Ok ALL of the symptoms happen only when the engine is cold....15 mins later when its warm at operating temp. it runs and idles perfectly.


When Cold my engine does this:
-Spits of lots!! of blue and black smoke if it revs past 2.5rpm

-Backfires like a **** for no apparent reason

-Stalls at least twice if i try to drive it...so as it revs up and then you let off the gas its like it cant see its idle and just drops to 0 and stalls.


Well, Im thinking its gotta be the engine, I just put in new oil, new spk plugs, new oil filter....Do you think i have a blown apex seal? or oil seal?
-Daryl

 

not looking good man
do what chris suggested.. compression check... and go from there.. Don't spend ANY more money on it until you do a compression check..

 

Ok i think obviously cause i need to add a bottle of oil a week that i have one or more of my oil seals gone....Is it bad to run the car with blown oil seals? I always make sure the oil is topped up...Should I be running premix? I havent really lost and complression. Any other tips to help this situation....I have ABSOLUTLY no money for a rebuild...I dont sell drugs to kids like scathcart. :P

-Daryl

 

Honestly, only Bad maintence leads to this disaster. Bad oil seals are caused by poor oil quality. 3 of the RX-7s I test drove have 200k on them. They run fine with no problems, hot or cold.

Better luck next time when you have your engine fixed!

 

I used to have to add a bottle of oil to my car every week. How many miles do u log on your car. I used to drive 45 miles to work one way and back and I'd have to add a bottle. Also my car smokes a little when it starts up usually only if its been sitting for 8 hours or more. But I'm pretty sure the engine is ok. I change my oil every 3000 miles... As stated above u should get a compression check to put your mind at ease

 

Ive owned THIS rx7 for a couple months now...It has 313,000Km's on it and Im pretty sure the engines been rebuilt but i have no proof of that. Apparently 1 owner before me rat bagged it pretty good. Since ive owned it ive made sure everything is tip top and clean and filtered good....

Yeah im in a similar situation, it only smokes when it hasnt been on for 8 hours....and I have NEVER seen the temp guage go past 1/4 so its not over heating and warping or anything...

It pulls good but there is no way it would burn rubber in any gear except 1st....Like I cant rev it up while driving 60km's/h drop the clutch in 2nd gear and lay a patch...can you?

if it is the original motor LOL, I dont know havent raced any other cars in a LONG time cause ive been real careful about my driving habits...but Im looking for a race soon just to see where my cars at...I might race my friends t2 thats just got rebuilt....

-Daryl

 

300k km? That should explains why your engine is dying!