mm stroke and the other 93.5mm.

Trying to find a thread I saw comparing a selection of standard and forged rods.

[Ettienne]

850 and P1 x70 engines used a 139.5mm length rod and later engines used a 143mm length rod. There are also some 147mm rods used on the RN engine with a shorter piston (according to VS). Apparently there are differences in widths of the rods too.

Also the stroke depth was different (not sure on which engines yet) one being 90mm stroke and the other 93.5mm.

Trying to find a thread I saw comparing a selection of standard and forged rods.

That sounds like a useful tread

[Dangerous Dave]

Here's the forged rods thread, still can't find the other one

http://volvospeed.com/vs_forum/topic/155507-aftermarket-rods-china-comparison/

[Ettienne]

http://volvospeed.com/vs_forum/topic/44158-forged-or-not-s60r/

[p fandango]

didn't i sell you my RN 90mm crank, so you'll want either 139mm rods with your original pistons, or 147mm rods with ME7 short skirted pistons. I know someone interested in buying that crank if you want to got 93mm stroke & S60R rods & pistons

http://i791.photobucket.com/albums/yy196/pedro-fandango/Volvo/diagrams%20-%20info/engines%20components/2_zps1cd81cb7.jpg
850 on the left, ME7 on the right

[oblark]

I've read those threads on vs and it says the early v70r has forged internals but I would like to see photographic evidence.

Otherwise it's only hearsay.

[p fandango]

I've read those threads on vs and it says the early v70r has forged internals but I would like to see photographic evidence.

Otherwise it's only hearsay.
wasn't there a rumour 850R's ran stronger rods than normal 850's as well

[oblark]

There's loads of rumours about the rods :)

[Dangerous Dave]

There's a rumour one of mine is bent.....

[oblark]

Hopefully tomorrow I can throw sone light on the difference between the rods

[960kg]

I have proper pics. somewhere but need to delve!

But to mention part numbers and not rumours the pics. show them for the upgraded rods from std. 850 to 850R which uses the V70 rods B5234T3 240bhp as you can see T4 is the R