conrods

souren · Post by **souren** » Fri Nov 10, 2006 1:44 pm

what are my options to fit pistion with 22mm gugien pins onto 21mm conrods
the problem is that i have bought acl race series pistions and apparently they are late model 4g63, and they don't make ones for starions according to repco

Lunacy · Post by **Lunacy** » Fri Nov 10, 2006 1:57 pm

Hey man
If u take ur rods to a machine shop they should be able to bore out ur rods pin ends to 22mm. If ur using standard rods would be a gd idea to get them prepped too, shot peening is always a gd idea for standard rods.

Junkers · Post by **Junkers** » Fri Nov 10, 2006 2:40 pm

4g63 vr4 rods should work, alot stronger than stock too.

Post by **TOMSUN** » Fri Nov 10, 2006 3:37 pm

souren wrote:what are my options to fit pistion with 22mm gugien pins onto 21mm conrods
the problem is that i have bought acl race series pistions and apparently they are late model 4g63, and they don't make ones for starions according to repco

What about a late set of rods... (with 22mm gudgeon pins already there)
eagle A$850 a set?

nzgsr · Post by **nzgsr** » Fri Nov 10, 2006 3:42 pm

bs they do so make pistons 2 suit 21mm pin i priced them about a year ago there were some 4 sale on trademe 2months ago and what would all the vr4 nuts if they had 2 get new rods every time they built an engine

souren · Post by **souren** » Fri Nov 10, 2006 4:29 pm

[they do so make pistons 2 suit 21mm pin i priced them about a year ago there were some 4 sale on trademe 2months ago and what would all the vr4 nuts if they had 2 get new rods every time they built an engine]
that is what the manager at repco told me, he also recon the the 21mm pins are from non turbo motors[/quote]

RiceThief · Post by **RiceThief** » Fri Nov 10, 2006 4:48 pm

nzgsr wrote:bs they do so make pistons 2 suit 21mm pin i priced them about a year ago there were some 4 sale on trademe 2months ago and what would all the vr4 nuts if they had 2 get new rods every time they built an engine

Souren's right acl race series pistons only come in the 22mm pin. As for rod options what about secondhand evo 4 onwards rods as they are 22mm.

nzgsr · Post by **nzgsr** » Fri Nov 10, 2006 6:41 pm

that makes no sense acl do 21 mm pin non forged and i am sure i have seen 21mm pin race series 4 sale. But maybe i am wrong think it is stupid though as hole is smaller 4 21 so if u made them with 21mm pin enlarging the hole to 22mm wouldnt be a problem

souren · Post by **souren** » Fri Nov 10, 2006 6:53 pm

yeah but will the evo 4 conrod fit on the starion crank????

tri26t · Post by **tri26t** » Fri Nov 10, 2006 7:14 pm

I know a few local lads that have had 21mm rods
bored to 22mm

and it was like $16.50 per rod to do them
how ever you may as well have your pistons
floated while your at it, maybe $30.00 extra (per rod)

Cheers:Phil.

Barney · Post by **Barney** » Thu Nov 16, 2006 9:55 pm

Dont buy race pistons and re-use the chop stick rods if you can get Eagle Rods cheap. From memory we sold them at Top Racing for about $650
www.topracing.com.au

Ash

coop1er · Post by **coop1er** » Fri Nov 17, 2006 3:30 pm

Just for interests sake, Starion 4g63 rods (and Cordia 4g62) are the
same as vr4 rods up to a certain engine build number. After that they
are different but I dont know what that difference is. This suggests to
me that there is no point changing to dohc 4g63 rods as they are probably
the same thing anyway. I know this for a fact because I cross referenced
them from a Mitsubishi parts microfische at my old work and they have
the same part number.

Barney · Post by **Barney** » Sat Nov 18, 2006 2:27 am

coop1er wrote:Just for interests sake, Starion 4g63 rods (and Cordia 4g62) are the
same as vr4 rods up to a certain engine build number. After that they
are different but I dont know what that difference is. This suggests to
me that there is no point changing to dohc 4g63 rods as they are probably
the same thing anyway. I know this for a fact because I cross referenced
them from a Mitsubishi parts microfische at my old work and they have
the same part number.

They do look like they come from the same Chinese restaurant!

redzone · Post by **redzone** » Sat Nov 18, 2006 6:14 pm

4G63 generation 1 (up to sometime in late 92) had 21mm gudgeons. generation 2 had 22mm. that goes for turbo and non turbo, best bet yes is the eagle rods as they are cheap and they're good. alter standard rods at your own peril!

rallidave · Post by **rallidave** » Sun Nov 19, 2006 11:21 pm

redzone wrote:4G63 generation 1 (up to sometime in late 92) had 21mm gudgeons. generation 2 had 22mm.

hey redzone, is that what they mean by 1g and 2g engines??? (crazy dsm language!)

Austarion

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