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Thread: SR20VE spun a Rod, I want to put a NEW crank in, what can I use? Best place/price?

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Posts: 11-19 of 19
2014-04-05 22:08:14
#11
Originally Posted by irish
Thanks for the advise. I was taking it up though the gears, hitting red line (7500) each gear


I wouldn't rev much higher than 7200RPM on a stock VE unless you have N1 cams and upgraded valve springs.. they tend not to like that - but with those 2 mods, you can go 1000RPM higher. On the dynojet my motor made it's PEAK power at 7980RPM, in 4th gear, at 110MPH; it then started to fall off a bit. I still take it to 8250~ish when "racing" because of where the next gear is going to make power.
Last edited by Storm88000 on 2014-04-05 at 22-11-26.
2014-04-06 19:26:18
#12
What type of valve springs are you running? Where did you get them? What was the cost?
2014-04-08 02:49:16
#13
Originally Posted by BlueRB240
Originally Posted by irish
I put a Sr20ve in my 93 Nx 2000, and was loving it until a rod bearing spun after 3000 miles.

Can I use any SR20 crank as a replacement? Is their one better than another? Out of what car? and what Year?
Any suggestions on where to get one, at a reasonable price, would be really helpful.


any SR20DE crank can be used. You need to have the machine shop line hone the block for the new crank. While your at it get some eagle rods just if you plan to rev it hard later. Might as well since you have to rebuild the bottom end.

So you cant just swap in a DE crank you have to machine it?
2014-04-08 03:08:02
#14
Originally Posted by irish
What type of valve springs are you running? Where did you get them? What was the cost?


Supertech, I forget the price, call Greg @ G-spec I think he has a good price on them.
2014-04-08 05:28:03
#15
Originally Posted by Redline
Originally Posted by BlueRB240
Originally Posted by irish
I put a Sr20ve in my 93 Nx 2000, and was loving it until a rod bearing spun after 3000 miles.

Can I use any SR20 crank as a replacement? Is their one better than another? Out of what car? and what Year?
Any suggestions on where to get one, at a reasonable price, would be really helpful.


any SR20DE crank can be used. You need to have the machine shop line hone the block for the new crank. While your at it get some eagle rods just if you plan to rev it hard later. Might as well since you have to rebuild the bottom end.

So you cant just swap in a DE crank you have to machine it?


Yeah the mains need to be line bored.
2014-04-13 21:24:23
#16
Originally Posted by Storm88000
Originally Posted by irish
What type of valve springs are you running? Where did you get them? What was the cost?


Supertech, I forget the price, call Greg @ G-spec I think he has a good price on them.


Ebay has the best price on Supertech S&Rs. Search a bit but you can find them for $300 with free shipping.....
2014-04-19 16:17:29
#17
I spoke with Greg at G Spec, he told me that any sr20 fwd crank will work. That the bearings in a de, will work on a ve. they have the same specs.
Their is a great difference of opinion about line boring of a block, the machine shop I spoke with said that in 98 plus percent of the cases, it is not needed, if you have a crank that didn't have a problem with the main bearings, when pulled, you are wasting your money.
Last edited by irish poet on 2014-04-19 at 16-24-52.
2014-04-20 01:01:58
#18
If Greg says it, it is true

At this point I would believe Greg if he told me that SR20's were made from rocks from the planet Venus. That guy is the #1 SE-R guru IMO *and* he knows about lots of other Nissans too
2014-04-20 13:52:56
#19
If you do not have a machine shop at least check the clearances of the block and new crank you are an idiot. If they are out of spec then get it honed, if not you should be fine. You need to measure for the correct bearings, guessing is not good enough.
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