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12-29-18, 10:51 AM
Replies: 18
Views: 1,975
Posted By Aaron Cake

The Achilles heel of an FC are the 3 piece apex...

The Achilles heel of an FC are the 3 piece apex seals. Mazda built a time bomb into the engine. At some point, when the mileage is high enough, the top piece will roll out.

Oh, and the damn solder...
01-28-18, 09:52 AM
Replies: 1
Views: 494
Posted By Aaron Cake

No. The 4 lung knuckle fits fine, they were...

No.

The 4 lung knuckle fits fine, they were all the same.
01-13-18, 10:19 AM
Replies: 8
Views: 613
Posted By Aaron Cake

One thing worth mentioning is that you are in...

One thing worth mentioning is that you are in dangerous territory with the FCD and open exhaust.

If the FCD is functional, I suspect the cutting out is because the engine is running massively...
01-01-18, 10:09 AM
Replies: 686
Views: 114,308
Posted By Aaron Cake

Part 44: Tucking, Shaving & Smoothing (The Front Bumper) Part 2

A new year, a new bumper for my '76 Mazda Cosmo. So in part 44, I finish off the bumper modifications started in part 43. The smoothening continues with flush mounting the light lenses, then moves on...
12-27-17, 10:02 AM
Replies: 9
Views: 1,887
Posted By Aaron Cake

Low boost from what turbo? A HT-18 at 9 PSI makes...

Low boost from what turbo? A HT-18 at 9 PSI makes about 200HP. A GT40 at 9 PSI makes 350 HP.

Very roughly speaking, you need about 1200 CC of injector total per rotor to make about 250HP with some...
12-16-17, 10:39 AM
Replies: 10
Views: 794
Posted By Aaron Cake

Yes, radiator. The 3K startup is also...

Yes, radiator.

The 3K startup is also disabled if you start the car in gear, so it could be a bad neutral switch as well.
11-11-17, 10:21 AM
Replies: 1
Views: 384
Posted By Aaron Cake

Emissions system. Tells the "ECU" when to pump...

Emissions system. Tells the "ECU" when to pump air into the exhaust manifold, exhaust ports, vent, cut ignition, etc.

There is a pretty good explanation in the 1st gen FSM.

The Factory Service...
11-11-17, 10:05 AM
Replies: 5
Views: 1,125
Posted By Aaron Cake

Is there a reason you are going to run MS1 V3? ...

Is there a reason you are going to run MS1 V3?

I would really recommend MS2 on V3.5 if you aren't an electronics person. A little higher cost, yes, but the MS2 firmware is light years more capable...
08-19-17, 09:58 AM
Replies: 11
Views: 1,020
Posted By Aaron Cake

I have considered this again and again and again....

I have considered this again and again and again. Ran the numbers, planned out the design.

Problem is, who is going to buy them?

I could start producing a 100% bolt on NA turbo kit tomorrow...
08-19-17, 09:32 AM
Replies: 10
Views: 598
Posted By Aaron Cake

I'm not sure why "nothing about rebuilding a...

I'm not sure why "nothing about rebuilding a rotary can be cheap".

If the hard parts are in good shape, then it is a gasket and seal kit plus the labour. Assuming labour is free, about $1000 US. I...
Forum: Microtech
07-15-17, 10:23 AM
Replies: 17
Microtech injector staging
Views: 1,787
Posted By Aaron Cake

Basically, yes. It will be easy to compensate...

Basically, yes. It will be easy to compensate since it will just be a linear increase. Just decrease all the effected bins by a few ticks and see how it runs.

Honestly I'd just set it at 99% then...
07-15-17, 10:18 AM
Replies: 5
Views: 1,294
Posted By Aaron Cake

With your secondaries nearly twice as large as...

With your secondaries nearly twice as large as your primaries, there is always going to be a bit of fiddling necessary to get them right.

Looking at your stage table, they are being brought in...
07-15-17, 10:07 AM
Replies: 2
Views: 391
Posted By Aaron Cake

There is a big battery ground from the negative...

There is a big battery ground from the negative of the battery to the frame rail where the shock tower meets the frame.

Also check your battery terminals.

Check battery voltage.

Is your...
07-02-17, 09:55 AM
Replies: 9
Views: 575
Posted By Aaron Cake

I'm fairly certain the car they used to jig it up...

I'm fairly certain the car they used to jig it up had solid mounts (engine thus lower) and no hood insulation.

I have one on my car and didn't have any fan clearance issues due to using an e-fan....
05-25-17, 09:44 AM
Replies: 5
Views: 714
Posted By Aaron Cake

Unless you are leaking between the iron and...

Unless you are leaking between the iron and housing, based on the area described, it can really only be those coolant lines. What you might have to do is perform a cooling system pressure test so...
04-22-17, 10:56 AM
Replies: 7
Views: 467
Posted By Aaron Cake

Have you checked for vacuum leaks? Unplugged...

Have you checked for vacuum leaks?

Unplugged AFM?

Big hole on the tube from the AFM to the engine?
06-18-16, 10:39 AM
Replies: 1
Views: 219
Posted By Aaron Cake

I interpret this to mean that you can spin the...

I interpret this to mean that you can spin the engine by hand, but it will not crank with the starter.

You will find the starter on the left side of the engine at the bottom rear, mounted to the...
03-15-11, 06:30 PM
Replies: 32
Views: 20,781
Posted By Aaron Cake

I wouldn't say that the Atkins video, or any of...

I wouldn't say that the Atkins video, or any of the vendor rebuild videos are at all a waste of money. After all, you get a physical DVD that you can pop in anytime for reference. Do they have less...
03-12-11, 02:42 PM
Replies: 41
Views: 16,369
Posted By Aaron Cake

(Engine) Video: 13B Rotary Engine Rebuild

As part of my '76 Cosmo (https://www.rx7club.com/showthread.php?t=923443) project, I just built a 6 port 13B NA engine and posted the entire process to YouTube. I then realized that the video applies...
08-03-08, 10:08 AM
Replies: 12
Views: 2,305
Posted By Aaron Cake

If that's your thing, then by all means build...

If that's your thing, then by all means build your cars like that.

Personally though, I prefer a car that's not broken. This means that it starts first try, idles cold, maintains a reasonable idle...
07-04-08, 01:41 PM
Replies: 33
Views: 6,693
Posted By Aaron Cake

It's not surprising you are blowing up engines if...

It's not surprising you are blowing up engines if you are tuning for 10.5 with such little timing. That's just going to create misfires, which is going to make massive chamber pressure the next...
Showing results 1 to 21 of 21


 
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