 3rd gen rods in a 4th gen, ive been told it works, but to THESE pistons? |
 Aug 10, 2011 - 5:06 AM
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 Enthusiast  Joined Feb 1, '05 From Charlotte NC Currently Offline Reputation: 14 (100%)  |
Hi all, as some of you know i am currently in the process of rebuilding a st215 motor. it was necessary to deck and bore the block .20 over and replace the stock st215 pistons with some JDM oversized caldina pistons (toyota brand) according to some guys on mr2oc.com the part number is: Piston kit (0.5mm oversized) : 13103-88580 which i saw referrenced to here: http://www.mr2.com/forums/turbo-engine-tal...er-request.html
Herein lies my dilema... Its been suggested to me to replace the rods due to the fact that the fourth gen rods are a weak point in that engine. the rods from the 3rd gen are known to be beefier. the question is will they: 1. Fit into the 4th gen 2. attatch to the piston ive found this VERY interesting conversation: http://s4.invisionfree.com/lexusaltezzaclub/ar/t11717.htm but it still dosent answer my question fully... Cuts the pilot is a BIG opponent of the 4th gen rods. (he says theyre made of cheese  ) however by good buddy camshaft cam (boosted185) says that teh 3rd gen rods wont fit. I havent been able to find anything...any help would be greatly appreciated! cheers! This post has been edited by easternpiro1: Aug 10, 2011 - 5:14 AM --------------------  QUOTE (Galcobar @ Oct 15, 2008 - 2:44 AM)  You want power but have no money. That's a problem. Cheap. Reliable. Fast. Pick two. |
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Aug 11, 2011 - 9:09 PM
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Enthusiast Joined Jan 28, '07 From Québec, Canada Currently Offline Reputation: 1 (100%) |
Here is some more information. I'm sorry for Cuts_the_pilot, but I will prove you wrong.
Here are the part numbers for ST215 pistons and ST205 pistons, they are different : http://www.toyodiy.com/parts/p_J_2001_TOYO...DWMZZ_1301.html http://www.toyodiy.com/parts/p_J_1998_TOYO...BLMVZ_1301.html Here are some pics or ST205 and ST215 pistons and rods side-by-side with some measurement (credits goes to DeamonSlayer on MR2OC for the pictures) :         As you can see, the ST215 have a thinner small end and the ST215 piston internal dimension to accept this rod end is small too. So, I'm not sure you will be able to use ST215 pistons with ST205 rods. I suggest you to invest in some forged 9.0:1 ST185-ST205 pistons if you want to still use your ST205 rods. Sam |
Posts in this topic
easternpiro1 3rd gen rods in a 4th gen Aug 10, 2011 - 5:06 AM
ST205WRC as far as fitting the crank yes they will. all 3s... Aug 10, 2011 - 7:19 AM Cuts_the_Pilot *weighing in 130lbs*.......
The ST215 and ST205 ... Aug 10, 2011 - 6:47 PM Neon90424 yes, Caldina rods are made of cheese, 205 rods can... Aug 10, 2011 - 8:32 PM easternpiro1 ok im sold! so in addition to the rods, i woul... Aug 10, 2011 - 11:12 PM Cuts_the_Pilot the part numbers for the pistons on toyodiy differ... Aug 11, 2011 - 2:49 AM
easternpiro1 thanks man! will do! I saw how much the AR... Aug 11, 2011 - 8:39 AM easternpiro1 what about the wristpin? Cam says the overall len... Aug 11, 2011 - 11:02 AM Neon90424 beware if you buy 3sgte ARP rod bolts they will no... Aug 11, 2011 - 4:33 PM easternpiro1 SH!T...FCUK...DAMN.... UGH!
wow! Gre... Aug 12, 2011 - 12:14 AM easternpiro1 also got some info from our friends at MR2OC
... Aug 12, 2011 - 12:25 AM ST205WRC most machine shops should be able to mill the coup... Aug 12, 2011 - 12:32 AM PhoenixTech Aside from all of the useful information on rod an... Aug 12, 2011 - 9:44 AM bsamps4 But what about the 205??? Very capable of becoming... Aug 12, 2011 - 12:57 PM presure2 IMO i'd just get a set of 3rd gen rods, have w... Aug 13, 2011 - 8:28 AM |
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