NoPistons -Mazda Rx7 & Rx8 Rotary Forum

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-   -   Help strange smell (https://www.nopistons.com/2nd-generation-specific-17/help-strange-smell-2424/)

Monkeytuner 05-04-2002 01:47 PM

??? Okay I have this 86 RX-7 I just tried to wire in my radio and bought the Metra wiring kit and no sound what's up? I also have a funny smell coming from under the hood it smells like gas butI see no leaks from injectors. The car sat for about six months before I bought it and seems to be running a little better now that it has been driven a little. I hope it just needs to be run what do you guys think?

ILUVMY88CABRIO 05-04-2002 02:47 PM


Originally Posted by Monkeytuner' date='May 04 2002,12:47
??? Okay I have this 86 RX-7 I just tried to wire in my radio and bought the Metra wiring kit and no sound what's up? I also have a funny smell coming from under the hood it smells like gas butI see no leaks from injectors. The car sat for about six months before I bought it and seems to be running a little better now that it has been driven a little. I hope it just needs to be run what do you guys think?

Did you hook the radio up right?

13BAce 05-04-2002 04:40 PM

Try checking out the car while the front is jacked up and it's running.

Monkeytuner 05-04-2002 07:54 PM

Okay so putting my car on a jack while it is running will show me what>? ???

13BAce 05-04-2002 08:10 PM


Originally Posted by Monkeytuner' date='May 04 2002,21:54
Okay so putting my car on a jack while it is running will show me what>? ???

It could help you find a fuel leak. The fuel lines run under the car.

isamu 05-04-2002 11:38 PM

"Ooooh that smell, can't ya smell that smell."

Sorry, that song just popped in my head after reading your post.

Yea if you didn't already I would recheck all the wires for the radio. You could start at the fuel filter on the driver side firewall/fender and work your way up and around checking for leaks.

Monkeytuner 05-05-2002 09:27 AM

Okay I figured out the prob. with the radio. I had an amp nuilt into the dash for my two front speakers so I had to disable that and then I found a found my rear speakers both had individual amps built into the housings they sat in so I just took these out reconnected the wires for now I will be buying new speakers but for now I Ijust reconnected the old ones.

I will check for that leak today I am doing an oil change and I am going from god knows what for oil to Mobil 1 Tri-synthetic 15w-50 any body think this is a bad idea.? https://www.nopistons.com/forums/pub...#>/biggrin.png

Powerpack 05-05-2002 10:17 AM


Originally Posted by Monkeytuner' date='May 05 2002,08:27
I will check for that leak today I am doing an oil change and I am going from god knows what for oil to Mobil 1 Tri-synthetic 15w-50 any body think this is a bad idea.? https://www.nopistons.com/forums/pub...#>/biggrin.png

I've never tried to figure out why they recommend the use of mineral oil but anyway, since we have to add a quart of oil every 1000-1500 miles, it seems to me a good reason not to pay for synthetic oil. I just use a good quality mineral oil. :notify:

isamu 05-05-2002 10:40 PM

I think it is because the synthetic oil won't burn as well as the mineral oil and will leave more deposits and such in the engine. Here is a link to a faq page that talks about it.synthetic oil

Powerpack 05-06-2002 06:52 PM


Originally Posted by isamu' date='May 05 2002,21:40
I think it is because the synthetic oil won't burn as well as the mineral oil and will leave more deposits and such in the engine. Here is a link to a faq page that talks about it.synthetic oil

This is a very interesting webpage, Isamu. A little of everything that applies to rotaries and well explained. :thumbs-up:

Rotarydragon 05-06-2002 08:11 PM


Originally Posted by Powerpack' date='May 06 2002,19:52
[quote name='isamu' date='May 05 2002,21:40']I think it is because the synthetic oil won't burn as well as the mineral oil and will leave more deposits and such in the engine. Here is a link to a faq page that talks about it.synthetic oil

This is a very interesting webpage, Isamu. A little of everything that applies to rotaries and well explained. :thumbs-up:[/quote]

Good old Felix, he's a great deal of fun in the 1st gen list.



If you own a 1st gen it's well worth visiting. Heck for any generation for that matter tho he's pretty much 1st gen only.

13BAce 05-06-2002 08:47 PM


Originally Posted by Rotarydragon' date='May 06 2002,22:11
[quote name='Powerpack' date='May 06 2002,19:52'][quote name='isamu' date='May 05 2002,21:40']I think it is because the synthetic oil won't burn as well as the mineral oil and will leave more deposits and such in the engine. Here is a link to a faq page that talks about it.synthetic oil

This is a very interesting webpage, Isamu. A little of everything that applies to rotaries and well explained. :thumbs-up:[/quote]

Good old Felix, he's a great deal of fun in the 1st gen list.



If you own a 1st gen it's well worth visiting. Heck for any generation for that matter tho he's pretty much 1st gen only.[/quote]

His site is great for anyone who has a rotary. There's alot of general information there.

agrillo 05-09-2002 09:13 AM

You will get some fuel smell from under the hood as there is the fuel vapor canister located on the right wheel well .It will give off a sharp fuel smell especially on warm days. :smilewinkgrin:

1988RedT2 05-09-2002 10:13 AM

Fuel smell under the hood of a rotary? I'd look for that before I ran that car again. Make sure the infamous pulsation damper isn't leaking. You don't want to go out in a blaze of glory. :newburn:

Monkeytuner 05-09-2002 05:46 PM

How do I locate the pulsation damper and what does it look like.?

13BAce 05-09-2002 06:10 PM


Originally Posted by Monkeytuner' date='May 09 2002,19:46
How do I locate the pulsation damper and what does it look like.?

It's part of the primary fuel rail, under the intake manifold. Here's a link: http://home.earthlink.net/~burntoast...iondamper.html

Monkeytuner 05-09-2002 07:03 PM

when I remove the upper itake manifold to check this do I need to replace the intake gasket?

Thanks for the link very helpful. :thumbs-up:

13BAce 05-09-2002 07:31 PM


Originally Posted by Monkeytuner' date='May 09 2002,21:03
when I remove the upper itake manifold to check this do I need to replace the intake gasket?

Thanks for the link very helpful. :thumbs-up:

If the gasket is still good then leave it on there. Just use some silicone on it to ensure a good seal.

Monkeytuner 05-09-2002 07:40 PM

Thanks big help.

Okay now if the damper is bad I need to pay like a hundred dollars for a new one or I can replace it with a 88-91 fuel rail. Or would I be better off just getting an aftermarket fuel rail? If so who makes one any links?

13BAce 05-09-2002 08:02 PM


Originally Posted by Monkeytuner' date='May 09 2002,21:40
Thanks big help.

Okay now if the damper is bad I need to pay like a hundred dollars for a new one or I can replace it with a 88-91 fuel rail. Or would I be better off just getting an aftermarket fuel rail? If so who makes one any links?

I would just take the pulsation damper out and plug the hole with a bolt. Just make sure to use a washer, and maybe some teflon tape.



The 89-91 fuel rail will also work.


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