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Mazda Rotary Club

Cars by Model Type => 3rd generation RX-7's => Topic started by: Shaq on August 21, 2003, 09:00:10 AM

Title: finally got my rex !
Post by: Shaq on August 21, 2003, 09:00:10 AM
I finally picked up my rx-7 last night I am well impressed with the car you get so much attention driving around in it!     :)

Only thing is when I am in second and put my foot down it doesn’t really seem to shift as fast from 4,500 rpm upwards but under that it pull s like anything??   :confused:


Any suggestions please???


Thanks

Shaq
Title: finally got my rex !
Post by: Fish on August 21, 2003, 09:11:19 AM
Get yourself a boost gauge fitted. This will indicate if there is a boost problem.

It could be a blocked cat, this can make it feel flat above 4000 rpm.

Dan
Title: finally got my rex !
Post by: mr_tim on August 21, 2003, 10:11:30 AM
What boost gauge do you use/recommend?

There seems to be mechanical, electric, electric with replay and peak functions...
Title: finally got my rex !
Post by: Shaq on August 21, 2003, 10:33:32 AM
fish,

It has got a boost guage fitted i will check the boost tonight, but it pulls good in between 1,500 rmp - 4,000 rmp after that it feels it dosen t have the kick anymore but as soon as you shift into 3 ed starts pulling hard !

Any ideas ?
Title: finally got my rex !
Post by: Fish on August 21, 2003, 10:40:19 AM
Just a normal mechanical is good enough, you just need to check the boost is ok.

Boost pattern should be 10-8-10 on the earlier models, then 12-10-12 for the post 98 models.

If its less than around 6psi on the cross over point (10-8-10) then it has trouble moving the solenoids.

Dan
Title: finally got my rex !
Post by: Shaq on August 21, 2003, 11:08:52 AM
Fish,

Sorry to sound like a spaz but what do you mean by 10-8-10 boost pattern / cross over point ?


boosts to 10 then 8 psi then 10 ?

:confused:


Shaq
Title: finally got my rex !
Post by: boltoa on August 21, 2003, 11:28:59 AM
Hi Shaq

Check out the thread here (http://www.mazdarotaryclub.com/forums/showthread.php?s=&threadid=1711). I had what sounds like the same problem, fixed by swapping two solenoid connectors over (took about 15 mins mainly taking off strut brace (6 bolts) and pressure tank (2 bolts). Apparently they get swapped because an old workshop manual showed them incorrectly. Check out the link in the first post in that thread for a great page on boost problems.

Hope that helps.

Andrew
Title: finally got my rex !
Post by: BlitzBoy on August 21, 2003, 11:44:12 AM
Yo Shaq its Mark, I will ring ya tonight, I will check your solenoids if you want, I checked mine last night dead easy. I found a slight boost leak on mine where the y pipe is
Title: finally got my rex !
Post by: Shaq on August 21, 2003, 12:06:45 PM
boltoa
 
 cool thanks i will have a look tonight


 Blitz boy,

hey mark give us a buzz tonight i will be polishing my car you can come over around 5:00 if you have the time cos i know you r busy tonight :p


Shaq
Title: finally got my rex !
Post by: Archbish on August 21, 2003, 12:14:02 PM
((hint: if you\'ve a hose that comes off loads, a bit of silicone sealant around the nipple will hold it in place...Nipple on the car, that is...))
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