update on engine rebuild...isnt it pretty
#1
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update on engine rebuild...isnt it pretty
hey you guys just posting up more pics of the progress of my motor. Banzai racing is doing a great job. while you are there at my pics check out the Banzai racing website.
http://banzairacing.net/winnie_02-05.htm
http://banzairacing.net/winnie_02-05.htm
#3
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i think they mask it off then use high temp engine paint. just look on the website i think they explain it. dude Chris at Banzai Racing is awesome... he also has tons of parts that he has created for the fc and fd.
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It's really hard to paint them correctly using masking... they probably have some crappy plates that aren't useable anymore, they use those and loosely bolt the whole engine together, spray it down with the blue and there you have it, blue housings. Inverse for the plates.
Not having the extra parts, I put the entire block together, painted it black, then took the housings and masked them carefully and painted them red... still turned out "just ok" and the paint on the housings was thick since it was OVER a coat of black.. but it still looked awesome.
--Gary
Not having the extra parts, I put the entire block together, painted it black, then took the housings and masked them carefully and painted them red... still turned out "just ok" and the paint on the housings was thick since it was OVER a coat of black.. but it still looked awesome.
--Gary
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actualy last time i was at the shop they had a motor taken apart and it was masked off. i think elaine does it she is pretty talented in payin attention to detail. im pretty sure they mask and paint. they do it for free when you get the motor rebuilt with them... they are also removing all the emissions for free with the rebuild...yay.
#7
Sharp Claws
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simple to mask and paint, i usually mask off the sides and paint the housings then do the cleanup on the side surfaces with light frit sandpaper which cleans them of imprefections and of paint then you can wipe off any possibile overspray with carburetor or brake cleaner.
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#9
Sharp Claws
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and turn brown/blue whatever that color is after about 1000 miles, i just sandblast my housings or you can go silver which turns a gold color after it gets baked in.
edit: actually looking at the finished job, no offense, i hate people who spray over bolts and brackets, it even looks like they painted over the oil filter pedestal..... hacks!
edit: actually looking at the finished job, no offense, i hate people who spray over bolts and brackets, it even looks like they painted over the oil filter pedestal..... hacks!
Last edited by RotaryEvolution; 02-05-05 at 12:51 PM.
#10
Sharp Claws
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Originally Posted by BlaCkPlaGUE
Those failure areas, what would cause that? pre-ignition? too much boost?
thin castings, the castings are made from an initial mold but when they chuck the casting up to the machine to mill out the o-ring grooves the plate can be offset a few millimeters which can cause the o-ring groove lands to be thin in some areas of each casting, it is a crap shoot whether you get a casting which is thick around the whole cast, in fact i'd say overall only about 30% of the castings i have seen were 'perfect' and needed no reinforcements.
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actually what i found out about my motor that i didnt know is that they replaced the original one. this one is a junkyard motor (it was marked). so im guessing it sat and the fluids collected in that area and rotted it out. but that is just my guess.
#15
Banzai Racing
Actually with this paint, it doesn't discolor with heat. And I personally don't appreciate being called a "hack". The oil pedestal was removed and new o-rings were installed btw.
Edit: I looks like Karak doesn't have anything positve to say about anything looking at his other post, he appears to just be negative.
Edit: I looks like Karak doesn't have anything positve to say about anything looking at his other post, he appears to just be negative.
Last edited by BlueTII; 02-05-05 at 03:50 PM.
#17
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Originally Posted by Karack
thin castings, the castings are made from an initial mold but when they chuck the casting up to the machine to mill out the o-ring grooves the plate can be offset a few millimeters which can cause the o-ring groove lands to be thin in some areas of each casting, it is a crap shoot whether you get a casting which is thick around the whole cast, in fact i'd say overall only about 30% of the castings i have seen were 'perfect' and needed no reinforcements.
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Yea they're all aluminum.. so your saying that the iron are better? is it worth the weight difference? should one be worried if they bought aluminum housings?
#20
Sharp Claws
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the rotor housings(aluminum) are where the rotors 'foat' in, the iron end housings(iron of course ) are 3 pieces which get sandwiched in the middle and at the ends of the rotor housings to seal the sides of the rotors, these iron housings are the ones that carry this machining problem.
older rotaries(10A and 12A) had the compression seal grooves cut into the aluminum rotor housings rather than the iron end plates.
older rotaries(10A and 12A) had the compression seal grooves cut into the aluminum rotor housings rather than the iron end plates.
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The RB housings are made by RB not Mazda...
http://www.racingbeat.com/FRmazda2.htm
In the drop down list, select "Housings"
--Gary
http://www.racingbeat.com/FRmazda2.htm
In the drop down list, select "Housings"
--Gary
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::::update::::
motor is in the car check out the link in the first post...bottom of that page. notice the polyurethane motor mounts. cant wait to drive the car. i should have it back soon.
motor is in the car check out the link in the first post...bottom of that page. notice the polyurethane motor mounts. cant wait to drive the car. i should have it back soon.