Swap Ek sedan b20b/gsr w/ls 5th

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Dec 9, 2016 | 07:09 PM

sloanavery

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Swap Ek sedan b20b/gsr w/ls 5th

Okay so I have a 99 ek sedan, trying to do my homework on swapping to a b20b. I have most of it figured out, so I think.

PARTS
b20b
intake manifold (integra ls)
Motor mounts (online kit)
ecu (obd1 p75 w/jumper)
Gsr transmission
gsr clutch
ls 5th gear
shift linkage ?
shifter ?
axes ?
throttle body ?
throttle cable ?
harness ?
distributer ?
exhaust manifold ?

what am I missing? anything with a question mark I'm unsure about. oh and subframe......stock ek or do I need somthing else?

Dec 9, 2016 | 08:50 PM

Caoboy

-Intl Steve Krew

Joined: Dec 2003

Posts: 6,805

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Re: Swap Ek sedan b20b/gsr w/ls 5th

Quote:

Originally Posted by sloanavery

Okay so I have a 99 ek sedan, trying to do my homework on swapping to a b20b. I have most of it figured out, so I think.

PARTS
b20b
intake manifold (integra ls)
Motor mounts (online kit)
ecu (obd1 p75 w/jumper) ((run an obd2b P75))
Gsr transmission
gsr clutch
ls 5th gear(use gsr, it's fine for hwy driving)
shift linkage ? (Integra or EM1)
shifter ? (Same as linkage)
axes ? (Integra / B series, depends on the intermediate shaft)
throttle body ? (LS)
throttle cable ? (EM1)
harness ? (Use your stock harness, just do the research to extend a couple of sensor plugs)
distributer ? (LS)
exhaust manifold ?(whatever B series header you prefer)

what am I missing? anything with a question mark I'm unsure about. oh and subframe......stock ek or do I need somthing else?

if you want to keep AC you'll need a CR-V ac compressor bracket.

You'll need a cat convertor or test pipe

Use a stock Integra clutch (oem exedy replacement or the like)

Dec 9, 2016 | 09:29 PM

sloanavery

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Honda-Tech Member

Joined: Dec 2012

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Re: Swap Ek sedan b20b/gsr w/ls 5th

Thanks for the info. I plan on adding a/c later so I'll have to get that bracket. just need somthing running for now.

Dec 10, 2016 | 01:34 AM

White_EG1

Honda-Tech Member

Joined: Jul 2014

Posts: 1,310

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From: the rain state

Re: Swap Ek sedan b20b/gsr w/ls 5th

I wouldn't bother with the ls 5th

Dec 10, 2016 | 11:21 AM

sloanavery

Thread Starter

Honda-Tech Member

Joined: Dec 2012

Posts: 7

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Re: Swap Ek sedan b20b/gsr w/ls 5th

Quote:

Originally Posted by White_EG1

I wouldn't bother with the ls 5th

why not? I'm currently driving a b20 ek coupe and 80 on the highway at 3500-3700. I drive about 130 miles round trip a day. I have read that ls 5th will bring the rpm's down to about 3k which would save some gas, and not be so harsh on the motor

Dec 10, 2016 | 05:30 PM

White_EG1

Honda-Tech Member

Joined: Jul 2014

Posts: 1,310

Likes: 10

From: the rain state

Re: Swap Ek sedan b20b/gsr w/ls 5th

You really think a 500rpm change with the same throttle position is going to save gas? 3.5k on the highway isnt gonna kill the motor at the slightest bit. If anything it will assure It's properly warmed up before shut off.

Not to mention you are sacrificing your 4th-5th powerband.

I mean **** if you have the time and feel like ******* around in the tranny go for it but it isn't going to save you gas, I'd be much more concerned with adding a LSD, to really put ALL of the power to the ground.