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Old 01-31-2002, 10:36 PM   #1
WannaB_racer
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Crx engines??

Hey i was just wondering if any one knows of a good, reliable, engine for a 91 rex that is inexpensive, but perferably gives you a little more horse than stock??? And also if ya do, about how much would that run? Thanks alot
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Old 01-31-2002, 10:39 PM   #2
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The zc motor or the 92-95 civic si/ex motor are both relatively inexpensive swaps.

The cost will depend on what model crx this is going into. What model crx do you have???
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Old 01-31-2002, 10:44 PM   #3
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Its a 91 si... it isnt mine yet, he is losing compression, so i am wondering if it is worth the money... since i would eventually have wanted to do the swap anyways. Thanks
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Old 01-31-2002, 11:08 PM   #4
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ZC swap into an Si

Motor: 650 shipped (conservative price)
Use stock transmission
Use stock ecu or upgrade to an 89 teg or zc ecu (around 100-200)
Uses stock motor mounts
Replace wear and tear items (150-250)

Total: 900-1100

Add about 300 for labor if you have a shop do the swap.

This is a very cost effective swap.
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Old 01-31-2002, 11:12 PM   #5
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how much hp is that? and do you have any clue about how many miles you can get on those? thanks again
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Old 01-31-2002, 11:14 PM   #6
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130 hp
108 lb-ft

I believe that you can get them with probably around 45000 miles. However, if you replace alot of the items that might wear out it will make the motor much stronger and it will give you less headaches down the road.
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Old 02-01-2002, 03:13 AM   #7
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You can actually get the ZC for $495 Just the engine from
nippon-motors.com and you can use your stock tranny and ECU, but a 88-89 Integra LS ECU is recommended for better fuel and so your rev limiter wont kick in at 6800. The ZC redlines at 7200 so your stock ECU wouldnt be of much help. Hope this helped.
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Old 02-01-2002, 08:23 AM   #8
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That would be 495 without shipping. Add shipping and it will come out around 600-650
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Old 02-01-2002, 02:08 PM   #9
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Quote:
Originally posted by 90CRXZCSi
You can actually get the ZC for $495 Just the engine from
nippon-motors.com and you can use your stock tranny and ECU, but a 88-89 Integra LS ECU is recommended for better fuel and so your rev limiter wont kick in at 6800. The ZC redlines at 7200 so your stock ECU wouldnt be of much help. Hope this helped.

umm my rev limiter on my si doesn't kick in till 7,200 rpm... it redlines at 6,800 though... heh not that uh i've ever been in the red or anything yeah thats it... sorry first gear is too tall at times
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Old 02-01-2002, 05:13 PM   #10
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the one for 425? At nippon-motors.com? or the DOHC for 86-89 civic? It will only last me about 45000?? Thanx, that sounds like an awesome deal, other than if that is true about the miles..... thanks again
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Old 02-01-2002, 06:46 PM   #11
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Oh, i see now. Since they are used they come with about 45,000 miles. You can probably get upwards of 200000 miles on it if you don't beat on it and maintain it well.
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Old 02-01-2002, 07:15 PM   #12
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no your gonna wanna get the 495 beacuse the 425 is a green top and you need a black top the green top would swap into a first gen rex and your gonna be getting a econd gen rex
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Old 02-02-2002, 01:59 AM   #13
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haha Alright thanks alott everyone. So that sounds like a pretty wise swap. do ya know aobut the shop hours that would take? sorry so many ?s im just learnin all this... haha
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