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RX-7 1st Gen Specific (1979-85) RX-7 1979-85 Discussion including performance modifications and technical support sections |
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#1 |
Rotary Fan in Training
Join Date: Oct 2013
Location: Twin falls
Posts: 44
Rep Power: 0 ![]() |
progress
as commented in the vid just got my apex exhaust kit i will be putting on. A few questions on the car. oil smoke ? What might be doing that? carb wont idle below 950 rpm whats that all about ? i adjusted in the area between lean and rich. other than that i have the spare engine almost ready to go in. I have gained a lot of power with everything so far, and got my gas mileage back to around 20 mpg high way an around 17 in town if i take it easy.
https://www.youtube.com/watch?v=N5TP2mAj4GA |
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#2 |
Respecognize!
Join Date: Jul 2008
Location: Δx = ħ/2Δp
Posts: 3,190
Rep Power: 21 ![]() |
Well the carb could still have a minor leak of air or fuel. Perhaps the timing is slightly off. I know that the effects of timing were drastic for the weber I have.
is the vacuum advance system in place and working on the dizzy?
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#3 |
Rotary Fan in Training
Join Date: Oct 2013
Location: Twin falls
Posts: 44
Rep Power: 0 ![]() |
yeah, had to cap off a broken piece on the nest, but everything is tight. recently got it to idle at 800 rpm. there are fuel leaks i found, needs a new fuel line. as far as timing i need to get a light and check it. still no clue why it oil smokes from time to time
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#4 |
Rotary Fan in Training
Join Date: Oct 2013
Location: Twin falls
Posts: 44
Rep Power: 0 ![]() |
ok timing is a degree off, still running just a tad rich, had to back it off on fuel. then i noticed my floats are also a wee bit out of alignment, one starts putting a bit more fuel than the other, not much but i think that will effect things. so when the weather is good enough I'll try to get that fixed. the new exhaust kit helped it a lot. The old muffler had clogged on a broken baffle restricting the flow. at that the car sounds throaty, deep rumble at idle, happy i went with the apex stainless steel set up.
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#5 |
The Newbie
Join Date: Oct 2013
Posts: 6
Rep Power: 0 ![]() |
I was using 10w30 for a while and it was smoking quite a bit. I switched back to the 20w50 it smoked a whole lot less. Maybe worth a try if you haven't yet.
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#6 |
Rotary Fan in Training
Join Date: Oct 2013
Location: Twin falls
Posts: 44
Rep Power: 0 ![]() |
haven't ran less than 20 50 in it. thank you though
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