NoPistons -Mazda Rx7 & Rx8 Rotary Forum
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NoPistons -Mazda Rx7 & Rx8 Rotary Forum (https://www.nopistons.com/)
-   2nd Generation Specific (https://www.nopistons.com/2nd-generation-specific-17/)
-   -   Engine/Cooling sealant for blown apex seals? (https://www.nopistons.com/2nd-generation-specific-17/engine-cooling-sealant-blown-apex-seals-66731/)

rxjc 07-25-2007 04:29 PM
Ok well I am new to rotary motors.

I just bought a new rx7, and it was not starting.

Turns out it was flooded.

Now every time I start it, it blows smoke and will not keep idle.

I am assuming that the apex seal is bad.

I did change the oil the first time I got it running.



I have a friend that told me I can use a engine/cooling sealant

to fix the problem.

I can not find any info on this topic anywhere though.

He said that his friend did it to his 88 and it worked like a charm.

Can anyone shed some light on this topic?

jwteknix 07-25-2007 05:54 PM
there is nothing to fix a blown apex seal except a rebuild. but while your doin that u can get it ported best of luck and welcome to the forum

rxjc 07-25-2007 06:01 PM
Originally Posted by jwteknix' post='878510' date='Jul 25 2007, 02:54 PM
there is nothing to fix a blown apex seal except a rebuild. but while your doin that u can get it ported best of luck and welcome to the forum


I just don't have the cash.



here is the car... http://austin.craigslist.org/car/377789244.html

cymfc3s 07-25-2007 06:01 PM
Hopefully you didnt pay too much for the car. What area do you live? there might be some rotorheads nearby to give you a hand.

rxjc 07-25-2007 06:02 PM
Originally Posted by cymfc3s' post='878512' date='Jul 25 2007, 03:01 PM
Hopefully you didnt pay too much for the car. What area do you live? there might be some rotorheads nearby to give you a hand.
I only paid one thousand for it, but I am in a hard spot for cash

1988RedT2 07-25-2007 06:23 PM
Get a compression check done or do it yourself. It will let you know where you stand. If it is an apex seal, there is nothing short of a rebuild that can fix it.

rxjc 07-25-2007 08:27 PM
Originally Posted by 1988RedT2' post='878517' date='Jul 25 2007, 03:23 PM
Get a compression check done or do it yourself. It will let you know where you stand. If it is an apex seal, there is nothing short of a rebuild that can fix it.




I guess I am screwed.

Baldy 07-26-2007 07:43 AM
Originally Posted by rxjc' post='878529' date='Jul 25 2007, 09:27 PM
I guess I am screwed.
Why, did you do a compression check yet? You can't just ASSUME you have a busted apex seal. That's like saying, "oh, I have a headache, it must be a tumor, let me just give away my worldly possessions and kill myself."

rxjc 07-26-2007 08:46 AM
well I just need more time and money.

what else could be causing my problems then?

It runs really rich.

Smokes every time I start it.

I kill it by taking out the egi comp fuse out and,

not putting it in until I start it.

1988RedT2 07-26-2007 08:50 AM
Does it pull at all? If you've blown an apex seal, the best you could likely do is keep it running badly with no load. If you can accelerate the car, then it's probably not an apex seal. Start with the compression check.


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