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Learning how to build Lotus Seven replicas...together!
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PostPosted: Sat Oct 20, 2007 12:18 am 
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Location: Vail, AZ
I bought GatoEnFuego's project back in July and figured I should start a build log with my progress so far.


See this thread for his work.

http://locostusa.com/forums/viewtopic.php?t=1276


I've been reading just about every thread in this forum trying to learn as much as I can. I've changed a few things from his design, but he gave me a solid foundation to work with.

Some of the work so far. Trying to keep it simple and lightweight, will be mostly for autocross and track days, and eventually street legal.


Attachments:
File comment: Upper view of arms.
front suspension1.JPG
front suspension1.JPG [ 111 KiB | Viewed 3327 times ]
File comment: Wilwood rack, very quick ratio.
front susp2.JPG
front susp2.JPG [ 109.06 KiB | Viewed 3327 times ]
File comment: MII spindles, Speedway balljoint/uppers, QA1 shocks.
front susp.JPG
front susp.JPG [ 91.86 KiB | Viewed 3325 times ]

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"Auto racing, bull fighting, and mountain climbing are the only real sports. . . all others are games." --- Ernest Miller Hemingway


Last edited by Howlin Mad on Mon Jul 13, 2015 11:35 am, edited 1 time in total.
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PostPosted: Sat Oct 20, 2007 1:00 am 
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Location: Vail, AZ
Some more pictures. I sold off the 7.5" Ford rear end and scrounged a Dana 35 with limited slip from a Wrangler. It has the same 5 lug bolt pattern as Ford and will match the new front discs. You can get just about any ratio, this one had 3.54s, but I found some 4.10s. The Jeep guys practially give these things away, and should be plenty strong enough for this application. It has 10.25" drums, anyone know if 13" wheels will fit?


Attachments:
File comment: Can you say bumpsteer? I hope not.
Tie rod.JPG
Tie rod.JPG [ 232.09 KiB | Viewed 3322 times ]
File comment: Now I need tires.
side2.JPG
side2.JPG [ 251.83 KiB | Viewed 3323 times ]
File comment: Ebay 16x7 Mustang wheels, $200 delivered.
side1.JPG
side1.JPG [ 240.3 KiB | Viewed 3321 times ]

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"Auto racing, bull fighting, and mountain climbing are the only real sports. . . all others are games." --- Ernest Miller Hemingway
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PostPosted: Sat Oct 20, 2007 3:40 am 
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Lookin very good!


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PostPosted: Sat Oct 20, 2007 5:03 am 
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Nice so far......


and stickied

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PostPosted: Sat Oct 20, 2007 6:24 am 
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Any reason for the swap from the 7.5 to a Dana 35 with the accessibility of disc's and other mustang parts for the 7.5? Kinda thought they are similar in power limitations too. Asking as i am using a 7.5 out of a 2k mustang.


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PostPosted: Sat Oct 20, 2007 1:18 pm 
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Location: Edmonton, Alberta
Egads man, could you spread some dirt around on your floor? You're making us all look bad...

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Scratch built book frame with an 83 Celica donor 22RE. SHE'S A ROLLER!!!


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PostPosted: Sat Oct 20, 2007 1:53 pm 
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Location: Charleston, WV
mookie wrote:
Egads man, could you spread some dirt around on your floor? You're making us all look bad...


I was just thinking the exact same thing. That place is spooky -I'm afraid to touch anything- clean. :shock:

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PostPosted: Sat Oct 20, 2007 10:57 pm 
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Location: Vail, AZ
Thanks guys. The pictures are deceiving, garage is not that clean. I epoxied the floor and tried to pick a color the same as the dirt around here. I live on a dirt road, so I sweep just about every day.

As for the rear end, the 7.5 center section was big and heavy and had the suspension mounts on top, would have had to cut them off. The 7.5 had 10.5" discs and was 62" WMS-WMS. I would have had to have really radical offset wheels or really wide fenders.

The Dana 35 is 60" WMS-WMS with smaller diameter drums and axle tubes. I need 13" wheels for autocrossing, although the Mustang wheels I have fit perfect and will be for street use. The drums have huge shoes, over 2.5" wide, should have plenty of stopping power. Besides, I'm a Jeep guy, so I need at least one Jeep part.

Pictures of the Mumford link I'm building. I decided on a removable mounting bracket so I can still work on the rear end if needed. Has six 5/16" AN bolts holding it in. Side to side fit is very tight.


Attachments:
File comment: Mumford linkage in work.
mumford1.JPG
mumford1.JPG [ 107.98 KiB | Viewed 3253 times ]
File comment: Closeup.
mumford2.JPG
mumford2.JPG [ 100.95 KiB | Viewed 3252 times ]
File comment: Rear view.
mumford3.JPG
mumford3.JPG [ 101.4 KiB | Viewed 3253 times ]
File comment: Pretty close.
mumford4.JPG
mumford4.JPG [ 111.39 KiB | Viewed 3254 times ]
File comment: Removable mount bracket, not finished.
mumford5.JPG
mumford5.JPG [ 122.4 KiB | Viewed 3252 times ]

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"Auto racing, bull fighting, and mountain climbing are the only real sports. . . all others are games." --- Ernest Miller Hemingway
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PostPosted: Wed Nov 14, 2007 12:47 am 
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Joined: Wed Jul 11, 2007 10:27 pm
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Location: Vail, AZ
Got some more work done and shot a few pictures.

I put the rear suspension all together to make sure everything worked then finished up the welding on the axle and mumford parts. Put it all together again for the pictures.


Attachments:
rear detail.JPG
rear detail.JPG [ 72.36 KiB | Viewed 3118 times ]
left rear.JPG
left rear.JPG [ 76.03 KiB | Viewed 3118 times ]
left rear2.JPG
left rear2.JPG [ 80.66 KiB | Viewed 3119 times ]
right rear.JPG
right rear.JPG [ 71.14 KiB | Viewed 3118 times ]
rear.JPG
rear.JPG [ 78.77 KiB | Viewed 3118 times ]
File comment: Full up on the right, full down on the left.
deflection.JPG
deflection.JPG [ 77.26 KiB | Viewed 3119 times ]

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"Auto racing, bull fighting, and mountain climbing are the only real sports. . . all others are games." --- Ernest Miller Hemingway
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PostPosted: Wed Nov 14, 2007 12:56 am 
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Joined: Wed Jul 11, 2007 10:27 pm
Posts: 37
Location: Vail, AZ
Scored a Butlerbuilt seat at the car show/swap meet a couple weeks ago for $25. Even has a homemade mount attached.

I need to find a match now. Of course even if I have to buy a new one l'm way ahead.

I don't like the headrest though, sticks up too high, so I plan on cutting it off just above the chassis.


Attachments:
seat.JPG
seat.JPG [ 84.52 KiB | Viewed 3117 times ]
seat2.JPG
seat2.JPG [ 87.78 KiB | Viewed 3116 times ]

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"Auto racing, bull fighting, and mountain climbing are the only real sports. . . all others are games." --- Ernest Miller Hemingway
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PostPosted: Wed Nov 14, 2007 12:53 pm 
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Joined: Sun Jan 07, 2007 3:24 pm
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Location: Visalia, Ca
Looks really good! Its nice to see the the build coming back to life. I like the removable mumford.

Rod

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PostPosted: Wed Nov 14, 2007 12:54 pm 
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Fantastic pictures!!!

Thank you very much for sharing!


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PostPosted: Tue Dec 04, 2007 11:02 pm 
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Joined: Wed Jul 11, 2007 10:27 pm
Posts: 37
Location: Vail, AZ
Too much real life going on, so not much progress lately.

I did score another seat at the Good Guys show in Phoenix. Kirkey this time, 16" for $40. Doesn't match the other one which is a Butlerbuilt 17.5", but after I cut them down and make covers, no one will know. I used the Kirkey for the driver side 'cause I'm skinny.

For the mount I used the sliders from the RX-7 donor seats. Worked out fantastic, two 'C' brackets, two spacers, two pieces of 1" tubing, and some nuts and bolts. All I did was bend the factory mounts down to 90 degrees and enlarge the upper rear mount holes to 1/4".

So far a grand total of $65 in seat costs. :D


Attachments:
File comment: almost like I knew what I was doing
seat rails 1.JPG
seat rails 1.JPG [ 80.19 KiB | Viewed 2916 times ]
File comment: hardest part was getting rails parallel
seat rails 2.JPG
seat rails 2.JPG [ 68.93 KiB | Viewed 2916 times ]
File comment: still needs final fitting and welding
seat mount front.JPG
seat mount front.JPG [ 96.08 KiB | Viewed 2913 times ]
File comment: lots of fore/aft travel
seat mount rear.JPG
seat mount rear.JPG [ 103.38 KiB | Viewed 2913 times ]

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"Auto racing, bull fighting, and mountain climbing are the only real sports. . . all others are games." --- Ernest Miller Hemingway
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PostPosted: Tue Dec 04, 2007 11:16 pm 
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Joined: Mon Aug 15, 2005 10:13 pm
Posts: 7048
Location: Charleston, WV
Very nicely done with the seats.

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He is a wise man who does not grieve for the things which he has not, but rejoices for those which he has.


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PostPosted: Mon Jul 13, 2015 1:37 am 
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Joined: Wed Jul 11, 2007 10:27 pm
Posts: 37
Location: Vail, AZ
Time to bring this thread back from the dead.

I was stuck at mounting my rotary engine and was not really excited about it anymore, lots of potential issues, and not many solutions.

Saw this article in Grassroots Motorsports, https://grassrootsmotorsports.com/articles/tamed-monster/, and I was intrigued. I realized an RX-7 transmission (I have three of them) is basically only a bellhousing away from a Miata transmission.

After the OCD kicked in and a couple months of research, I began the Craigslist Quest.

First acquisition:

2000 Acura TL J32A1 complete engine, alternator, P/S pump, wiring harness, computer, fuse blocks, even the steering column and key. Under 100K miles.

Attachment:
00l0l_6J6dXndKbdD_600x450.jpg
00l0l_6J6dXndKbdD_600x450.jpg [ 31.09 KiB | Viewed 252 times ]

Attachment:
00N0N_m8DB4db2Bg_600x450.jpg
00N0N_m8DB4db2Bg_600x450.jpg [ 27.38 KiB | Viewed 252 times ]

Attachment:
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01515_iky234rCQBz_600x450.jpg [ 45.38 KiB | Viewed 252 times ]



Learning that the 5 speed transmissions start to grenade above 200 ft.lbs. of torque, decided to go all in.

Second acquisition:

2000 Miata 6 speed, 104K miles, got it cheap due to someone drilling a hole in the bottom of the bellhousing for some unknown reason. I will be cutting a chunk out of the bottom for starter clearance anyway, so not a problem.

Attachment:
00X0X_1qQB7EVLRgy_600x450.jpg
00X0X_1qQB7EVLRgy_600x450.jpg [ 23.99 KiB | Viewed 252 times ]

Attachment:
00W0W_euUhSgfCsn2_600x450.jpg
00W0W_euUhSgfCsn2_600x450.jpg [ 29.82 KiB | Viewed 252 times ]


Talked to Benjamin at Super Fast Minis/Miatas and ordered the adapter plate, flywheel adapter and bolts and a flywheel. Won't get those parts for a week or so.

Anyone need a 12A, two 13B's and three transmissions?

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"Auto racing, bull fighting, and mountain climbing are the only real sports. . . all others are games." --- Ernest Miller Hemingway


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