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Old 08-02-2003, 02:00 PM   #1
S|L3NoZ
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Question GSR or CR-V????

Hello guys!!!! I recently bought an Acura Integra RS 95 and I want to swap the engine. I plan to put a turbo, headers, bigger injectors, bigger fuel pump, intercooler, etc.... In fact, I wanna get the more power I can (torque & max speed). But now the problem is that I don't know which is the best block to start with. Can you guys help me!?!? Any other comments you have will be appreciate..... Thx a lot

Dave
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Old 08-02-2003, 02:40 PM   #2
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Check out the link at the top of the 92+ civic forum. There's a whole enigne swapping guide that helped me a lot. I'd say go with the CR-V, though. It's got a lot more torque, and would be a good option for turbo.
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Old 08-02-2003, 08:41 PM   #3
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well if you are gonna turbo, you wont get a header, you gotta get a turbo manifolod. and if you are going to turbo, Id go B20, cheaper and should handle plenty of boost stock, plus big displacement for more torque.
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Old 08-03-2003, 01:49 AM   #4
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I don't wanna find myself behind.....I wanna be real fast.....
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Old 08-03-2003, 01:57 AM   #5
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I think that a B20 with turbo cams, and about 15 psi will be fast enough for ya.
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Old 08-03-2003, 11:48 PM   #6
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Another question.....Should I go with a Type-R, Si-R or Gs-R head....??? Some people told me that if I want max speed, I should go with Type-R. What do you think about it?
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Old 08-03-2003, 11:53 PM   #7
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I think if you wanna go turbo you should keep your LS head and block because you need low CR when you use turbo so an LS stock is great, and use your stock tranny, longer gear ratios are the best on turbo charged engines.
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Old 08-05-2003, 06:17 PM   #8
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Well....I'll probably go with CR-V block....thx guys
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Old 08-05-2003, 06:37 PM   #9
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yeah, the B20 will bolt up to the LS tranny you got now which is good for turbo app.s, plus the B20 is the same thing as the B18 except the bore, and cr, which is a bit lower. 8.8:1 and the B18 is 9.2:1, I think if you wanna boost any more than about 12 psi, you should get some strong rods, and some (ductile iron?) sleeves. but if you are going to go turbo, you should just spend the moeny that would go towards, head, manifold, vtec wiring, ecu, and all that good stuff on just building a turbo B20. but if you want all motor then go CRVTEC and get some high cr pistons.
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Old 08-05-2003, 09:11 PM   #10
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Can you tell me what is CRVTECH???? I use to see this term often but never knew what it means.....
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Old 08-05-2003, 09:36 PM   #11
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Its a CRV block with a VTEC head, makes for a high reving high torque engine.
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Old 08-05-2003, 09:38 PM   #12
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Quote:
Originally posted by S|L3NoZ
Can you tell me what is CRVTECH???? I use to see this term often but never knew what it means.....
that's the setup that uses a B20 CRV Block with a B18 or B16 Vtec Head
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Old 08-06-2003, 01:39 AM   #13
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It can be a high revving/high torque engine, but mostly just high torque, cuz the block cant really be revved all that high. I am use the stock integra redline for street racing at and the track Ill use the redline of a GSR since Ill have a P72 ECU, so Ill shift at like 8200 or so, but you dont wanna rev the B20 very high all the time. poor r/s ratio and no piston squirters.
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Old 08-06-2003, 05:55 AM   #14
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For a turbo app, defiantly the B20 CRV over a GSR B18C1. But can I ask, since you have a B18B1 LS to begin with, why spend money to junk it for a CRV's B20? The LS is a GREAT GREAT engine to turbo. Arguably one of the best to turbo. You already have the LS tranny, which is perfact for a turbo app due to the longer gear ratios, keeping the turbo spooled longer. Also, a B18B1 can take 12psi on stock internals. It's a very strong engine, with a strong block. The Comperssion Ratio is low enough too, at 9.2:1, so you are fine with that. Why spend money to dump the LS and put in a B20, put that money into making your's an LS turbo. At 12 psi, intercooler, You should be looking as 250 hp or so, and that should be plenty fast for you to start. If you need more, strenghten the internals, close the deck, increase fuel flow, etc, and turn up thr boost. The LS is the engine of choice for many people when wanting to build a turbo'd engine. If you didn't have one, If you had a Civic DX with a D15B7 lets say, I'd say look into the B20 if you want to. But you already are starting with a perfect turbo motor, the LS. Why spend money to swap in the B20 when your current motor is a great turbo motor. That's just money you could have put towards the turbo itself. If you do get the B20, I know that putting in LS cams puts out a little more power. There's a guy in jacksonville with a 12 second turbo'd crv, he put in LS cams. Don't kid yourself though, a Turbo'd LS can be a VERY fast motor.

Also, the CR-Vtec is the same idea as an LSVtec. A B series Vtec head (usually a B16A or B18C1 head) matted to the CRV or the LS Block.
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Old 08-06-2003, 12:37 PM   #15
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According to your help......I'll probably go with LS or CR-V block. What I want is to get the best performance I can from these blocks. So.....If I go with turbo LS block, will I get better performance than a turbo CR-V? Sorry if I ask so much questions but I really wanna make sure my investments will worth it. 'Cause I would really be disapointed to go with an LS for exemple, and to figure out that the CR-V was better. It's difficult to make a choice 'cause every single person has its opinion about this but, technicaly, there are evidences that can't be denied and I'm looking for those evidences. It appears that the GS-R isn't the best over all so.....let's forget about this one. CR-V seems to be the best for torque but that's all I know. Is it reliable? What about max speed? LS is a stranger to me......Thx again for helping me out guys
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