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Cheapest possible practical swap for an EJ7?

Old 10-04-2010, 09:28 PM
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Default Cheapest possible practical swap for an EJ7?

I'd like to keep OBDII. It's a daily driver. D16Y8? I hear B20s are real cheap, but that would necessitate a new trans and such. Thoughts?
Old 10-04-2010, 09:49 PM
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Default Re: Cheapest possible practical swap for an EJ7?

B20s are solid bro. Let me ask you this. What's your budget, what are your power goals? Any D or B series would be a practical swap. They drop in and some you might need to get more parts to make it work. D16y8s would be the most practical but for a little more you can have more torque and dohc which is more responsive to mods.
Old 10-04-2010, 11:03 PM
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Default Re: Cheapest possible practical swap for an EJ7?

stock b20 with a gsr or b16 transmission leave it non vtec, perfect daily driver plenty of torque leave it within its limits and it will last you forever
Old 10-05-2010, 12:17 AM
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Default Re: Cheapest possible practical swap for an EJ7?

Originally Posted by GranDaddyPurp
stock b20 with a gsr or b16 transmission leave it non vtec, perfect daily driver plenty of torque leave it within its limits and it will last you forever
x2
Old 10-05-2010, 01:31 AM
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Default Re: Cheapest possible practical swap for an EJ7?

b20 sounds like a good choice here too
Old 10-05-2010, 02:46 AM
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Default Re: Cheapest possible practical swap for an EJ7?

whats your budget? auto/manual? doing the work yourself/paying a shop?
Old 10-05-2010, 05:43 AM
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Default Re: Cheapest possible practical swap for an EJ7?

This depends on your budget. the cheapest possible swap is a Y8 or Z6 or a D15B.
A B20 with a B16 tranny is not going to be fast. A GSR tranny would be alot better as the B20 really makes its power in the low end and a B16 tranny is geared to a motor that only makes power in the high end (like a B16).
The plus sides of a D16 is that it will drop right in with no mods, will bolt up to your current tranny, and will only require you to run a wire for VTEC (assuming you get a VTEC Swap).
Also why are you asking about a swap? Did you blow your motor or are you looking for more power? Because a Y8 head on a Y7 block (which is what you should have) will make more power than a Y8 (due to the Y7 pistons being higher compression).
Old 10-05-2010, 08:12 AM
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Default Re: Cheapest possible practical swap for an EJ7?

Originally Posted by Jimster480
A B20 with a B16 tranny is not going to be fast.
I used an LS tranny with my last B20Z swap in a 96 cx hatch that ran me mid 14's. The B20 engine had so much torque i was always feathering the throttle on launch because any more than 1/2 at any speed in 1st gear would lead to wheel spin.

I always wondered if having a short geared tranny like a B16 would be a good or bad thing, i never did try it before i sold the car after a couple years
Old 10-05-2010, 08:41 AM
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Default Re: Cheapest possible practical swap for an EJ7?

Originally Posted by Deetz
I used an LS tranny with my last B20Z swap in a 96 cx hatch that ran me mid 14's. The B20 engine had so much torque i was always feathering the throttle on launch because any more than 1/2 at any speed in 1st gear would lead to wheel spin.

I always wondered if having a short geared tranny like a B16 would be a good or bad thing, i never did try it before i sold the car after a couple years
Ya it would be faster with a longer tranny, as you would be able to actually take advantage of the poweraband. Where as a B16 tranny won't stay in the B20 powerband. you should get some better tires though, as I hold traction on my built D series with 303WHP and 241TQ @ 19PSI.
Old 10-05-2010, 10:15 AM
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Default Re: Cheapest possible practical swap for an EJ7?

yea go b20 great torque and very inexpensive
Old 10-05-2010, 11:35 AM
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Default Re: Cheapest possible practical swap for an EJ7?

Originally Posted by HBKFanatic
what are your power goals?
Factory stock.

Originally Posted by 300whpej
auto/manual? doing the work yourself/paying a shop?
Manual to manual. Paying a shop (I currently don't have the tools/access to tools I used to have).

Originally Posted by Jimster480
and will only require you to run a wire for VTEC (assuming you get a VTEC Swap).
The engine in EJ7s is the D16Y5, which has VTEC-E. Would I still need to run that wire?

Originally Posted by Jimster480
Also why are you asking about a swap? Did you blow your motor or are you looking for more power? Because a Y8 head on a Y7 block (which is what you should have) will make more power than a Y8 (due to the Y7 pistons being higher compression).
Turns out I need a new O2 sensor, which is $500 plus labor. I thought if I'm going to drop that much cash, might as well consider a swap. I technically already have a Y8 head on my car (Y5 head casting is exactly the same as the Y8, and actually has a slightly better cam and roller rockers), but I don't know what the differences, if any, there are between Y5, Y7, and Y8 blocks.

Last edited by Whydid; 10-05-2010 at 02:16 PM.
Old 10-05-2010, 12:02 PM
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Default Re: Cheapest possible practical swap for an EJ7?

Originally Posted by Whydid
Turns out I need a new O2 sensor, which is $500 plus labor.
$500 for an O2 sensor!!!? Thats ridiculous! I would definitely try some other shops.
Old 10-05-2010, 01:03 PM
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Default Re: Cheapest possible practical swap for an EJ7?

some shop can do it for $120, $40 for the part and $80 for labor
Old 10-05-2010, 01:18 PM
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Default Re: Cheapest possible practical swap for an EJ7?

im assuming this is a hx/vx/cx (whichever comes with the wideband) for the o2 sensor to cost that much.
Old 10-05-2010, 02:13 PM
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Default Re: Cheapest possible practical swap for an EJ7?

HX, correct. Those prices you guys are saying are for the normal O2 sensors. HXs have wideband ones, much more expensive. I sourced the sensor myself for about $380, which is still very expensive.
Old 10-05-2010, 02:20 PM
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Default Re: Cheapest possible practical swap for an EJ7?

Originally Posted by Whydid
HX, correct. Those prices you guys are saying are for the normal O2 sensors. HXs have wideband ones, much more expensive. I sourced the sensor myself for about $380, which is still very expensive.
did you perhaps call the dealer for a price? i got one for 150.00, while napa and carquest quoted me 386.00. but this was a regular o2 4 wire sensor.
Old 10-05-2010, 02:26 PM
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Default Re: Cheapest possible practical swap for an EJ7?

go with the single cam like you said your not worried about hp, dont spend extra on going b20.
Old 10-05-2010, 03:14 PM
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Default Re: Cheapest possible practical swap for an EJ7?

buy a y8, more practical
Old 10-05-2010, 04:13 PM
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Default Re: Cheapest possible practical swap for an EJ7?

or d15b, better gas mileage and same power.
Old 10-05-2010, 06:20 PM
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Default Re: Cheapest possible practical swap for an EJ7?

Originally Posted by kevinm1981
or d15b, better gas mileage and same power.
This is a JDM only motor, correct? Will I be able to keep OBDII?
Old 10-06-2010, 12:29 PM
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Default Re: Cheapest possible practical swap for an EJ7?

Originally Posted by Whydid
Factory stock.



Manual to manual. Paying a shop (I currently don't have the tools/access to tools I used to have).



The engine in EJ7s is the D16Y5, which has VTEC-E. Would I still need to run that wire?



Turns out I need a new O2 sensor, which is $500 plus labor. I thought if I'm going to drop that much cash, might as well consider a swap. I technically already have a Y8 head on my car (Y5 head casting is exactly the same as the Y8, and actually has a slightly better cam and roller rockers), but I don't know what the differences, if any, there are between Y5, Y7, and Y8 blocks.
There is no point in swapping the motor for a O2 Sensor. And there is no labor on a O2 sensor. It is a crescent wrench and about 3 minutes. Thats it. Its going to cost you alot more than $500 for a swap especially if you are paying a shop to swap the motor.
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