2.3L Stroker Question 4G64 100mm Crank
Sep 8, 2004, 12:04 PM
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2.3L Stroker Question 4G64 100mm Crank
Hey guys. Well as some of you know i have been on a mission to get my EVO engine rebuilt. So far i got everything Blueprinted and Balanced, Ross .20 over pistons, Eagle rods, and a full head rebuild.
The question i have is that i came across a 4G64 100mm crank for a very good price. I was wondering if i could get this crank and throw it in with the rods and pistons i got and will it work? If so that should give me the 2.3L. The only thing im worried about is rod length. I dont know with bigger crank if the rod length would get smaller or longer whatever it may be? Or will the normall rods for the Evo work with that crank?
Any info would help.
Thanks Guys
Chris
The question i have is that i came across a 4G64 100mm crank for a very good price. I was wondering if i could get this crank and throw it in with the rods and pistons i got and will it work? If so that should give me the 2.3L. The only thing im worried about is rod length. I dont know with bigger crank if the rod length would get smaller or longer whatever it may be? Or will the normall rods for the Evo work with that crank?
Any info would help.
Thanks Guys
Chris
Sep 8, 2004, 12:43 PM
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Originally Posted by marksae
The stock crank is 88mm, so if you use your current pistons, the piston top will protrude past the deck surface by 6mm. You'll need to get stroker pistons, which are 6mm shorter. You'll be able to reuse your rods.
Thanx
Chris
Sep 8, 2004, 02:22 PM
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Originally Posted by WOT
sell the whole kit & buy some custom rods (longer) & pistons (shortest piston pin height possible).
Eagle rods.............you get what you pay for.
Eagle rods.............you get what you pay for.
Chris
Sep 8, 2004, 03:34 PM
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Originally Posted by 2k4EvoVIII
The only problem with the eagle are normally they are way off balance but not anymore!!
Chris
Chris
I built a 388 small block for a friend & the big ends on these rods were all over the place. My dad bought a crank for his 500 c.i. mopar & that had rod journals +/- .0015"......WTF
Thats what I am refering to. As long as everything measures out alright, you shouldnt have anything to worry about.
Key word "measure"
can you elaborate on the top ring thing you had done or post a pic?
Sep 8, 2004, 04:29 PM
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Hi Christ:
What I have read, is that you have to change only the pistons. Use the crank shaft and your rods. The pistons can be found at Magnusmotorsports.com, look at engine hard parts, there is a set of pistons 9.0:1 for 2.4 stroker. Price is $575.00. Hope this help.
What I have read, is that you have to change only the pistons. Use the crank shaft and your rods. The pistons can be found at Magnusmotorsports.com, look at engine hard parts, there is a set of pistons 9.0:1 for 2.4 stroker. Price is $575.00. Hope this help.
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Sep 8, 2004, 05:06 PM
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Originally Posted by JVELA
Hi Christ:
What I have read, is that you have to change only the pistons. Use the crank shaft and your rods. The pistons can be found at Magnusmotorsports.com, look at engine hard parts, there is a set of pistons 9.0:1 for 2.4 stroker. Price is $575.00. Hope this help.
What I have read, is that you have to change only the pistons. Use the crank shaft and your rods. The pistons can be found at Magnusmotorsports.com, look at engine hard parts, there is a set of pistons 9.0:1 for 2.4 stroker. Price is $575.00. Hope this help.
Thanx
Chris
Sep 8, 2004, 06:11 PM
#9
Originally Posted by 2k4EvoVIII
Thank You!! This does help allot. I guess the only other question is what compression ration should i go for now? The ones i bought for my 2.0 build were 8:5:1 becouse i plan on pushing 35-40psi on C16 and around 24-25psi on pump. Should i stick with the 8:5:1 or should i look into the 9:1 for the stroker pistons?
Sep 9, 2004, 08:19 AM
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Originally Posted by marksae
If you want to run 24-25 psi on pump, I would suggest going w/ 8.5:1. You'll sacrifice a little off-boost power, but you'll make up for the lost power by being able to run more boost. Are you planning on running water injection?
Chris
Sep 9, 2004, 09:38 AM
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I think that 8.5:1 on the stroker would be a custom piston and you should have to wait three to four weeks for the pistons to be ready. Call Marcus at Magnus, he would be very helpfull in your new project.
Sep 9, 2004, 11:25 AM
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Originally Posted by JVELA
I think that 8.5:1 on the stroker would be a custom piston and you should have to wait three to four weeks for the pistons to be ready. Call Marcus at Magnus, he would be very helpfull in your new project.
CHris
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