World's first (second?) V8 2nd generation MR2! - Page 4 - MR2 Owners Club Message Board
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post #61 of 115 (permalink) Old December 17th, 2008, 09:41
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Gainesville,Fl.
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post #62 of 115 (permalink) Old December 17th, 2008, 11:00
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9 months is pretty impressive. Do you have a job?
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post #63 of 115 (permalink) Old December 21st, 2008, 18:23
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top quality work there very impresive just wondering they look like the audi shafts what cv joints did you use or did you switch to audi hubs
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post #64 of 115 (permalink) Old December 21st, 2008, 18:56
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Very cool and very nice work! Well done.
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post #65 of 115 (permalink) Old December 22nd, 2008, 14:02
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Yes I used Audi hubs and modified the MR2 spindles
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post #66 of 115 (permalink) Old December 22nd, 2008, 15:18
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Quote:
Originally Posted by Mike H
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Yeah BOY!!! Florida Mr2's Don't play!!!!! LOL
Mike Congrats... I will have to see this soon... Maybe when some of us come from J-ville to snag up that n/a motor and trans we could see your awsome craftsmanship, and possibly a ride??
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post #67 of 115 (permalink) Old December 22nd, 2008, 15:58
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Wow thats pretty cool,
glad to see someone did it right and didnt put the engine in the front like someone did to a poor mk1 lol.
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post #68 of 115 (permalink) Old January 2nd, 2009, 21:36
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Quote:
Originally Posted by cbulen
The guy who previously attempted a Chevy small block/porshe trans grossly underestimated how much intrusion there would be.
I am entertaining such an idea. Where can I read up on the trials and jubilation of the project?
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post #69 of 115 (permalink) Old January 2nd, 2009, 22:32 Thread Starter
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post #70 of 115 (permalink) Old January 2nd, 2009, 22:48 Thread Starter
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I've said it before and I will say it again (see my Audi V8 thread),

The Audi PT/ABH/ABZ motors are 20.63 inches long from crank pulley to bellhousing face. You saw the photos of Mike's car with his N/S layout, how much the engine went into the passenger cabin. The Chevy's are 29inches long. You do the math.

The Audi is the single best choice for a N/S layout.

I have mated my Northstar to my 6 speed F40, and whenever I get over this flu and get some time, I will drop them into my 91na (tranversely) and see out it looks. I still believe that my solution is easier than Mike's. Not easy, but easier.
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post #71 of 115 (permalink) Old January 5th, 2009, 09:36
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Chris, you might be right about the traverse install being less complicated. The three hardest parts of the north south install for me were the coolant lines (no room to work with). The reinforcement bracing that you will not have to deal with, and possible the worst was the fuel tank. There are somethings that I believe the north south install make easier however, like the exhaust and possibly engine access, And just look at all that room for a couple of turbos.
Keep up the work and I am pulling for you.
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post #72 of 115 (permalink) Old January 5th, 2009, 09:47
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Does anyone have a cutaway schematics of the MR2 so I can look at the measurements?
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post #73 of 115 (permalink) Old January 5th, 2009, 12:29 Thread Starter
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I have about a 99.9% certainty that Toyota will not release any engineering drawings of any of thier cars, even if they are for old/outdated models. This is just standard practice in engineering departments.

Your best bet is to measure a car for yourself. You could also check out the body/chassis specs given in the BGB for body shops.

Here is what I have. Its not great, but I doubt you will find anything better, besides measuring the car for yourself. My drawings are missing some info, like how wide does the frame get as you move towards the front firewall. They are good enough for what I am doing.














Last edited by cbulen; January 5th, 2009 at 12:36.
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post #74 of 115 (permalink) Old January 5th, 2009, 12:31
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I can make some actual CAD drawings of those measurements if you would like...
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post #75 of 115 (permalink) Old January 5th, 2009, 12:51 Thread Starter
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Mike, yup, I envy the room you have for turbos.

SnowRocker88, thank you for the offer. If you are so inclined, and you have a car to measure, maybe you could make some detailed engineering drawings of the engine bay, the stock engine (outline only on that), axles, rear crossmember, etc. If you posted them, it would help anybody doing future engine swaps. For my purposes, it won't be necessary. I am actually an engineer, but I decided that a detailed CAD drawing would not really help me. I could get bogged down just doing the drawing.

Today, I am feeling good enough to attempt to put the N* into my 91na.

Some things for people reading this to consider:
1) the Audi ABZ V8 is the same length, or in some cases SHORTER than Toyota V6's !
2) Look at side view photos of mid-engine exotic cars that have a N/S arrangement. Note the length of the car between the rear most part of the door sills, and the rear wheel well. Note the length of the nose of the car relative to that. You will notice that most mid-engine cars have a pretty long distance there, and a very short nose. The McLaren F1 has so much room there, that Gordon Murray elected to put side trunks (paniers ?) on the F1. The Ferrari Testarossa/512TR and F50 have the radiators in that location. The Pantera has a fuel tank there. (its a much shorter car than the McLaren and the 12 cylinder Ferrari's).

WHeel bases for:
McLaren: 105"
Testarossa: 102"
Pantera: 98"

I think the Lambo's are around 103-105".

Mr2 Mk2: 94.5"
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post #76 of 115 (permalink) Old January 5th, 2009, 13:06 Thread Starter
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Mike, a question for you:

Could you have moved the whole drivetrain back about 1" so that the axles had a permanent angle of about 3* max on them?

Its hard to tell from your photos, but it looks like the axle might hit the attachment point of the lower control arm on the crossmember, if the whole drivetrain were moved back as I propose.

If there is room, it would gain you another inch in the cabin. As I understand it, it is desireable to run a small permanent angle on the CV's so that they do not dimple the races in a single spot. I also found out that 3* does not create any appreciable wear or heat for the CV joints (they will still get 100% of rated life).

The stock 3S-GTE drivetrain has about a 1 inch offset, and I believe its for this reason.
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post #77 of 115 (permalink) Old January 5th, 2009, 13:10
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Thanks for the drawings.

I should be getting a shell into my garage shortly for further analysis.
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post #78 of 115 (permalink) Old January 7th, 2009, 15:37
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I assume it's Mk2 you're after?
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post #79 of 115 (permalink) Old January 15th, 2009, 03:52
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O_O oh dear
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post #80 of 115 (permalink) Old January 15th, 2009, 22:50
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Saw this beast today.....its crazy lol
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