slow acceleration???
hey everyone. i have a 1990 gtu and it seems its a bit slower than it should be. i havent really driven any other rx7s but when i get on the gas it doesnt seem to push much. i've driven plenty of 240sx in my time and they have way better throttle response. the one i drove lately only had headers and exhaust done to it and just a new air filter attached to the MAF so i cant imagine it'd make that huge of a differance. i just feel if i'm goin WOT then i should be pushing harder. any tips?
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Some people on here told me that Rx-7 aren't ment ot be fast at least the 2nd gens. Also Rotories lack a lot of torgue. What also could be the problem is tps isn't adjustest correctly. fuel filter needs to be changed. New plugs and wires. Mine started out really laggy, and I had to find out the problem myself. I had to fx an exhaust leak, change the fue filter, and ajust my TPS( throttle position sensor) It still is laggy, but I have just notice my Aux ports may not be working. So just start trouble shooting. I am new to all this so I am trying my best to help. Its better than getting a lame answer like, our cars are ment to be slow.
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Do you have an airpump installed?
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Originally Posted by Skaterking
(Post 9008555)
Some people on here told me that Rx-7 aren't ment ot be fast at least the 2nd gens. Also Rotories lack a lot of torgue. What also could be the problem is tps isn't adjustest correctly. fuel filter needs to be changed. New plugs and wires. Mine started out really laggy, and I had to find out the problem myself. I had to fx an exhaust leak, change the fue filter, and ajust my TPS( throttle position sensor) It still is laggy, but I have just notice my Aux ports may not be working. So just start trouble shooting. I am new to all this so I am trying my best to help. Its better than getting a lame answer like, our cars are ment to be slow.
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Originally Posted by Roen
(Post 9008575)
Do you have an airpump installed?
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One indication the TPS needs adjustment is jumpy idle. Jumps between 1k-1500 or more. Very erratic and annoying lol.
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just how slow is it?
if it's reaaaly slow you may have a serious engine issue. if it just feels a little bit down on power I'd check for clogged cats, stuck 6 ports, etc. stock FC NA's aren't "fast" but it should ANY rx7 has enough power to be fun. |
Originally Posted by Terrh
(Post 9008639)
just how slow is it?
if it's reaaaly slow you may have a serious engine issue. if it just feels a little bit down on power I'd check for clogged cats, stuck 6 ports, etc. stock FC NA's aren't "fast" but it should ANY rx7 has enough power to be fun. an na rx7 has more hit point (hp :P) than a 240 so i would only assume ... i doubt the cat has been changed since it was first bought. so i'll just go ahead and take that whole thing out! :D flex pipe instead |
it also has less torque, and probably weighs a little bit more.
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Originally Posted by Roen
(Post 9008696)
it also has less torque, and probably weighs a little bit more.
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You got the car not too long ago. The car is completely stock. The first thing I would do would be to give it a full tune up if you don't know when it was last done. New plugs, wires, filters, fluids, etc... You should also do a compression test on it, low numbers = dying motor hence your lack of acceleration. The FC N/A isn't the fastest car either, I wouldn't compare it to other cars that you have driven in the past.
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Do a full tune up, then get yourself some headers and a 2.5" full exhaust. You'd be surprised how much power can be freed up by getting rid of the stock exhaust. Rotaries love to breath freely.
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will do guys! exhaust will be the first mod she'll get! i was contemplating on if i should do exhaust or suspension. i was leaning towards exhaust since it'll free up some power and now i'm 100% on it since you guys suggest it! thanks for all the help! i'll keep you guys updated on how it goes! :D
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Hey you're from SFL aren't you. If so cool i also have an FC. do youg to countyline by anychance (sorry for the thread jack!)
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Get a drop in K&N filter, clean everything and change stuff like said above (fluids n such)
I lubed up my TB, put some WD in the throttle cable cover, new exhaust (dont gut your cat) make sure your 5/6ports are working right My n/a fc took a integra, I'm unsure how fast those are but I lol'd at the fact my friend didn't even WOT my fc (It was one of the integras with the 4 circle lights on the front) |
Those aren't that fast.
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Originally Posted by Gregory Casimir
(Post 9011167)
Hey you're from SFL aren't you. If so cool i also have an FC. do youg to countyline by anychance (sorry for the thread jack!)
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Originally Posted by Skaterking
(Post 9011539)
Those aren't that fast.
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my 86 sport is faster then my 91 240sx i sold towards the FC. im faster then a 95 240sx and a 93 240sx my friends have. all i have is stainless steel magnaflow exhuast. my friends miata used to beat the crap out of me in the s13, now im even with him with my FC.
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Originally Posted by danielson
(Post 9011859)
my 86 sport is faster then my 91 240sx i sold towards the FC. im faster then a 95 240sx and a 93 240sx my friends have. all i have is stainless steel magnaflow exhuast. my friends miata used to beat the crap out of me in the s13, now im even with him with my FC.
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