Japi's FC T2 Convertible

Started by re japi, July 02, 2018, 02:00:53 PM

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re japi

Well, went for a drive today. Was really crap. She wouldnt behave, maps were way off. I reckon I have air leak at down pipe, cause logging says that lambda was all over the place...

However, some good points with this test. Found a new oil leak and repaired it. Car isnt that loud. Clutch, even tho its "Stage 4", isnt that heavy. Ride is quite good, even tho car is really really low.

But I have to modify my whole exhaust. Its hitting on the tarmac all the time. It just hangs too low. Also car is way too low, and I have to raise it.

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Power is nothing without control. Weight is enemy of performance, handling and braking.

http://s1293.photobucket.com/user/japi_laukkanen/library/Japi?sort=3&page=1

Eccentric shaft

Don't raise it too much!  ;)
Hmmmmmm over braps

Casey

 :)) :)) :))

Good height for deep snow maybe  ;)
RX-8 230 Bridgeported: Racing Brake Disks & 4 pot front calipers,Full Racing Beat (RB) SS Exhaust system,RB ARB's F & R,RB REVI intake,Tein MonoFlex Coilovers & front strut brace.
RX-7, KIMI 1, 1st Gen S2, Silver,1983 - SORN
RX-7, KIMI 2,^^Ditto - now sold
RX-7, KIMI 3, 1st Gen S3, Red,1984

re japi

Actually, today I was cursing that cars ride hight at our WhatsAp group, so few dudes suggested thatvI should put this car on B2600 pickups chassis

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Power is nothing without control. Weight is enemy of performance, handling and braking.

http://s1293.photobucket.com/user/japi_laukkanen/library/Japi?sort=3&page=1

re japi

Have done little jobs to Vert.

I had to raise it about 2 cm. Now belly wont hit everything.

Cooler piping modified. Much better position now.

Downpipe welded. Now it wont leak so much.

Some little leaks still.

Chinese exhaust wrapping is crap. Still burns after run

Yesterday I drove about 12 km. Car starts to feel quite good. Fuel maps are difficult and still gives me headegg. But I set fueling to closed loop, which means that basically its in adaptive mode and learns. Mades corrections to fuel map via lambda.

At this point, I dont have so much low torque that I would like to have. But not too bad, and I reckon that fuel mapping will give me more. But car is actually quite easy to cruise at below 3000rpm

Now, Im just making little changes to mapping. Engine hasnt revved over 4000rpm yet. But I can hear my turbo whistle allready. I had 0,1 bar boost

Lähetetty minun G8141 laitteesta Tapatalkilla

Power is nothing without control. Weight is enemy of performance, handling and braking.

http://s1293.photobucket.com/user/japi_laukkanen/library/Japi?sort=3&page=1

Mr Spiller

Quote from: re japi on June 06, 2021, 06:06:57 AM
Have done little jobs to Vert.

I had to raise it about 2 cm. Now belly wont hit everything.

Cooler piping modified. Much better position now.

Downpipe welded. Now it wont leak so much.

Some little leaks still.

Chinese exhaust wrapping is crap. Still burns after run

Yesterday I drove about 12 km. Car starts to feel quite good. Fuel maps are difficult and still gives me headegg. But I set fueling to closed loop, which means that basically its in adaptive mode and learns. Mades corrections to fuel map via lambda.

At this point, I dont have so much low torque that I would like to have. But not too bad, and I reckon that fuel mapping will give me more. But car is actually quite easy to cruise at below 3000rpm

Now, Im just making little changes to mapping. Engine hasnt revved over 4000rpm yet. But I can hear my turbo whistle allready. I had 0,1 bar boost

Lähetetty minun G8141 laitteesta Tapatalkilla
Is that photo after it's been lifted ?
Good news it's running steady


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Jamie R

Ah progress !

well done jarno.

Get back on it, keep the motivation going


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The Rotus...
... coming soon to the family.... the Rotang

re japi

Yes, this is after lift previous setup was soooooo low as seen in this pic

Lähetetty minun G8141 laitteesta Tapatalkilla

Power is nothing without control. Weight is enemy of performance, handling and braking.

http://s1293.photobucket.com/user/japi_laukkanen/library/Japi?sort=3&page=1

re japi

At this point, Im actually quite happy how she runs. Ofcourse there is much work to be done. But even cold start is quite good and easy already.

Now, plan is to slowly run base maps with adaptive mode. Get a good base tune for cruising. Then we will just make little changes. Lets go from there then

Lähetetty minun G8141 laitteesta Tapatalkilla

Power is nothing without control. Weight is enemy of performance, handling and braking.

http://s1293.photobucket.com/user/japi_laukkanen/library/Japi?sort=3&page=1

re japi

Quote from: Jamie R on June 06, 2021, 09:54:03 AM
Ah progress !

well done jarno.

Get back on it, keep the motivation going


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Yes, some good progress.

Even tho clutch is hard, it isnt that bad to cruise.

Engine has quite good low torque even tho its quite race ported.

Exhaust isnt that loud at cruising speeds

Suspension is a bit rough, but I reckon I can change that with softer springs

Only bad thing is that fuel pumps are so loud! Just behind seat, and no interior at the moment

Lähetetty minun G8141 laitteesta Tapatalkilla

Power is nothing without control. Weight is enemy of performance, handling and braking.

http://s1293.photobucket.com/user/japi_laukkanen/library/Japi?sort=3&page=1

Mr Spiller

Quote from: re japi on June 06, 2021, 09:54:35 AM
Yes, this is after lift previous setup was soooooo low as seen in this pic

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Yeah that's really low
Looks nice lifted up


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re japi

Quote from: Mr Spiller on June 06, 2021, 10:02:21 AM
Quote from: re japi on June 06, 2021, 09:54:35 AM
Yes, this is after lift previous setup was soooooo low as seen in this pic

Lähetetty minun G8141 laitteesta Tapatalkilla
Yeah that's really low
Looks nice lifted up


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First time I reversed it out from garage, belly hitted garage doors frame and exhaust fell off

And you cant imagine how bad our roads are

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Power is nothing without control. Weight is enemy of performance, handling and braking.

http://s1293.photobucket.com/user/japi_laukkanen/library/Japi?sort=3&page=1

MattScott

Quote from: Mr Spiller on June 06, 2021, 10:02:21 AM
Quote from: re japi on June 06, 2021, 09:54:35 AM
Yes, this is after lift previous setup was soooooo low as seen in this pic

Lähetetty minun G8141 laitteesta Tapatalkilla
Yeah that's really low
Looks nice lifted up


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Looking good Jamo. Weather looks like its improved too so easier to work on her outside. Glad things are starting to get sorted and with that little extra ride height less likely to pull stuff off from your undercarriage

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RX-7, FD S2, JDM, White, 1994

re japi

Quote from: MattScott on June 06, 2021, 10:36:20 AM
Quote from: Mr Spiller on June 06, 2021, 10:02:21 AM
Quote from: re japi on June 06, 2021, 09:54:35 AM
Yes, this is after lift previous setup was soooooo low as seen in this pic

Lähetetty minun G8141 laitteesta Tapatalkilla
Yeah that's really low
Looks nice lifted up


Sent from my iPhone using Tapatalk
Looking good Jamo. Weather looks like its improved too so easier to work on her outside. Glad things are starting to get sorted and with that little extra ride height less likely to pull stuff off from your undercarriage

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Exatly mate, exatly massive bill due lost muflers

Yeah, my garage is full of crap, so I hate to work there. Now, weather is nice, about 25 C

Lähetetty minun G8141 laitteesta Tapatalkilla

Power is nothing without control. Weight is enemy of performance, handling and braking.

http://s1293.photobucket.com/user/japi_laukkanen/library/Japi?sort=3&page=1

re japi

For a first time after 2 and half years, top was dropped. And it felt soooo good. Damn I love this car! Even tho I raped it... Turbo sounds so awesome when roof is down.

So, I reckon that closed loop has done its job. Engine is starting to feel ok now. Only bad thing is that when throttle is lift off, and engine goes to idle, it drop idle so low that it wants to die. I have to keep it running by just tapping throttle. I cant figure out why it does that.

Oil leaks from turbo is causing my exhaust wraps to smoke alot still. But oil leaks are fixed now.

Even now downpipe is SO HOT that I have to figure out something to that area, with exhaust wraps, cause it so near to intake manifold

So, plan today is to get some miles. Ill let closed loop to make maps to 4000-5000 area. After that, its humans job.

However, makes me think that should I raise boost now, just abit, and let closed loop play with that?

All my friends are yelling at my that I have to raise the boost and get her in dyno. Afterall this will be most powerfull Vert in Finland. But, Ill take my time. I want to make sure that she is ready

Lähetetty minun G8141 laitteesta Tapatalkilla
Power is nothing without control. Weight is enemy of performance, handling and braking.

http://s1293.photobucket.com/user/japi_laukkanen/library/Japi?sort=3&page=1