What is the recommended tranmission oil weight for a 1983 RX-7 5 speed? When I read the Chilton book I find SAE 90 EP gear oil for temperatures in my region. Thank you

Asked by Jul 04, 2013 at 12:21 AM about the 1983 Mazda RX-7

Question type: Maintenance & Repair

2 Answers

24,035

I put 90 weight in mine when I rebuilt it- 'cept I put the fancy BG synthetic

1 of 1 people found this helpful.
5,435

GL-4 or GL-5 SAE90 is the correct grade, I'd go for GL-5 myself as it has a higher anti-scuffing additive content, which does suit a high mileage transmission better.

Your Answer

Mazda RX-7 Experts

  • #1
    Lars Cats
    Reputation
    380
  • #2
    tennisshoes
    Reputation
    180
  • #3
    Tom Demyan
    Reputation
    100
View All

Related Models For Sale

Used Toyota Supra
62 listings
Used Ford Mustang
597 Great Deals out of 39,963 listings starting at $1,895
Used Chevrolet Camaro
443 Great Deals out of 31,892 listings starting at $1,450

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.