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Thread: BTTF Time Machine Build Questions - Ask Me Anything

  1. #191
    Guy with a DeLorean Mark D's Avatar
    Join Date:  May 2011

    Location:  Stevens Point,WI

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    Quote Originally Posted by minispeedstar View Post

    Can I ask who made up the Perspex cover for the TFC during the restoration? As they deserve to be shot!... lol.
    Can you be more specific? If you're saying there is something off, then what are you referring to? The shape? Fitment?

  2. #192
    Junior Member
    Join Date:  Apr 2015

    Posts:    25

    BTTF Time Machine Build Questions - Ask Me Anything

    Doesn't appear to have been shaped very well, almost bulging around the top and sides, the overhang and also the fact it's split / corner missing by one of the screw holes.. wondered if it was more to be screen accurate but after looking at screen shots realised it isn't?...
    Last edited by minispeedstar; 02-18-2017 at 01:07 AM.

  3. #193
    Senior Member cpistocco's Avatar
    Join Date:  Jun 2013

    Location:  Cranston, RI

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    Hello Mark
    I have come to the conclusion that I will use Mr Weaver's Cad design. Is there any way that you (or someone else on the forum) could outline precisely which pieces are part of the exhausts. I am going to build those first (from 1/8 in aluminum).
    Thank you...as always....for all of your assistance.
    -Charlie

  4. #194
    Guy with a DeLorean Mark D's Avatar
    Join Date:  May 2011

    Location:  Stevens Point,WI

    Posts:    1,751

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    Quote Originally Posted by cpistocco View Post
    Hello Mark
    I have come to the conclusion that I will use Mr Weaver's Cad design. Is there any way that you (or someone else on the forum) could outline precisely which pieces are part of the exhausts. I am going to build those first (from 1/8 in aluminum).
    Thank you...as always....for all of your assistance.
    -Charlie
    If you want to just build the vents then cut everything on his layout minus those marked with a red X.



    I would advise cutting everything at once though since you will typically be charged a minimum fee for a run of parts and it'll be cheaper to do it all at once vs multiple runs of parts. You'll at least want the engine deck as well as the vents so you have something to mount the vents to.

    Just as important as having the piece parts for the vents are how the parts are supposed to be assembled. IE: how parts overlap, if corners are edge to edge or corner to corner when welding, etc. For that you'll need to contact Weaver since he designed the parts and knows how they are supposed to go together. I'm also not sure how his vents are intended to mount to the engine cover either.

    For anyone else with questions regarding Weaver's layout please contact him directly on his facebook page

  5. #195
    Junior Member drewguillory's Avatar
    Join Date:  Apr 2012

    Posts:    21

    Mark, could you elaborate on these various hoses? Part numbers, correct length, proper fittings, stock vs modified, correct diameter, etc. Thanks in advance!








  6. #196
    Guy with a DeLorean Mark D's Avatar
    Join Date:  May 2011

    Location:  Stevens Point,WI

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    I could probably write a book just on all the hoses used... there is a lot to know about each one individually but I'll start with some basic info. A few are still available but most are either NLA or prohibitively expensive for the casual time machine builder. I've spent more time than I care to admit running NSN searches to find hoses that are close that can be cut apart and made to look correct. Most were originally purchased from Luky's in Burbank, CA. This place can still cut and crimp hose ends so if you find hoses with the right fittings but are too long, or only have one correct fitting you can frankenstein multiple hoses into one good one.

    A while back I was talking with another member on the board and he created this image of the rear deck and assigned letters to each hose:



    "A" - Hydraflow Bulkhead Hose(s) - These can be purchased to original spec direct from hydraflow. Super expensive though...like 300 bucks per hose. Need one on the side of the car and the same hose is mounted next to the flux capacitor in the inside of the car. The end fittings and crimping ferrules have slightly changed over the years but are pretty much the same as vintage hoses.

    "B.1 and B.2" - Vent to Bulkhead - Large hoses from the side of the vents to the bulkhead are different PN's for each side. These can still be made to spec from the original supplier, I don't have the info handy at the moment for the supplier, but if you're interested I can dig it up. I think each hose was a couple hundred bucks.

    "C" - Hydraflow Janitrol hose - This simply inserts into the Janitrol and the other end connects to a custom welded pipe fitting/bulkhead connector that is screwed into the bulkhead. The hose itself is similar to hose A but is a larger size. Same green nomex casing over the hose.

    "D" - Flexible Aluminum Duct - Can be purchased from NAPA and other auto parts stores, pretty standard emissions hose.

    "E" - Oil Separator to Trapezoid Hoses - These have to be hand made from scratch and are a huge pain in the ass to make correctly. Metal flexible inner hose covered by a special SS woven double outer braid. We've had to machine end fittings from scratch since they are not available anywhere.

    "F" - Weatherhead crossover tube - Used to be plentiful at Luky's but have not been available for a long time. People have made castings of these that look just as real as the originals. The end fittings can be painted with "Metalcast" anodizing paint.

    "G" - Vent to Vent - Small black inboard hoses w/ 45 deg fittings that bridge across the black strip on the vents. These also came from Luky's and no longer exist. The set I have was custom made by butchering together various different hoses that had the correct end fittings.

    "H" - Reactor Duct - Black corrugated ducting connected to plastic/PVC elbows painted silver. Each requires a different type of clamp. Lots more to know on the hose and clamps. If you want accuracy.

    "I" - "Vent to Deck" - Small stainless hoses with 90 fittings originally came from Luky's. These don't exist anymore either with the correct type of end fittings. The set I have was butchered together using longer hoses with the fittings cut off and then crimped back on a shorter hose.

    "J" - CAT Ducting - http://www.aircraftspruce.com/catalog/appages/cat.php - I'll have to look up the correct size. This same ducting is used on the interior of the car along the center console.

    "K" - Orange and black exhaust duct - Connects to 90 deg elbow on flux capacitor through the bulkhead.


    OTHERS NOT LABELED:

    Hydraflow reactor hoses - These are the four reactor hoses that connect around the ring of the reactor and fit between the heatsinks. The far ends connect to the oil separators. These can be purchased from hydraflow or XRP to specs that are close to the originals. $100-$200 per hose though. Vintage ones are almost impossible to find in the the correct size, AN-5 so AN-6 reproduction are one option. The correct hoses have a single black spiral tracer that runs the length of the hose, the repros are either solid green or have a double yellow tracer.

    Orange tube - Connects Janitrol to Zero can on rear bulkhead - Flexible Air intake duct. Not sure if the supplier for these have dried up or not.

  7. #197
    Senior Member mluder's Avatar
    Join Date:  May 2011

    Location:  Happy Valley, OR

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    Quote Originally Posted by Mark D View Post
    I could probably write a book just on all the hoses used... there is a lot to know about each one individually but I'll start with some basic info. A few are still available but most are either NLA or prohibitively expensive for the casual time machine builder. I've spent more time than I care to admit running NSN searches to find hoses that are close that can be cut apart and made to look correct. Most were originally purchased from Luky's in Burbank, CA. This place can still cut and crimp hose ends so if you find hoses with the right fittings but are too long, or only have one correct fitting you can frankenstein multiple hoses into one good one.
    ^^^^^^This is AWESOME!^^^^^^
    Thanks
    Steve
    Cheers
    Steven Maguire
    #4456


    IT'S A TRAP!!!!!

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