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Old 12-30-2011, 02:16 PM   #1
flashmeow
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M54B30 ZHP engine swap into 323

Hello,

Just bought a M54B30 ZHP engine off a wrecked car for about $2600. Next week the shipper is sending it out to me and I will start doing my swap. I am going to replace my M52TUB25 engine.

The ZHP engine has about 90,000 miles.

Planning to do the VANOS seal, vanos rattle and change out all the gaskets.

I am planning to run my original injectors, MAF, throttle body (mechanical), and DME (sharked).

Of course I will get it DYNO after the swap and report back. Currently my car has about 175HP (Dynojet) so I am very anxious to see how many ponies I will see after the swap.

More to follow. the update will be slow because I have to wait for the engine to arrive but I will start updating with pix and of the build as soon as I get the parts.

so excited!!!

Last edited by flashmeow; 02-04-2012 at 11:17 PM.
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Old 12-30-2011, 02:21 PM   #2
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cool!
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Old 12-30-2011, 02:42 PM   #3
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Kkkeeewwwlll you must up pics or perish!! Lol
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Old 12-30-2011, 02:45 PM   #4
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Dyno will look really wierd i suppose , get yourself a 328 tune atleast
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Old 12-30-2011, 02:52 PM   #5
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Quote:
Originally Posted by Pir4t View Post
Dyno will look really wierd i suppose , get yourself a 328 tune atleast
I am going to dyno the car first and see my results before I invest any more money on my getting a tune.

from the top of mind the most cost effective method is for me to to manually flash my DME (MS42) from the 323 stock tune to the MS42 328.

Hopefully I could reuse my shark injectors (finger cross). I am under the assumption that the shark injector is copy protected only by VIN # and all of their tune is based on the DME version number regardless if you have a 323/328 (MS42), 325/330 (MS43), etc.
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Old 12-30-2011, 02:48 PM   #6
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Sounds fun. I don't get how you will run a mechanical TB. Wouldn't that throw codes as the DBW is wired?

Anyway I'd guess you would be around 205 whp. (After a proper tune)
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Old 12-30-2011, 02:48 PM   #7
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You need to consider upgrading your trans to handle the extra power, and also I do not think the DME from the m52tu will run right with the ZHP engine. At minimum you need bigger injectors. Seems like a lot of expense for a 30hp gain. If you are putting down 172hp at the wheels (don't see how that is possible with a 323) then why bother? A stock ZHP only puts about 200hp to the pavement. And with the wrong DME, you won't be able to take full advantage of the 3.0 motor anyways. A $100 set of headers and pullies would probably be about the same.
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Old 12-30-2011, 03:30 PM   #8
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Originally Posted by smolck View Post
You need to consider upgrading your trans to handle the extra power, and also I do not think the DME from the m52tu will run right with the ZHP engine. At minimum you need bigger injectors. Seems like a lot of expense for a 30hp gain. If you are putting down 172hp at the wheels (don't see how that is possible with a 323) then why bother? A stock ZHP only puts about 200hp to the pavement. And with the wrong DME, you won't be able to take full advantage of the 3.0 motor anyways. A $100 set of headers and pullies would probably be about the same.
I have a ZF tranny and this is the same as the 330 I think.

For my 172HP thread please see my intake manifold retrofit project below
http://forum.e46fanatics.com/showthr...ghlight=intake
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Old 12-31-2011, 10:25 AM   #9
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Originally Posted by flashtwosix View Post
I have a ZF tranny and this is the same as the 330 I think.

For my 172HP thread please see my intake manifold retrofit project below
http://forum.e46fanatics.com/showthr...ghlight=intake
I am curious what dyno that was on and if that is corrected power (SAE). I can't figure out how a car with factory 170hp at the crank with an AUTO trans (figure 20-30% loss through the drivetrain) is able to put 170hp to the wheels. A stock ZHP with a 6MT makes 235 at the crank and only gets 200ish to the wheels.

So you are going to go through a lot of pain and anguish to gain 30whp. It would be easier to pick up a used SC kit and bolt it on. I am all for retrofit projects, but this one makes little sense to me. But if you enjoy it, what the heck, go for it right?

One other thing to think about, the 330's come with larger axle splines, I doubt you'll have problems, but it is another potential weak point. And given that the ZF trans is more problematic and weak than it's GM counterpart, I'd strongly suggest a 5 speed swap.
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Old 12-31-2011, 10:42 AM   #10
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Quote:
Originally Posted by smolck View Post
I am curious what dyno that was on and if that is corrected power (SAE). I can't figure out how a car with factory 170hp at the crank with an AUTO trans (figure 20-30% loss through the drivetrain) is able to put 170hp to the wheels. A stock ZHP with a 6MT makes 235 at the crank and only gets 200ish to the wheels.

So you are going to go through a lot of pain and anguish to gain 30whp. It would be easier to pick up a used SC kit and bolt it on. I am all for retrofit projects, but this one makes little sense to me. But if you enjoy it, what the heck, go for it right?

One other thing to think about, the 330's come with larger axle splines, I doubt you'll have problems, but it is another potential weak point. And given that the ZF trans is more problematic and weak than it's GM counterpart, I'd strongly suggest a 5 speed swap.
It just take a minute to read the thread that I posted especially since you questioned (time and time again) my result. I posted my "rebuttal" but yet you continue to ask me the same question. It seems like you are one of those type that are set on your ways and refuse to believe/hear/see any counter arguments that might proof you wrong.

Did x3 dynojet runs each with 4-5 pulls.

each runs consistently pull over 16x ponies.

here is the spec you are asking. again, it just take a minute to read the thread
SAE correction 1.04. SAE Smoothing 3

Last edited by flashmeow; 12-31-2011 at 10:44 AM.
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Old 12-31-2011, 11:54 AM   #11
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As I read through this thread I was thinking the same thing.... read and you may learn something.

Many people are questioning why you are doing this swap for minimal gains, but they are forgetting that this is just a new starting point with a larger platform. Judging by your previous work this will not be the last mod and there will be much larger gains in your future with this new platform.

If I were to do this swap I would not do the drive by wire conversion either, I personally would much rather keep it mechanical and skip all of the problems that are going to come with trying to retrofit drive by wire.




Quote:
Originally Posted by flashtwosix View Post
It just take a minute to read the thread that I posted especially since you questioned (time and time again) my result. I posted my "rebuttal" but yet you continue to ask me the same question. It seems like you are one of those type that are set on your ways and refuse to believe/hear/see any counter arguments that might proof you wrong.

Did x3 dynojet runs each with 4-5 pulls.

each runs consistently pull over 16x ponies.

here is the spec you are asking. again, it just take a minute to read the thread
SAE correction 1.04. SAE Smoothing 3


Great project btw I will be following and cheering you on, make sure to keep us up to date on your progress.
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Old 12-31-2011, 08:59 PM   #12
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Quote:
Originally Posted by flashtwosix View Post
It just take a minute to read the thread that I posted especially since you questioned (time and time again) my result. I posted my "rebuttal" but yet you continue to ask me the same question. It seems like you are one of those type that are set on your ways and refuse to believe/hear/see any counter arguments that might proof you wrong.

Did x3 dynojet runs each with 4-5 pulls.

each runs consistently pull over 16x ponies.

here is the spec you are asking. again, it just take a minute to read the thread
SAE correction 1.04. SAE Smoothing 3
You need not get so defensive. If you don't see why I am questioning you then re-read my posts. I didn't say I didn't believe you.
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Old 12-30-2011, 02:49 PM   #13
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How do you propose running a car with all of the sensor for a MS45 DME on the block yet have an MS42 DME and harness?
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Old 12-30-2011, 02:50 PM   #14
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How do you propose running a car with all of the sensor for a MS45 DME on the block yet have an MS42 DME and harness?
that's what I was wondering but considering she's been around here for a while, I'd assume she had taken care of that and didn't want to question.

well the cat's out of the bag now! sooo??
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Old 12-30-2011, 02:54 PM   #15
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How do you propose running a car with all of the sensor for a MS45 DME on the block yet have an MS42 DME and harness?
There is an easy way around that but we will see.

I am going to reuse my MS42 wireharness and skip the MS45 harness.

Beside the Throttle Body, MAF, and a few other things....every single sensor/componets on the M52TU and M54 are interchangable so things should (in theory) be plug and play (sensor wise).

Now...I know I am not going to run the ZHP engine at 100% efficiency/optimum without the proper MS45 tune, injector, MAF, throttle body, etc but I am willing to live with that until I am ready to upgrade.

Last edited by flashmeow; 12-30-2011 at 02:56 PM.
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Old 11-04-2012, 05:58 PM   #16
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Quote:
Originally Posted by flashtwosix View Post
There is an easy way around that but we will see.

I am going to reuse my MS42 wireharness and skip the MS45 harness.

Beside the Throttle Body, MAF, and a few other things....every single sensor/componets on the M52TU and M54 are interchangable so things should (in theory) be plug and play (sensor wise).

Now...I know I am not going to run the ZHP engine at 100% efficiency/optimum without the proper MS45 tune, injector, MAF, throttle body, etc but I am willing to live with that until I am ready to upgrade.
I would just supercharge the M52TU. Same amount of money, less work, more power.

Good luck with your mod. I was thinking of doing a 2.8 L displacement upgrade with parts from a 328, but i'll keep saving for a SC kit.
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Old 12-30-2011, 02:56 PM   #17
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How do you know you won't run lean with smaller injectors and restrictive tune with increased cylinder volume and cause irreversible heat damage?? (just a theory)

be careful!
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Old 12-30-2011, 03:01 PM   #18
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How do you know you won't run lean with smaller injectors and restrictive tune with increased cylinder volume and cause irreversible heat damage?? (just a theory)

be careful!

yes running lean is a big concern for me that is why I am going to hook it up to my GT1 and see the 02 reading. If I am going to run lean then I have no choice but to droppe in the 330 purple injectors and send my car off to get a custome tune.

There are a few members on here than swap out their M52TUB25 and M54B25 to the b30 version and ran on their stock tunes and reported no issues so I am hopefull. I think Angie swap out her 2.5 for a 3.0 and ran stock tune for a while.
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Old 12-30-2011, 02:58 PM   #19
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Can anyone tell me whether there is anyway for me to do a compression test on the engine without it being hooked up to the car? Can I just manually cracked the car to do my compression test.

I am going to inspect the valve cover gasket for any sign of sludge, reinforce my engine pump nut, replace all gaskets, but need help with the compression test.
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Old 12-30-2011, 03:01 PM   #20
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You can always flash your DME for to the ZHP tune in the meantime
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