KingSpence

I'm new to rotaries, I've got 200kms on the car. It's a 1982 rx7 GX with a carb'd 12a. 219,000kms. I was driving the car home from the car wash the other night, the car has been running great when out of nowhere as I was slowing down for a light I lost almost all my power and it sounds like it's running on one rotor. Water much have got into something, no big deal right. The car sits for two days in a heated garage, no change.

The car has NO POWER. I'm riding the clutch to go from a stop, I'm sitting at 4.5k on the tach to keep it moving down the road. It's not blowing blue, it's pretty clean actually but its burn-your-eyes rich.

Before it never blew blue or white smoke, the exhaust didn't backfire but definitely popped when sitting in the mid rpm's coasting. I think that's somewhat normal though.

New items:

-cap
-rotor
-wires
-plugs
-fuel filter
-rad
-coils

-plugs look good, L2 is pretty black and ever so slightly damp on one of the electrodes.
-Cap and rotor are dry.
-Compression showed good, quick, ryhmic spikes to 95psi on both rotors, so that's good.

The car fires up in -15c, but has an extremely hard time idling and it seems to have gotten worse. It used to idle fine but would almost sputter and die then rev up, ryhmicly.

I two vacuum leaks. The grey solenoid (I bypassed) and I didn't have a vac hose on a vacuum advance on the dizzy. I found the wire tucked in neatly under everything else, I had to search to find it. With that connected the car runs a bit better, but no power still. If I let it sit at 1000rpm and WOT with the clutch in it screams to 6000rpm (didn't need to go any higher) but on the down-rev when I WOT it stuggles to get back up to redline. Took it for a drive around the block, no power.

I'm so lost at this point. Does it sound carb related? Mechanically related? At this point all I have left is to remove the entire vacuum system "rats nest" and hope that helps.


Here's a video. This was before I bypassed the grey vac solenoid and hooked up the vac advance. It doesn't backfire nearly as bad now. The video shows just how hard it is to bring the revs up.

misterstyx69

iTrader: (142)

Your Video link was removed as it is set to "private".
If you care to post with a working link that may help you.
I cleaned up your original post so you could do that.
STYX (MOD)

KingSpence

This should be the working link. I guess when I upload videos to YouTube from my phone it's saved as private. I apologize for my grade nine par grammar in the original post, but I'm unable to edit it.

diabolical1

iTrader: (3)

welcome to the board.

have you recently changed the fuel pump? also, they don't go bad very often, but do you have access to another distributor that you could maybe swap in to check if yours is okay?

misterstyx69

iTrader: (142)

Take a hair dryer to every electrical connection you have.
You put the car in a Car wash and I've seen and heard nothing but horror stories about "it wouldn't run right afterwards".
I may be Old fashioned but I Bucket and rag my car.

KingSpence

I changed the fuel filter. When I pulled the line off the pump side of the tank it rushed out almost like the tank was siphoning itself. By the time I got the line off and the new filter on I had to have lost an easy 1.5L of gas.

Still no difference. It has NO POWER. I can hardly get it up my driveway, but sometimes It'll still scream to redline when I rev it from 1000rpm.


Carb related maybe?

prophetjohn

iTrader: (1)

sounds a lot like mine did when i lost compression in the rear rotor. except mine wouldnt idle.