So bought a built 07 mazdaspeed6 off of marketplace and it has turned into quite the project for someone who has no idea what the hell they are doing. This is my first adventure into the car world and for some random reason I have fallen in love with the damn thing. Doing all of the work in my gravel driveway as I don't have a garage or any sort of real flat ground to work on. Interior is 10/10 and body is a solid 8 or 9/10. Some slight rust on the hood but other than that it's pretty good. Yes, it's mostly bought and not built. But it comes with issues and faults that a first timer is working through and I figured I would document here for myself or others reading pleasure. Plan to maintain this car for many years to come.
Bought the car with a list of the following mods:
- Manley Rods and Pistons
- ARP Head studs
-GTX3582r Turbo
-Ported Intake Manifold
- autotech hpfp
- cpe front mount intercooler piping
- Mishimoto intercooler
-3.5' ram power intake
- 3 in vband downpipe straight pipe
- grimmspeed boost controller
- Tial 44m Wastegate
- 3.5 bar map sensor
- Corksport balance shaft delete
- egr delete
- aem methanol kit
- CS short shifter
- Diamond oil catch car
- Accessport and car was tuned
- CS fuel injectors
For starters I was told that the car needed fuel injectors but other than that everything was basically good to go. The guy had started to relocate the battery to the trunk and never finished so had to do that. So I attempted to tackle the fuel injectors first (I have another post about that on here as well.) Basically, bought some knockoff fuel injectors from ebay like an idiot and they didn't work. I put the original CS fuel injectors back in and we were back in business. Fast forward a bit and I am still having some white smoke coming out of my exhaust randomly and then after another week or so it got to the point I couldn't even sit in a drive through without getting smoked out. So I parked the bitch and the fun began.
First assumption was a head gasket and based on what it looked like... just might be right. Lol. Did compression tests and all 4 come back as 120. From what I could tell, that's low, so went ahead and ordered parts for timing chain, vvt, and head gasket. For someone who has never done more than an oil/tire change on a vehicle this has been one of the most challenging yet rewarding endeavors. It took anywhere from 15-20 hours of labor to get everything disassembled and to get the head off. Going to post a picture below of some of the components removed and if anyone has anything they notice visually, please call it out. There is a hell of a lot of knowledge in this community. I used this video on youtube to guide me through the process:











Head has now been sent off to machine shop for clean, resurface, and pressure test and hopefully be ready sometime in the middle of next week. While I am waiting on that to return I am going to meticulously clean everything I can get my hands on inside the engine bay. I am also replacing a few of my sensors/plugs during re assembly and during this waiting period. Crankshaft/Camshaft position sensor, 02 sensor, knock/detonation sensor, replacing MAF and VVT plugs, replacing return fuel lines from hpfp as well as another hose or two that were dry rotted and cracked. I'll post updates as this process continues.
If you have any suggestions or things that I should look at/do/replace while I have the head off that I am not already attempting to do, PLEASE call it out. I want to do this right the first time.
Bought the car with a list of the following mods:
- Manley Rods and Pistons
- ARP Head studs
-GTX3582r Turbo
-Ported Intake Manifold
- autotech hpfp
- cpe front mount intercooler piping
- Mishimoto intercooler
-3.5' ram power intake
- 3 in vband downpipe straight pipe
- grimmspeed boost controller
- Tial 44m Wastegate
- 3.5 bar map sensor
- Corksport balance shaft delete
- egr delete
- aem methanol kit
- CS short shifter
- Diamond oil catch car
- Accessport and car was tuned
- CS fuel injectors
For starters I was told that the car needed fuel injectors but other than that everything was basically good to go. The guy had started to relocate the battery to the trunk and never finished so had to do that. So I attempted to tackle the fuel injectors first (I have another post about that on here as well.) Basically, bought some knockoff fuel injectors from ebay like an idiot and they didn't work. I put the original CS fuel injectors back in and we were back in business. Fast forward a bit and I am still having some white smoke coming out of my exhaust randomly and then after another week or so it got to the point I couldn't even sit in a drive through without getting smoked out. So I parked the bitch and the fun began.
First assumption was a head gasket and based on what it looked like... just might be right. Lol. Did compression tests and all 4 come back as 120. From what I could tell, that's low, so went ahead and ordered parts for timing chain, vvt, and head gasket. For someone who has never done more than an oil/tire change on a vehicle this has been one of the most challenging yet rewarding endeavors. It took anywhere from 15-20 hours of labor to get everything disassembled and to get the head off. Going to post a picture below of some of the components removed and if anyone has anything they notice visually, please call it out. There is a hell of a lot of knowledge in this community. I used this video on youtube to guide me through the process:
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Head has now been sent off to machine shop for clean, resurface, and pressure test and hopefully be ready sometime in the middle of next week. While I am waiting on that to return I am going to meticulously clean everything I can get my hands on inside the engine bay. I am also replacing a few of my sensors/plugs during re assembly and during this waiting period. Crankshaft/Camshaft position sensor, 02 sensor, knock/detonation sensor, replacing MAF and VVT plugs, replacing return fuel lines from hpfp as well as another hose or two that were dry rotted and cracked. I'll post updates as this process continues.
If you have any suggestions or things that I should look at/do/replace while I have the head off that I am not already attempting to do, PLEASE call it out. I want to do this right the first time.