NoPistons -Mazda Rx7 & Rx8 Rotary Forum

NoPistons -Mazda Rx7 & Rx8 Rotary Forum (https://www.nopistons.com/)
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-   -   new guy thinking of a buying an rx7 (https://www.nopistons.com/meet-greet-79/new-guy-thinking-buying-rx7-74917/)

mitsuspyder03 11-23-2010 06:33 PM

Hi there im richard im from new orleans, La. My friend has a 85 rx7 with a 13b and i drove it one time and fell in love it has now been sitting up for 3 years need a hood and driver fender he said hell let i got for a grand so im realy considering it. It needs some minor engine work and what not. I know nothing about rotarys but heard the 13 be is a very great motor and im willing to learn.

phinsup 11-23-2010 10:00 PM

My GSL-SE was and still is my favorite car that I owned, if it's in good shape and is a good buy i'd say do it!

thatpoorguy 11-23-2010 11:17 PM

As long as she's running well definitely! Best of luck and welcome to nopistons

mitsuspyder03 11-24-2010 03:01 AM

it runs he says it needs new injectors when try to starts it one sprays gas from where the top of the injector and the rail meet, not a hard fix interior is in great shape just some fading and needs a paint job but the fent and hood got hit by a for from a tractor. It has 120,000 miles on it i was told rotarys need to be rebuilt after 100,000 cause the lose compression is this true?

Baldy 11-24-2010 07:15 AM

There's no magic number for when they need to be rebuilt, but generally the non-turbo motors (like your friend's 13b) last much longer than turbo, and almost always well over 100,000 miles.



If it's spraying fuel from where the injector meets the rail, it most likely just needs an injector o-ring.

phinsup 11-24-2010 09:48 AM

My 83 12a had 220,000 miles on the original motor when it got ran over.

mitsuspyder03 11-24-2010 09:14 PM

ok thanks baldy ill definately try that thanks. Im a performance freak so im considering possibly modding the engine a little so would a rebuild be necesary? Sorry for all the questions im just curious.

thatpoorguy 11-25-2010 02:25 PM

That's what we're here for lol if it's high mileage it's a good idea to at least go through the engine before doing major upgrades. There are mixed opinions about swapping to 3mm apex seals so it's more of an owner preference for that. Porting is great for performance but there are a few ways of doing it with various outcomes.

mitsuspyder03 11-26-2010 07:35 PM

ok thank. no on my other forum fo rmy eclipse all they do is yell search button lol its alot easier to ask lol

brandynmarie 11-30-2010 10:08 AM

Best of luck! Loved ours but have to sell....


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