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Locost 7 rebuild/MX-5 swap

18957 Views 177 Replies 31 Participants Last post by  Rx7 Vinnie
9
Ok i bought the The Locost (Lotus 7 replica) last year With the intentions to eventually throw another drivetrain in it because i dont really like what it has.
Im allmost embarrassed :oops: to tell ppl what kinda motor is in it ha.
But it has a 1.9 Saturn engine w/ getto rigged Carburetor, mounted to a Toyota AUTO tranny. The car is still a blast to drive & i have a alot of fun in it but its a bet slow & the auto kills the experience.








But before we can get to the Locost We got to Strip the Miata. I picked it up last dec in Kingsport tn, The body is in very bad shape but it runs good & came with a 6speed & a Hard Dog Rollbar. Allso my g/f has a Miata so there are peaces here & there she can use.







we started stripping her last night & got alot done.


This is what a miata on the floor looks like




Hoping to strip ;-) some more later ......to be continued
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I'm a federal employee I'm not getting paid. Only active duty is still getting paid.
That sucks.....
Sucks you're on furlough, this stuff sucks no matter if you're a government employee not getting paid or not.
2
Got some more work done today.


The engine mounts are only spot welded in untill i drop the engine back in to make sure All my measurements were right. I couldn't do it by my self because my hoist is giving out on me & wont stay up, so you got to constantly jack it up.




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6
Holly shit the engine & tranny is bolted in.




...& then we pulled it back out again to finish the tunnel & shelf. We got alot done today .




There is still a few small things to weld up & still need to weld in a floor.
I allso need to clean it up so i can paint the frame.
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Thanks.

OOOPs lol


more work getting done today.
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5
We welded in the floor today so now i have some where to put my feet




This is how much leg room we gained. not bad.


& the Bad news, the car caught on fire again & ruined my trunk cover & seat belt, it was a ugly color anyway.


Now that we can get a better judge on the pedal placement its just not gunna work.
So im just going to buy some floor mounted pedals witch i should of done in the first place. It will be alot cleaner going that route i think.

Well i get to go back to work tomorrow so less updates again.

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3
havnt updated this in a min. Oct is allways a very busy month.
Yesterday i made templants for all tunnel & firewall sheet-metal.



Today we took them to work & cut it all out.


Some of the peices we got to take back & trim a lil
Allso yesterday we moved the ebrake about a inch & a half back
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8
Holy crap its been along time since ive updated this.
Its warmed up a lil so i dont mine playing in the garage.

So i started drilling out all the holes & started riveting on all firewall & transmission tunnel panels. Allso Made some straps to mount the pedals & installed them temporarily. So far everything is coming together pretty nicely.
But the Brake pedal is going to have to be cut down a good bit because it sits up way to high.
I primmered all the panels & installed the rivets wet (with rtv) to help prevent rust later because of the two dissimilar metals.





.
The gas pedal is just hanging there. Im gunna have to cut it down a lil as well & make a plate to bolt for it to bolt on to.
Alllso you might notice that the driver side inner transmission panel is on the inside of the tunnel. I did that to give me a just a lil bit extra room for my feet. every inch counts.( thats what she said)




.
all the top panels are just sitting there & not screwed or riveted in yet.



Hopefully the next update doesnt take as long ha.
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Looking good dude.

Sent from my SAMSUNG-SGH-I337 using Tapatalk
Warm weather is coming, better get this thing done. Pretty neat little project.
yeah i know. thats my motivation right now.
I really miss driving it.
Dropped the motor back in. Man is it a tight fit!
But its in there.
We needed to drop it in to figure out where we are going to route the rear brake & fuel lines.

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6
Got some more work done today.
Made & ran all new brake lines, trying to figure out all the right sizes kinda sucked.
Haven't clamped them down yet cause im gonna do that after paint.



Allso Ordered a sec seat,


Drilled the hole for the throttle cable, & currently trying to figure out how we are gunna get it to work at the position it is in. So yet another puzzle.


A few post ago i said the engine was a pretty tight fit. so Tight that we had to cut a big chunk out of the frame to make room, Allso that transmission isnt vibrating against it.
So we had the add another bar to help strengthen it back up a lil



It seems like at everystep there is a new hurdle to jump over.

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7
Well did some more work the past few days.
I pulled everything back out of the car, cleaned it up real good & painted everything black.


We had to hack up my mx5 gas pedal pretty good to get it were i needed it... its ugly but it works.


Had to get a lil creative with mounting the gas pedal assy. had to add a brace & some pretty big spacers. but im happy with it.



Started clamping all the brake & fuel lines down. Its gunna be a tight fit in the tunnel. I still have to run a fuel return & wiring down it.


Allso chopped my brake pedal down because it was way to tall, now i need to have it welded up.

I wanted to drop the engine & tranny back in but i didnt have a extra hand.
once its in i can start working on the wiring fun fun.
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I can come by after work tomorrow and give you a hand dropping it in.
3
Had mr Jankanshank weld up my pedal because he's awesome.
now instead of Wilwood it just says Wood on thee side of the pedal lol
I meant to clean it up & paint it before butting it back in, but i forgot.


Then mr FNEG came over & helped me drop in the engine & tranny. bolting down the tranny is a bugger.


Today i took off work started working on my plumbing.
dropped in the old ugly heavy radiator & ran the bottom hose & looped the heater core ports.
I had to order a coolant filler neck coupler thingy so i have away to fell the system since the radi doesnt have one.


Allso ran the fuel return line, im just going with rubber hose all the way back.
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4
Now another issue i ran into is the Turbo mani i ordered is facing the wrong direction.
looking at it you would think it would but i was wrong. Now if i was to loop the exhaust down i would run inot my steering linkage, & i really didnt want to cut the flang off & reweld it so i went the easy way & just drill new holes.


Not gunna lie its pretty freaking ugly since i used the plasma cutter to notch it out.
it would of taken me a few days & 100 drill bits to drill them all out ha.
I plan on cleaning it up a lil.


It works, but took me a good while to do.
Allso threw the lights back on.

Now still need to work on wiring & chop the driveshaft.
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