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RX-7 newb and engine help

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Old 07-07-08, 10:58 PM
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TX RX-7 newb and engine help

hi i jus bought my 1993 FD Rx-7 im lookin to fix it up along with the engine
currently i dont really kno whats going on with my Rx-7 Engine
id appreciate what i can know about the car....
but currently the engine... im clueless about it



i was wondering what else i need to do/use for my car...
oil/gas/parts/etc anything i can do to mod out the car
its really low also

i would appreciate the help
thank you~
Old 07-07-08, 11:00 PM
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hmm prepare for some harsh comments i assume, i will say use the search tool and read the new owner FAQ, almost all you need to know is in there.

also you have alot of learning to do. welcome.
Old 07-07-08, 11:07 PM
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ahh ok thank you~
Old 07-07-08, 11:12 PM
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gets some air filters on that thing! you dont want to suck crap into the engine...
Is there a problem with your engine? if so what are its symptoms? oh and welcome
Old 07-07-08, 11:24 PM
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buy apex power fc an use it instead of the stock ecu.. also I think you should premix with 2 stroke oil or pettit protek r.. search for premix.. thats it..
Old 07-07-08, 11:29 PM
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TX

well when i floor the car.... (past 4-5 RPMs)
the car starts to shake and rickets alot... like the back....
which is Loud for starters and annoying... lol
i also dont have my mufflers installed atm..
not sure what that might do to my car >,< and thakn you for welcomming
Old 07-07-08, 11:39 PM
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I would first take you car to a rotary mechanic and ask him do a check on your car and find what he can. It usually doesnt take that long and its worth having someone with knowledge checking out the new ride and seeing what problems it has.
Old 07-07-08, 11:40 PM
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are your wheels balanced and aligned?
Old 07-07-08, 11:47 PM
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Thank you for join the forum. I would also get the car checked out by a rx7 surgeon.
Old 07-07-08, 11:56 PM
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TX

thank you~ ^^
yea the cars aligned when i run its straight....
but the problem lies with how hard im Flooring my gas pedal
the harder i floor it the more the sound begin to get loud...
if i kept it steady... then it wont sound....

i also dont kno much about whats on the engine its pretty stock..... thats all i kno :3
Old 07-08-08, 04:41 AM
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Not to steer off topic, but the hole in the stock ic on top of the duct...what is suppose to go there? i took the metal plate the the previous owner fabricated on there and used it to make a bracket, and just the other day i learned i don't have the correct piping for my SMIC so i have to use the stock IC until I can get new piping and i need to plug that hole back up. i know it will be easy to cover up, but just was curious what orginally was covering that hole.

And yes, i hope you aren't running without any filters because you suck the wrong item in there, and you can kiss the motor good bye.
If you have a rotor mech. in your area, it would be in your best interest to let them check it out to see what all it needs so you know where you stand.
Old 07-08-08, 07:41 AM
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Doesn't look that bad. The Upper Intake Manifold looks clean as a whistle but you never know the condition of the engine under there.

The wisest thing to do is take it to the rotor mechanic and spend the $$$ to get it serviced and to iron out any problems. Get it back to square 1 before anything else.

They look like Apexi intake's without the filters so don't go driving around with them on!
Old 07-08-08, 10:37 AM
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Originally Posted by spandy
i know it will be easy to cover up, but just was curious what orginally was covering that hole.
It's just a little plastic cover. No use stock...I think? You can also pull it off to use a Racing Beat air duct with a stock intake.
Old 07-08-08, 12:06 PM
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You got a lot of work to do.
Old 07-08-08, 02:16 PM
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Not to steer off topic, but the hole in the stock ic on top of the duct...what is suppose to go there? i took the metal plate the the previous owner fabricated on there and used it to make a bracket, and just the other day i learned i don't have the correct piping for my SMIC so i have to use the stock IC until I can get new piping and i need to plug that hole back up. i know it will be easy to cover up, but just was curious what orginally was covering that hole.

the hole was there i believe b4 i bought the car.... i bought it from a friend as is... i installed Intakes.... 1 week after i purchased the car fixed the dashboard and everything the car is in pretty Poor condition and i am currently spending money/time to revive the car atm there is a oil leakage i have to try to fix
Old 07-08-08, 11:19 PM
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there is a covering that covers the stock intake and that duct like a finisher, but that finisher also has a duct inside that takes fresh air from that area to the intake box , but u dont have yhe stock intake box so you should jus cover the holes......... and get that replcement filter quick , but dont waste your time with a stock intake box because it is very ineficient and so is your stock intercoolers , dose stock intake box and there piping are like paracites in your engine bay.........so good lock and your next problems should be overheating as usual??????
Old 07-08-08, 11:22 PM
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oh you should put the bracket that you remove from on tp of the ic back because the ic move alot @ high rpm ok
Old 07-08-08, 11:26 PM
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TX

Originally Posted by AMIT
oh you should put the bracket that you remove from on tp of the ic back because the ic move alot @ high rpm ok
i dont exactly kno where that is..... lol >,< srry
i dont kno much about the car..... and im learning more each time
Old 07-09-08, 12:10 AM
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ok look on top front of the ic u will see a hole looking like if a bolt is missing,there is suppose to be a bracket from there to the support that holds the bonnet locks and bumper?
Old 07-09-08, 01:37 PM
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oooo... i see it... what exactly goes there?
does it have any sort of impact on my car?
Old 07-09-08, 09:50 PM
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Originally Posted by simonbuily
oooo... i see it... what exactly goes there?
does it have any sort of impact on my car?
It has a major impact on the car. If that hole is there then virtually NO air is going through the intercooler. That's a BAD THING if you get into boost, espescially in the Texas heat. Cover up the hole ASAP or you risk blowing your engine.

That's a really bad intake, by the way...all it is doing is pulling hot air in from the back of the radiator, hastening the demise of your engine.

As to your vibration issue.....

What happens if you put the car in neutral and increase the RPMs just sitting in the driveway not moving? Does it vibrate?

What if you do the same with the clutch depressed?

Last edited by JM1FD; 07-09-08 at 09:56 PM.
Old 07-10-08, 12:25 AM
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well when im running the car at high rpms.... the higher i depress the gas panel the harder it begins to vibrate louder and louder....

i already filled in the hole for the Intake as of last week....

where exactly is the IC ???

Originally Posted by AMIT
ok look on top front of the ic u will see a hole looking like if a bolt is missing,there is suppose to be a bracket from there to the support that holds the bonnet locks and bumper?



i cant seem to find the thing for that one....
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