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Thread: 645CSi

  1. #26
    Join Date
    Aug 2008
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    Sydney Australa
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    2,482
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    1x633, 1x E3 2 DR Racer
    I hear you. This is why I've got a race S38B38 in my 633CSi, a 6 speed E39 M5 gearbox and the E34 M5 large case 3.73 LSD. I thought about the 645 route but getting the engine to work with RHD is a little more complicated, then an S38B38 came up for sale and the rest is history..... not always fun history......... some quite painful........... but in the end it should be a sub 5 second rocket that puts most modern hot hatches to shame.

    Unlike you I cannot turn up the boost so what we get is what we get. You may still end up with a 700hp monster.

    Looking forward to the next instalment.
    1977 633 CSi RHD Euro. S38B38 3.9L M5 Transplant. 5 Speed Getrag Dogleg. 3.73 LSD. 417hp, 369lb/ft
    1971 3.0CS E3 2dr Alpina Special Coupe Racer, 347hp, 295lb/ft

  2. #27
    Join Date
    Jul 2005
    Location
    Mission Hills , CA
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    2,490
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    X535D 323iS Z4 i3
    If I had a chance to get S38B38 I would've surely went with it. But I am a turbo aficionado, so everything goes according to the plan.

    Painted some parts yesterday. Found this KBS coatings XTC paint that after baking to 350F is heat resistant up to 1500F. The customer reviews say good product, I hope it will last. I hate rusty turbos and exhaust manifolds.






  3. #28
    Join Date
    Jul 2018
    Location
    Netherlands
    Posts
    292
    My Cars
    1982 628CSi
    I like what you guys are doing, and I also like turbo's. Are you putting an angled intercooler behind the valance?

  4. #29
    Join Date
    Aug 2008
    Location
    Sydney Australa
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    2,482
    My Cars
    1x633, 1x E3 2 DR Racer
    How are you going to bake them to 350 F?
    1977 633 CSi RHD Euro. S38B38 3.9L M5 Transplant. 5 Speed Getrag Dogleg. 3.73 LSD. 417hp, 369lb/ft
    1971 3.0CS E3 2dr Alpina Special Coupe Racer, 347hp, 295lb/ft

  5. #30
    Join Date
    Apr 2008
    Location
    Scottsdale, Arizona
    Posts
    4,885
    My Cars
    81 euro 635, 4.4 X5
    Josh When small enough, the kitchen oven works well. I won't tell you what comes of that!!
    81 Euro undergoing total nut and bolt restoration
    pictures at: flickr.com/photos/bertsphotos

  6. #31
    Join Date
    Jul 2005
    Location
    Mission Hills , CA
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    X535D 323iS Z4 i3
    Quote Originally Posted by Nullified View Post
    I like what you guys are doing, and I also like turbo's. Are you putting an angled intercooler behind the valance?
    This is my track rat E30. For the E24 I will either go for front mounted air-to-air IC, or resort to the original 745i for the time being.

  7. #32
    Join Date
    Jul 2005
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    Mission Hills , CA
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    Quote Originally Posted by Bert Poliakoff View Post
    Josh When small enough, the kitchen oven works well. I won't tell you what comes of that!!
    Close enough. I've done that before and it did m ake for not happy me and really unhappy wife for a while. I am smarter these days.
    Cooked the lunch today:





    Overcooked the second batch a bit and the valve cover turned darker than the rest. Will re-do it next week along with other small parts.

  8. #33
    Join Date
    Jul 2018
    Location
    Netherlands
    Posts
    292
    My Cars
    1982 628CSi
    Excellent use of your outdoor oven!
    Undergoing restauration; my 1982 628CSi: https://www.bimmerforums.com/forum/s...628CSi-rebuild

  9. #34
    Join Date
    Aug 2008
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    Sydney Australa
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    1x633, 1x E3 2 DR Racer
    I approve of your BBQ'ing techniques. How long do you hold the 350F for?
    1977 633 CSi RHD Euro. S38B38 3.9L M5 Transplant. 5 Speed Getrag Dogleg. 3.73 LSD. 417hp, 369lb/ft
    1971 3.0CS E3 2dr Alpina Special Coupe Racer, 347hp, 295lb/ft

  10. #35
    Join Date
    Jul 2005
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    Mission Hills , CA
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    X535D 323iS Z4 i3
    Quote Originally Posted by Shipper View Post
    I approve of your BBQ'ing techniques. How long do you hold the 350F for?
    Around 30 mins.

  11. #36
    Join Date
    Apr 2008
    Location
    Scottsdale, Arizona
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    81 euro 635, 4.4 X5
    Do the grates on the grille leave any lines??
    81 Euro undergoing total nut and bolt restoration
    pictures at: flickr.com/photos/bertsphotos

  12. #37
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    Jul 2005
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    Mission Hills , CA
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    X535D 323iS Z4 i3
    Quote Originally Posted by Bert Poliakoff View Post
    Do the grates on the grille leave any lines??
    Not at all. There is a waiting time ~8 hours between each coat and before baking and the paint has hardened, just not heat resistant until it has reached 350F. For the exhaust parts can be done after installation with the engine running.

  13. #38
    Join Date
    Jul 2005
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    X535D 323iS Z4 i3
    Some more progress this week. Trying to not work with customers coming in and out, more time for our projects.






  14. #39
    Join Date
    Jul 2005
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    Mission Hills , CA
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    X535D 323iS Z4 i3
    After 1 gallon of diesel, 1 gallon degreeser and half gallon gasoline for the pressure washer here is how it looks now. It's not perfect, but close enough. Looks like these oil leaks help preserve what's important











    E39 M5 wheels that we had laying around fit perfectly. Will probably need some spacers. Will be tough decision between these and 18" Alpina that I have.


  15. #40
    Join Date
    Dec 2009
    Location
    Detroit
    Posts
    447
    My Cars
    E36 Compact,Coupe,E30
    Just read through, this will be awesome. Good work so far! I'd say go for the 18" Alpinas!!
    S52 E36 Compact
    E36 325is Coronaproject
    08 Saab 9-3 in Oxford Green

  16. #41
    Join Date
    Jul 2018
    Location
    Netherlands
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    292
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    1982 628CSi
    I'd always choose period correct wheels to compliment the car, that means the size can't be overly large and 18's would be the limit for me. My car will probably use 17's to accommodate a big brake kit, my current 16's are too small for my intended kit.

    Are you coating everything with bitumen undercoating?

    Great work again!

  17. #42
    Join Date
    Jul 2005
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    Mission Hills , CA
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    X535D 323iS Z4 i3
    Quote Originally Posted by Nullified View Post
    I'd always choose period correct wheels to compliment the car, that means the size can't be overly large and 18's would be the limit for me. My car will probably use 17's to accommodate a big brake kit, my current 16's are too small for my intended kit.

    Are you coating everything with bitumen undercoating?

    Great work again!
    I think I will stick to the Alpina wheels. I have 17" and 18" sets, so we'll see which one gets to be chosen.
    This is all the original undercoating, almost untouched for 33 years.

    I have never seen so much grime and slime underneath a car. It took us a decent amount of time and brushing/scrubbing power to clean the undercarriage and especially the wheel wells. On the plus side everything has been conserved to perfection. Looks pretty nice now.






  18. #43
    Join Date
    Jul 2005
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    Mission Hills , CA
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    X535D 323iS Z4 i3
    Early christmas for the shark. Or maybe very late one, after sitting for all this years in the dark garage




  19. #44
    Join Date
    Jul 2005
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    Mission Hills , CA
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    X535D 323iS Z4 i3
    Big boy's in






  20. #45
    Join Date
    Feb 2009
    Location
    Pittsburgh, PA
    Posts
    1,718
    My Cars
    '86 635CSi, '08 128i
    Nice work! That paint really looks good, and your pressure wash made the chassis look brand new.

    Hard to tell, but how tight is the clearance on that wastegate? Any plans for heat shielding?
    Save the manuals!
    '08 128i 6MT, '86 635CSi 5MT (B32, Motronic 1.3, WBO2, G265, 18# FW, 3.46 torsen)
    Past projects:
    '96 318iS, sold 4/23 '90 535iM, RIP 1/23 '90 535iA RIP 6/22 '91 318i, sold 7/19 '97 M3 sedan, sold 11/18 '85 735i, RIP 2/18 '92 325iC, sold 7/16 '91 318iS, sold 6/16 '84 745i, sold 10/14 '82 633CSi, traded 9/12 '90 325i, RIP '87 325 sold '89 525i, traded '87 325iS, RIP

  21. #46
    Join Date
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    X535D 323iS Z4 i3
    Quote Originally Posted by DesktopDave View Post
    Nice work! That paint really looks good, and your pressure wash made the chassis look brand new.

    Hard to tell, but how tight is the clearance on that wastegate? Any plans for heat shielding?
    Thanks. The chassis really looks amazingly preserved and I couldnt find even one rusty spot. Will go over it one more time to get rid of any grime spots left.
    The WG is touching the reinforcement bracket that goes along the strut tower. I will have to cut off part of it(the special tool is on the last pic ). I will install a strut brace that will compensate for the little bit of lost strength. I will put some "golden" insulation tape around the turbo and the WG. But actually there are heat shielding plates around the exhaust manifold and the WG. They were all missing and it took me 1 year to find all the pieces plus a few original bolts and nuts that were missing.
    This is how it sits without the left motor mount:

    Last edited by bawareca; 05-15-2020 at 09:40 AM.

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