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Z4M full strip down and rebuild project
- Thread starter john-e89
- Start date
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john-e89 said:
John,if you decide to sell the Remus for the M,drop me a pm,as mentioned when you bought them, I would still be interested, cheers
Good exhaust the Super sprint.
Have funnily enough been looking at them today and yesterday,as trying to source sensibily priced 100 or 200 cell Sports cats doesn't seem possible. The ss ones are over 2k,on a par with BMW oe ones.
Silly money,tbh
grannyknot
Member
John, here are a couple of pics of the results of my homemade vapour blaster, I guess it's really more like a wet blaster.john-e89 said:grannyknot said:
Yes but I've spent tens of thousands on kit Granny and it's a business. I'd be very interested to see your vapour results.
Used and old pool pump for circulation and about 110-120 psi air pressure and fine grain glass beads.
The thing I like about wet blasting with glass beads is the little bit of shine it leaves, almost like it has been shotpeened.
These are throttle bodies from an S54.
craig3.2 said:john-e89 said:
John,if you decide to sell the Remus for the M,drop me a pm,as mentioned when you bought them, I would still be interested, cheers
Good exhaust the Super sprint.
Have funnily enough been looking at them today and yesterday,as trying to source sensibily priced 100 or 200 cell Sports cats doesn't seem possible. The ss ones are over 2k,on a par with BMW oe ones.
Silly money,tbh
Will do Craig.
grannyknot said:John, here are a couple of pics of the results of my homemade vapour blaster, I guess it's really more like a wet blaster.john-e89 said:grannyknot said:
Yes but I've spent tens of thousands on kit Granny and it's a business. I'd be very interested to see your vapour results.
Used and old pool pump for circulation and about 110-120 psi air pressure and fine grain glass beads.
The thing I like about wet blasting with glass beads is the little bit of shine it leaves, almost like it has been shotpeened.
These are throttle bodies from an S54.
IMG_1101.JPG IMG_1104.JPG IMG_1106.JPG
They look great Grannyknot…superb results especially for a homemade kit. Yes the process is called either vapour or wet blasting, neither is wrong. The level of polish finish is by glass grade and air pressure, the lower the pressure the higher the polish. Top work sir.
More progress, diff and rear subframe out with no issues. Usual input shaft seal failure. Considering a 4.10 new diff for better acceleration, however it’s pretty cost prohibitive unless really worth it, anyone with any experience please give your thoughts. Diff is going off for new clutch packs and a service so it’s an ideal time for a change in ratio if worth it.
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Couldn’t resist blasting the wishbones, they needed soda blasting first as they were too heavily oxidised for the vapour blaster only. It’s fine to blast ally like this, but not for delicate surfaces like cylinder heads or carbs etc.
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warmasice said:markplant said:
I was just about to ask the same.
Totally depends on your needs chaps, you can just wax them with eg, Meguires spray wax every now and again if the car is garaged, or clear coat them, or paint them. If you're painting no need to polish them in the vapour blaster, leave them a dull but clean finish after soda blasting. I've polished these as I'll be waxing now and again as this will be a fair weather summer only car.
john-e89 said:craig3.2 said:john-e89 said:
John,if you decide to sell the Remus for the M,drop me a pm,as mentioned when you bought them, I would still be interested, cheers
Good exhaust the Super sprint.
Have funnily enough been looking at them today and yesterday,as trying to source sensibily priced 100 or 200 cell Sports cats doesn't seem possible. The ss ones are over 2k,on a par with BMW oe ones.
Silly money,tbh
Will do Craig.
Thanks John
A few more bits done, it’s ready for the valve clearance shims to be done, just waiting for the shim kit to arrive. Rear subframe blasted along with the trailing arms, these were really rusted and took an hour each to blast, I had to use plenty of iron grit to get them back but I think the pics speak for themselves. I'll be painting them with a very expensive primer then spray top coating in a Grigio grey with a clear coat to give them a shine.
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