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Old March 12th, 2015, 11:40 AM   #1
70 Bug Mid Engine
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Default 1970 Mid Engine Bug

Hello all!

I would like to share my build with all of you. I started this project about a year and a half ago and it is finally getting close to done. This has all been built at home by me in my garage. I don't have that many fancy tools so I made it as simple as possible. I started with a 1970 Bug. Got it as a complete roller without an engine. I then removed the body and sold the pan. The body was all I needed. After that, I started building a frame to put in. My goal for the car was to be a full tube frame while still using the main portion of the body for additional strength. To change things up from a normal frame build, I decided to do all a-arm suspension and do a mid engine. To make it even more different, I am using an engine and trans out a Chevy Cobalt. Yes that would be a front wheel drive setup but in the middle of the car. The engine itself is a 2.2 Ecotec. I am doing a full build with a forged rotating assembly, CNC ported head, big cams, and a supercharger. Should make around 350HP. I am guessing the car will be around 1800 LBS when done. Should be a very nice power to weight ratio. I am planning on racing auto-x and a few of the local tracks around here. It is also going to be street legal. Enough of the description of it as pictures do a better job. Enjoy!

Day one









Day two

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Old March 12th, 2015, 12:15 PM   #2
70 Bug Mid Engine
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I wish I had picture of the frame being built before I put it in, but the SD card the files were on decided to die. So I have nothing between taking the body off to this next picture. Kinda sucks but you will still get the point!





Miata Spindles are being used front and back





Test fitting the wide fenders. 5 inches wider up front and 6 inches wider in the back. Thank you Creative Car Craft for a good quality piece.



Nitto NT01 tires front and rear



Don't mind all the funky suspension geometry. It has been changed up since these pictures.

Last edited by 70 Bug Mid Engine; March 12th, 2015 at 12:18 PM.
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Old March 12th, 2015, 12:53 PM   #3
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Default Re: 1970 Mid Engine Bug

Neat! The frame and wide early fenders look really cool. For not having fancy tools, your project rocks. Heck, if you had fancy tools the car would rock. I'm not familiar with the Chevy powertrain. 'You going to run an automatic or a stick?
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Old March 12th, 2015, 01:07 PM   #4
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Thanks for the good words! Fancy tools in the future for the next build will include a plasma cutter, tube notcher, TIG welder, and tube bender. Big $ though... The transmission is a Getrag G23 5 speed manual.
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Old March 12th, 2015, 01:18 PM   #5
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Lets see. 350 hp, 1800 lbs. Are there stubby little wings I don't see? That's very cool that you're going with a 'stick! The linkage should be fun.
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Old March 12th, 2015, 01:51 PM   #6
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The stubby wings pop out with the push of a button! Shifter linkage is already done. It was super easy. You will see it after another 100 pictures or so. The car is completely taken apart right now cause I am painting the frame and finishing all the welding on the bottom. Getting close to the final assembly!
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Old March 12th, 2015, 02:59 PM   #7
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Default Re: 1970 Mid Engine Bug

Very glad you started to post the build thread. Bring on the pictures ! Looking very clean and should be a blast to drive.
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Old March 12th, 2015, 04:33 PM   #8
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Ride height will be a little higher then this



Brought it down to work for some underside welding



The belly of the beast!





Little baby Getrag G23



This is about where it is going to get mounted



Half the engine added



More of the mock up engine added

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Old March 13th, 2015, 12:35 PM   #9
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This should be wicked when finished.
Good job on what I can see so far!
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Old March 13th, 2015, 02:04 PM   #10
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Engine lined up to where it needs to be and mounts are on.









Double adjustable QA1 coilovers







Made this fancy little plate



More dash work







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Old March 13th, 2015, 02:18 PM   #11
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Moved back to the front of the car to add more bracing and paint





Moved on to the exhaust after that. Header first.















Now for the rest of the exhaust



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Old March 13th, 2015, 11:58 PM   #12
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Thanks for the good words guys. It has been quite a task to get it to its current point. This project has taken more hours then I can count. I have a lot of pictures to go before I get to its current state. I will try to get a decent portion up tomorrow. Hopefully soon enough we see it on the cover of a magazine! (thats my goal at least)

Last edited by 70 Bug Mid Engine; March 14th, 2015 at 12:00 AM.
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Old March 14th, 2015, 12:40 AM   #13
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Moving on! The floor has been cut and now being test fit.





Added another panel and some holes for the clutch and brake masters.



Pedals



Skipping ahead a little....



The start of the engine cover. I had this NSX engine cover laying around for about 8 years. Finally found a use for it!



I love me some carbon!



Set in place



Still can see the engine



Removable section for easy access





Boxing it all in











And time to take a break from working on the Bug...

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Old March 14th, 2015, 11:13 AM   #14
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Woof! I love your build.
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Old March 14th, 2015, 11:50 AM   #15
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I'll bet you will have more fun driving your car than you did driving the Berg Bomb !
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Old March 14th, 2015, 02:12 PM   #16
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Got some seats. Mounted them in. Then mounted the shifter. It is out of a Chevy Cobalt (same as the trans)







Testing out the shifting linkage





Now for some cooling. Radiator up front!



This is only my temporary hood. Cutting a hole in it.





Boxed in the radiator duct.





Adding some support





Still need to round the hood off. Going for more of a Super Beetle style nose



Made a grille



Fully boxed in



Tail lights are in. Flush mounted

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Old March 16th, 2015, 10:32 AM   #17
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Default Re: 1970 Mid Engine Bug

Way too cool...GM power in a VW Bug...doesnt get any better than that...

thanks for sharing...cant wait to see it driving....

All it needs is a roll cage and numbers on the doors...(in my mind at least)..

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Old March 16th, 2015, 01:56 PM   #18
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All it needs is a roll cage and numbers on the doors...(in my mind at least)..

MikeC
Magnetic #s and a cage coming soon! Hopefully this week.
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Old March 16th, 2015, 08:14 PM   #19
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Default Re: 1970 Mid Engine Bug

its starting to look like a movie car.
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Old March 17th, 2015, 10:40 AM   #20
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Default Re: 1970 Mid Engine Bug

Oh my gosh...

I am thinking you have built a few of these before???...the suspension design would have taken me all winter to figure out...cant wait to see it running around the local track...I love race cars a lot...

Are you the designer of the suspension on this bug??

thanks for sharing...

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Old March 17th, 2015, 01:14 PM   #21
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DrHax - not sure if that is a good or bad thing!

Mike C - This is my first build like this. I have done transmission cross members and motor mounts before but nothing to this extreme. Lets just say I have many hours in the design and more hours on a computer simulator making sure the geometry is correct. I have had to modify the suspension many times to make it as close to perfect as I can. The rear suspension was simple, the front sucked big time. Dealing with camber gain and bump steer is the worst.
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Old March 17th, 2015, 10:14 PM   #22
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DrHax - not sure if that is a good or bad thing!

Mike C - This is my first build like this. I have done transmission cross members and motor mounts before but nothing to this extreme. Lets just say I have many hours in the design and more hours on a computer simulator making sure the geometry is correct. I have had to modify the suspension many times to make it as close to perfect as I can. The rear suspension was simple, the front sucked big time. Dealing with camber gain and bump steer is the worst.
I don't know either A part of me loves it but a different part of me doesn't like it. I'm heavily torn! Still its impressive! Its better then I could do What colour are you planning on painting it?
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Old March 18th, 2015, 04:53 AM   #23
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Default Re: 1970 Mid Engine Bug

Wow... "Just happened to have an NSX engine cover laying around"...

Most of us are guilty of that... or something like it
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Old March 18th, 2015, 02:08 PM   #24
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DrHax - Wait until it is all done. There is still a lot of things that have been changed and still need to be changed. Might make your decision a bit easier! And if it helps, I didn't build the car around looks, I built it around performance. So most likely, there will be some ugly to it. As for final color, I have no idea. I am thinking just a nice simple white, but part of me want to do bright green and black. We will see when I get to that point.

Scottrod - As weird as it sounds, I really did have it laying around. One of my dads shops had it laying around and were cleaning shop. I was in the right place at the right time. I originally wanted to make a desk out of it but never did. I had no idea on how I was going to make an engine hatch that looked good until I saw the NSX cover out the corner of my eye. A little trimming and it all came together better then I thought.
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Old March 19th, 2015, 12:07 AM   #25
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Fantastic build!! Love to see the final result on this beast!
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