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Old 09-25-2007, 02:51 PM   #1
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Default "Official" All Motor LS B18a, B18b - DOHC NONvtec

This setup is questioned about with no real answers. Please post accurate information so it can compiled into one write up for each topic. Thanks

Topics:

1. OEM piston use (ITR, CTR)
-ITR/CTR pistons in LS B18a motor
http://honda-tech.com/showpost.php?p...&postcount=290
http://www.honda-tech.com/zerothread?id=2068971

-all motor LS
http://honda-tech.com/showpost.php?p...&postcount=288
http://honda-tech.com/showpost.php?p...&postcount=310
http://honda-tech.com/showpost.php?p...&postcount=287
http://honda-tech.com/showpost.php?p...&postcount=285
http://honda-tech.com/showpost.php?p...5&postcount=19
http://www.honda-tech.com/zerothread?id=2103632

2. Interchangeable internals (with little to no modification)-Discussion on making P8R head work with an LS block
http://www.honda-tech.com/zerothread?id=1466416

3. Most reliable setups (after market, sleeves, etc.)
-"Built" streetable B20 (RS Machines pistons, Crower 404s, etc.), piston and CR discussion
http://www.honda-tech.com/zerothread?id=1707713

4. ITB

5. Tuning

6. Dyno
http://www.honda-tech.com/attachment...1&d=1229142250
http://honda-tech.com/showpost.php?p...&postcount=258
7. Power vs. RPM


LINKS BELLOW
Approved by Nick M

Last edited by CW96; 01-08-2011 at 10:09 PM.
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Old 09-25-2007, 03:02 PM   #2
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Default Re: "Official" All Motor LS B18a, B18b - DOHC NONvtec (CW96)

Huh, cool idea. How about P8R information as well? I'll dig up some of the more pertinent threads later on and link them, if that's how we're going to be doing it.

B20 non-VTEC FAQ with P8R information
http://www.honda-tech.com/zerothread?id=1467903

Nonvtec.com...just because, I guess? The people there are at least dedicated to the non-VTEC cause
http://www.nonvtec.com/board

Discussion on making P8R head work with an LS block
http://www.honda-tech.com/zerothread?id=1466416

"Built" streetable B20 (RS Machines pistons, Crower 404s, etc.), piston and CR discussion
http://www.honda-tech.com/zerothread?id=1707713

If any or all of these are out of line, PM me and I'll remove whichever ones.


Modified by Stinkycheezmonky at 4:15 PM 9/25/2007
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Old 09-25-2007, 04:56 PM   #3
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Default Re: "Official" All Motor LS B18a, B18b - DOHC NONvtec (Stinkycheezmonky)

All of those are great! Lets try to get as much info possible on LS 1.8L block and head. Hmm maybe a budget builders NONvtec (OEM, to whatever extent) build?
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Old 09-25-2007, 11:59 PM   #4
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sweet more ls all motor info . keep it coming
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Old 09-26-2007, 06:48 AM   #5
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Default Re: (661rex89si)

Indeed. Someone post about their ITR/CTR to LS rod findings
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Old 09-26-2007, 12:21 PM   #6
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Default Re: "Official" All Motor LS B18a, B18b - DOHC NONvtec (CW96)

Quote:
Originally Posted by CW96
Indeed. Someone post about their ITR/CTR to LS rod findings
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Old 09-26-2007, 04:14 PM   #7
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Default Re: "Official" All Motor LS B18a, B18b - DOHC NONvtec (CW96)

How about the use of Individual Throttle Bodies?
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Old 09-26-2007, 07:24 PM   #8
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im with you
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Old 09-27-2007, 09:46 AM   #9
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how about a dyno results section?
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Old 09-27-2007, 03:33 PM   #10
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Quote:
Originally Posted by 00b18b
how about a dyno results section?
Good idea, now lets just get some dyno results
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Old 09-27-2007, 04:02 PM   #11
 
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Default Re: (CW96)

How bout RPM limits for LS Rods? RPM limits for LS Rods w/ ARP Bolts? etc etc.
How high (Power and RPM) will our Non-VTEC heads keep flowing as compared to superior VTEC head flow characteristics?
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Old 09-27-2007, 05:21 PM   #12
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Default Re: (CapnToll)

Quote:
Originally Posted by 00b18b
how about a dyno results section?
Added

Quote:
Originally Posted by CapnToll
How bout RPM limits for LS Rods? RPM limits for LS Rods w/ ARP Bolts? etc etc.
How high (Power and RPM) will our Non-VTEC heads keep flowing as compared to superior VTEC head flow characteristics?
Added

All these ideas are golden, but lets get a steam of valid info to do the write up
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Old 09-28-2007, 06:17 AM   #13
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Default Re: (CW96)

crower at one time had an all motor drag dc teg that was making power close to 10 000 rpm but this was a while back they had a ton of great info.

i'll try and find it.
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Old 09-28-2007, 07:05 AM   #14
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Default Re: "Official" All Motor LS B18a, B18b - DOHC NONvtec (CW96)

B18B motor Benson sleeved to 85mm. Wiseco 11.5:1 pistons-IB rods. LS crank knife edged and balanced by Castillo's Crankshaft, teflon coated by IB. IB ported LS head (P75). Stock valves, JG springs and retainers. Crower 405A cams. JDM ITR header, no cat, stock ITR cat back, GSR muffler. Blox intake manifold, custom velocity stack intake. Precision 440 cc injectors. Hondata S300.


Took out the 405A's, installed a set of Brian Crower stage 2 cams, installed a GSR intake manifold custom fabricated to work on an LS head, motor makes 160/192 with a nice flat torque curve and my daughter drives the car everyday
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Old 09-28-2007, 03:42 PM   #15
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Default Re: (strict 9 ef)

Quote:
Originally Posted by strict 9 ef
crower at one time had an all motor drag dc teg that was making power close to 10 000 rpm but this was a while back they had a ton of great info.

i'll try and find it.

PLEASE find that
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Old 09-28-2007, 03:53 PM   #16
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thanx for all of this NA b20 LS non vtec stuff... need it this type of info
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Old 09-28-2007, 05:56 PM   #17
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Quote:
Originally Posted by SIC_jdm_da9
thanx for all of this NA b20 LS non vtec stuff... need it this type of info
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Old 09-28-2007, 10:59 PM   #18
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Default Re: (CW96)

So whats the verdict on the p8r and the ls 81mm block?
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Old 09-29-2007, 06:12 AM   #19
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Default Re: (143MYVTECEF)

the combustion chamber on a p8r head is more like a b16 head as far as the chamber height and since it has a rather large volume (47cc) milling it isnt a bad idea. by this i mean the depth from the head surface to the quenchpad. i milled mine .024" and there was still room to go. in one of the other threads they suggested milling it down to the quench pads so you can run it on a 81mm block. this essentially would eliminate the pockets that would form if you installed this head on a smaller than 84mm block. i dont know one way or the other since i run a b20 block.

heres my chamber after milling .024, i suppose going .03-.04 would get you completely flat (i think i remember measureing the depth at .03" before it was milled)

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Old 09-29-2007, 06:24 AM   #20
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Default Re: (CapnToll)

Quote:
Originally Posted by CapnToll
How bout RPM limits for LS Rods? RPM limits for LS Rods w/ ARP Bolts? etc etc.
How high (Power and RPM) will our Non-VTEC heads keep flowing as compared to superior VTEC head flow characteristics?
the limmiting factor on a LS build will almost always be the head. LS rods with ARP rod bolts are used pretty commonly on alot of motors here vtec and non vtec.. quite simply that combo will outrev your head.

the main thing that holds back our builds is camshaft size. take a loot at the vtec lobe size on some of the hotter vtec cams, skunk2 stage 2 or pro 1/2 BC spec 5 thes eall make good power up top. they also have alot more lift/duration than any cam we can run in a LS head. the crower 405a's are as big as you can go without having to modify the head and will support ~ 200whp.
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Old 09-29-2007, 02:34 PM   #21
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Default Re: "Official" All Motor LS B18a, B18b - DOHC NONvtec (CW96)

i have ran my car only a few times this year and it has been really confusing. in the beginning of the year i ran a 14.77 @93 best pass. me and a old friend played with the ecu on his laptop(i didnt ask any questions about the tuning program he just wanted to try it out so i voluteered!) after the tune it ran a 14.26 @96 !! well that ecu burned up a resistor and started running like garbage! it started run 14.7's again. just thought i would share my experience on the non-vtec thread!!!!
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Old 09-30-2007, 09:03 AM   #22
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how much do cams usually go for, i got a b20B stock with the factory PHK pistons, just curious at what the cams will do for me if im going to keep stock internals on the bottom end...
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Old 09-30-2007, 06:38 PM   #23
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Quote:
Originally Posted by g0tgot
how much do cams usually go for, i got a b20B stock with the factory PHK pistons, just curious at what the cams will do for me if im going to keep stock internals on the bottom end...
So far on this thread, members have mentions Crower 405A cams as well as B. Crower stage II
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Old 10-02-2007, 10:44 AM   #24
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Default Re: (CW96)

about time some started this thread, check my signature on the all motor part
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Old 10-02-2007, 10:51 AM   #25
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Default Re: (CW96)

Quote:
Originally Posted by CW96

So far on this thread, members have mentions Crower 405A cams as well as B. Crower stage II
Incorrect. 405s need more compression than what the PHK pistons will provide. 403s will be nice, 404s will be ok. The BC0022s will be somewhat in the middle of those two, I'd expect.

Edit: For prices, figure ~$300 for cams (little less or a little more), and ~$300-350 for valvesprings and retainers, if you choose to use them.
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