#2506159 - 04/03/08 07:28 PM
Mazdaspeed6 Motor Swap
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B15Sentra
Post Master Sr
Registered: 09/25/01
Posts: 6366
Loc: Bay Area, CA
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My Speed6 threw a rod back in October and I have been fighting with Mazda ever since. As the legal bills climb, it makes more sense to fix the car. So, I did some research and I believe I can do it for less than $2.5k (labor included). The dealerships are known to charge more than $8k. Yes, there's a catch.
I found a mechanic in MO that really (REALLY) wants to get rid of a complete MS6 motor for $1500. He's willing to part it and I believe I can get the shortblock for ~$500-700 . The catch being that piston number 1 is scratched. Of course, this is okay because I *probably* have 3 good ones (I shut my car down immediately when it threw the rod). My motor has 11.9k on it while the used one is at about 30k. Questions for the mechanically inclined:
Is my Frankenstein setup possible? What are some possible shortcomings?
Is it likely that I'll have to replace to head also?
Should I offer less for the shortblock?
I've also had a mechanic quote me $800 for just a shortblock install (not including the above idea). Does this seem fair?
Any tips on shipping something like this from MO to FL? Seller wants me to arrange shipping.
Thanks for taking a look. Here's some pics of the motor I'm looking to purchase:
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#2506377 - 04/03/08 08:28 PM
Re: Mazdaspeed6 Motor Swap
[Re: NOHC]
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B15Sentra
Post Master Sr
Registered: 09/25/01
Posts: 6366
Loc: Bay Area, CA
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So you want to buy a blown motor to replace your blown motor? Kinda like...."This aids I got sucks...I wish I had syphilis. Wanna trade?" Get it fixed properly instead of trying to bandaid it. While slight, there's always the slight chance that the pistons/rods/etc aren't the same weight from motor to motor and you'd end up with a half-assed mismatched boat anchor that never ran right again.
It's unlikely that there will be a lot of weight variance as we're talking about two relatively identical and new motors. I don't really want to buy a new set of pistons/rods as the situation is already costly enough.
Edit: and thanks for actually adding some content.
Edited by B15Sentra (04/03/08 08:39 PM)
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#2506412 - 04/03/08 08:38 PM
Re: Mazdaspeed6 Motor Swap
[Re: B15Sentra ]
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Chris92Sc2
Post Master Supreme
Registered: 12/21/00
Posts: 13705
Loc: MI USA
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If you do go this route at least you'll have another block to play with/beef up when time allows. I don't think its a bad idea but if your going through the hassle of arranging shipping I'd offer less.
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#2507026 - 04/04/08 12:19 AM
Re: Mazdaspeed6 Motor Swap
[Re: B15Sentra ]
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skierd
Post Master Sr
Registered: 08/21/01
Posts: 9104
Loc: Fairbanks, AK
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Why not have your current motor rebuilt? Get someone with a Mazda Motorsports membership (or get one yourself) and get the parts at a discount, and have a shop rebuild the engine thats in the car. Why rebuild it when there's a hole in the block? I'm basically replacing the part that is messed up. I've never heard of the Mazda Motorsports Membership - looks like it's for racing teams and requires approval from Mazda.
I didn't know you holed the block. Buying that engine, rebuilding it, and starting fresh is probably the best idea. Maybe with beefy aftermarket rods. Or see how much Mazdaspeed wants for the engines after joining the motorsports program.
The Motorsports program is for racers, including autocross. How long will it take you to get the engine back together? From the membership info page:
If you are building your car.
If your race car is currently under construction, the race results requirement will be temporarily waived if you can provide a copy of your racing club membership card (SCCA, NASA, etc.). You will be required to provide a completion date for the first race you plan to compete in. You will need to provide race results from your first event within 30 days after the competition.
http://www.mazdamotorsports.com/pages/membership.html
You've already voided the warranty, and you've already decided to fix it. What more can you lose by signing up for the program and getting the rebuild parts at reduced cost for the price of an SCCA membership and an autocross entry fee?
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Never run out of real estate, traction & ideas at the same time. 2012 Outback - 2008 Yamaha WR250R v2.0
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#2507572 - 04/04/08 08:44 AM
Re: Mazdaspeed6 Motor Swap
[Re: FCobra94]
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Z24 lol
and Fuck you for the new name lol
Post Master Supreme
Registered: 06/08/00
Posts: 43359
Loc: Lovely CONROE, TX! YEE-HA!
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No carfax wont show that. Carfax doesnt show half the shit wrong with cars.
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#2507792 - 04/04/08 10:00 AM
Re: Mazdaspeed6 Motor Swap
[Re: FCobra94]
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OnyxEros
Post Master Supreme
Registered: 02/17/03
Posts: 17879
Loc: Seattle
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Since you already took it to the dealer and have a record of a voided warranty, wouldn't it show up on carfax already? So that will make is harder to sell right? Even if it is fixed.... I say just sell it as is and move on.
Good luck Who cares? If he gets it up to "running" condition, just trade the damn thing in and move on
sorry this is a dick move I may be in the minority here but if you fuck up a car and just try to bandaid it to get rid of it that's some pussy stuff
Of course if you are going to fully disclose "rebuilt" motor then it's all good
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[quote=turbo_guy_fieri][quote=Kuku]Silence is consent[/quote] [/quote]
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#2508088 - 04/04/08 11:24 AM
Re: Mazdaspeed6 Motor Swap
[Re: DWalk]
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Driven
Ask Me About Carvana!
Post Master Sr
Registered: 03/23/01
Posts: 7414
Loc: Taiwan - Digital Nomading
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sell the car to duder for a nickel and have him and Danny throw something nutty under the hood. like a motor from a Sephia... that'd be hot.
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- 2350lbs, 610whp. British.
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#2508420 - 04/04/08 12:37 PM
Re: Mazdaspeed6 Motor Swap
[Re: OnyxEros]
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FCobra94
Post Master Supreme
Registered: 10/22/01
Posts: 19689
Loc: MD
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sorry this is a dick move I may be in the minority here but if you fuck up a car and just try to bandaid it to get rid of it that's some pussy stuff
Of course if you are going to fully disclose "rebuilt" motor then it's all good
How so? If he gets it back to the way it was before it cracked the piston using OEM parts and everything checks out, how is that any different from any other used car out there?
Is Impulsive a dick for trading a car in that didn't have a stock short block? Do you let dealerships know that, at one time or another, your car was NOT completely stock before handing over the keys? Or that you've taken it to the track a few times and blew the clutch, for instance?
Give me a break...I mean private party is one thing, but if a dealership gives you black book for what they will more than likely send through auction anyway, oh well.
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'07 335i
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#2508459 - 04/04/08 12:50 PM
Re: Mazdaspeed6 Motor Swap
[Re: FCobra94]
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Impulsive
Post Master Supreme
Registered: 11/28/99
Posts: 80784
Loc: Edmonton
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FWIW, mine had a stock OEM untouched Subaru longblock, it just wasn't the one that came with the car But yeah, you can never have full disclosure on car history since many of us hit the drag strip and have a mod or three. I was extremely honest when listing my car for sale though - likely to my detriment.
In a situation like this, if I was to fire sale the car, I would at least find a solid OEM replacement. That was part of the reason I went with an OEM, assembled longblock instead of swapping shortblocks or rebuilding. Less chance for error, poor work, misc. hours finding gremlins, blowing the engine again in a few more months etc.
Fuck me, it hurt the wallet though.
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2020 Taycan Turbo
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#2508460 - 04/04/08 12:50 PM
Re: Mazdaspeed6 Motor Swap
[Re: FCobra94]
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OnyxEros
Post Master Supreme
Registered: 02/17/03
Posts: 17879
Loc: Seattle
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sorry this is a dick move I may be in the minority here but if you fuck up a car and just try to bandaid it to get rid of it that's some pussy stuff
Of course if you are going to fully disclose "rebuilt" motor then it's all good
How so? If he gets it back to the way it was before it cracked the piston using OEM parts and everything checks out, how is that any different from any other used car out there? Is Impulsive a dick for trading a car in that didn't have a stock short block? Do you let dealerships know that, at one time or another, your car was NOT completely stock before handing over the keys? Or that you've taken it to the track a few times and blew the clutch, for instance? Give me a break...I mean private party is one thing, but if a dealership gives you black book for what they will more than likely send through auction anyway, oh well.
Ive never done anything you describe above, and yes it's a bitch move to fuck up a car and throw some duct tape and a band-aid on it and try to pass it off as if nothing was ever wrong.
you fuck up, you deal with it, don't make your problems someone elses headache.
ps blowing a clutch and sending a rod through the block are 2 completely different things
Edited by OnyxEros (04/04/08 12:52 PM)
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[quote=turbo_guy_fieri][quote=Kuku]Silence is consent[/quote] [/quote]
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#2508695 - 04/04/08 01:53 PM
Re: Mazdaspeed6 Motor Swap
[Re: Z24 lol]
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daisy
Post Master Supreme
Registered: 05/18/00
Posts: 44903
Loc: Tacoma, WA
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No carfax wont show that. Carfax doesnt show half the shit wrong with cars. Umm, Carfax shows trips to the dealership. Everytime I had my 6 in the shop, even for oil changes, it showed up on Carfax.
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2017 Volkswagen Alltrack 2007 Volvo XC70 Overland
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#2508724 - 04/04/08 02:00 PM
Re: Mazdaspeed6 Motor Swap
[Re: daisy]
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Z24 lol
and Fuck you for the new name lol
Post Master Supreme
Registered: 06/08/00
Posts: 43359
Loc: Lovely CONROE, TX! YEE-HA!
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No carfax wont show that. Carfax doesnt show half the shit wrong with cars. Umm, Carfax shows trips to the dealership. Everytime I had my 6 in the shop, even for oil changes, it showed up on Carfax.
And carfax doesnt show when my celica was stolen, in 2 wrecks, had its engine replaced due to hydrolock and my spec-vs wreck even though they were all repaired at dealerships.
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