Optima Mid Modern Race Build

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RichieRich
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Re: Optima Mid Old is New

Post by RichieRich »

Lonestar wrote:JAke you're my hero :) By the way if you sell these shafts, I can guarantee you there'll be a few buyers ;)

paul

PS: The "loosened" front diff "trick" absolutely cracked me up :lol:
I'm thinking the same thing. B4 parts are plentiful and Mid Spurs and clutchpacks are getting expensive and rare. I'd totally buy one.
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Re: Optima Mid Old is New

Post by USA-1 »

What's the major difference from the reg mid to the turbo I picked one up and all the chassis screws were countersunk does that make it a turbo version?

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Re: Optima Mid Old is New

Post by j0pp3 »

USA-1 wrote:What's the major difference from the reg mid to the turbo I picked one up and all the chassis screws were countersunk does that make it a turbo version?
Here you go! I compared all three SWB models and here are the differences:

Kyosho Optima Mid
- - - - - - - - - - - - - - - - - -
OT-28/OT-5/SG-25 Gear differentials
W-5001/W-5002 Gold shocks
OT-94 Shock Stay
OT-6 Dogbones Front
OT-90 Wheel
OT-91 Chassis
OT-96 Rear Plate (L)
OT-35 Upper Rod Set
SC-89 Tie Rod


Kyosho Turbo Optima Mid
- - - - - - - - - - - - - - - - - -
OT-28/OT-5/SG-25 Gear differentials
W-5001/W-5002 Gold shocks
OTW-2 Special Shock Stay
W-5061 Universal Swing Shaft
OT-90 Wheel
OTW-1 Stabilizer Set
OTW-3 Special chassis
OT-110 Rear Plate (L)
W-5005 Special Rod Set


Kyosho Turbo Optima Mid SE
- - - - - - - - - - - - - - - - - -
W-0107/W-0108 Ball differentials
W-5003/W-5004 Platina shocks
OTW-2 Special Shock Stay
W-5061 Universal Swing Shaft
OT-113 Wheel (silver)
OTW-1 Stabilizer Set
OTW-3 Special chassis
OT-114 Rear Plate (L)
OT-35 Upper Rod Set
SC-89 Tie Rod
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Joel

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Re: Optima Mid Old is New

Post by USA-1 »

Ok Thanks, mine had dogbones up front universal axles in the rear, set of adjustable turnbuckle for rear only. I guess it might be the Turbo.

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Re: Optima Mid Old is New

Post by j0pp3 »

USA-1 wrote:Ok Thanks, mine had dogbones up front universal axles in the rear, set of adjustable turnbuckle for rear only. I guess it might be the Turbo.
If the chassis is anodized (brown-ish) and the shock towers are made of dark fiber material (see pic below) then it's probably a Turbo Optima Mid. Also check the material and form of the Rear Plate (L) because that part differs between all three SWB models.

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Re: Optima Mid Old is New

Post by Seabass »

I got my LWB belt in and have started getting the car back together. I was wondering how to go about covering up the B4 slipper when the thought crossed about using a B4 gear cover. I checked the fit and realized only one new hole needed to be drilled. The cover works perfect. I won't how it will interfere with the body until I get my new body in. I hope it works out becuase it looks like it belongs on the transmission.

This is an RPM cover but I am sure the standard B4 cover will work just as well.

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Re: Optima Mid Old is New

Post by j0pp3 »

That's really good news bigjeepzz!

I may do the same later on.

/j0pp3
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Re: Optima Mid Old is New

Post by adam lancia »

I've had one of these cars for over 20 years and never thought of that, thanks Jake!

It looks like he mounted the cover through the bottom screw and trace drilled the upper one.

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Re: Optima Mid Old is New

Post by j0pp3 »

adam lancia wrote:I've had one of these cars for over 20 years and never thought of that, thanks Jake!

It looks like he mounted the cover through the bottom screw and trace drilled the upper one.
Thanks for clearing that out. I changed my post before I read yours :)
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Re: Optima Mid Old is New

Post by Seabass »

Yes that is exactly how it was done. The use the existing bottom hole then redrill a new top hole. I am definately happy with this cover and how it fits. Let's hope it doesn't interfere with the body too much. If it does, I may change it.

Jake

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Re: Optima Mid Old is New

Post by Seabass »

Well I ran into a slight problem with the gear cover. It is too large to allow the shocks to mount in the front of the rear shock tower as in the manual. This isn't going to be that big of a deal because my arms will allow the rear shocks to be mounted on the back side of the shock tower providing enough room for travel. It will be a week before i can get pictures of exactly what I am talking about.

Jake

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Re: Optima Mid Old is New

Post by EvolutionRevolution »

You can also attach the lower shock eye to the rear uprights.

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Re: Optima Mid Old is New

Post by slow_jun »

will the shaft you are making fit the one for lazer ZX? hope it does coz i have one in need of a new slipper, and arms, those arms looks sexy....... surely this thread will spark it...
“It is more shameful to distrust our friends than to be deceived by them.”
― Confucius

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Re: Optima Mid Old is New

Post by Seabass »

I just finished up the drawings for the arms I plan to use. I used some vintage Lazer ZX arms (Thanks to Aaron) and took the basic measurements from them to create these. I may change the fronts but overall I am happy with how they will turn out. Hopefully I can get to the machine shop to run them in the next two weeks. I will probably run extra sets of these too :wink:

Jake

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Re: Optima Mid Old is New

Post by EvolutionRevolution »

No holes to mount shocks, hinge pins, etc.? :P

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