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B18B LS/VTEC with ITR crank?

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Old Aug 3, 2005 | 08:51 PM
  #1  
RareSI's Avatar
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Default B18B LS/VTEC with ITR crank?

I have a 95 B18B1 LS motor that I plan to convert to the LS/VTEC setup down the road. I am sitting here wondering... In an All Motor-N/A application, would it at all be benificial to replace the LS (B18B1) crank with one from the ITR (B18C5)?

Pros? Cons? Other suggestions?

Thanks in advance!
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Old Aug 4, 2005 | 09:27 AM
  #2  
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Default Re: B18B LS/VTEC with ITR crank? (RareSI)

When I searched, I hadn't found too much.

b16b w/ itr crank and rods stock IM, TB, jdm itr header, j's intake.... which cams?
https://honda-tech.com/zerothread?id=1296747

WILL ITR RODS FIT ON LS CRANK
https://honda-tech.com/zerothread?id=1255664

ITR crank in a B18B?
https://honda-tech.com/zerothread?id=1254951


From what I can tell, it seems that the stock LS rods won't even work correctly on the ITR crank. Correct?

So, pending that the ITR crank is used in the LS block, I assume I would need to use either ITR rods or aftermarket rods for use on the ITR crank. Correct?

But, what I really want to know is, is there a benefit to swap the crank? What are the differences in the two cranks?


Modified by RareSI at 1:56 PM 8/4/2005
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Old Aug 4, 2005 | 10:20 AM
  #3  
97L-esVeeTeg's Avatar
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From: The all motor Forum but my house is in, Iowa
Default Re: B18B LS/VTEC with ITR crank? (RareSI)

using an ITR crank will just destroke the motor (89mm vs 87.2mm), resulting in a slightly better r/s ratio (1.54 vs. 1.58). Doesnt make a whole 'lotta' sense, you're better keeping the itr crank in a itr block (girdle, webbing, oil squiters, etc.) Or just use as LS crank and rods and do a ls/vtec.
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Old Aug 4, 2005 | 10:41 AM
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Default Re: B18B LS/VTEC with ITR crank? (97L-esVeeTeg)

Thanks for the input. That's basically what I was looking for. Any other input you might suggest?
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