How can I make 200HP with my 12A?
Hey Everyone,
I just picked up a 84 gsl. It only has 70k on the clock and is in great shape besides fading paint. It's all stock besides a header, exhaust, and suspension upgrades. I have been dooing a lot of research on these cars for a while and kind of come up empty. I'm getting info but its not as easy as I'm used to. I really just want to know the easiest and cheapest way to make 200 HP or close to it. Does anyone have any ideas or other info for a newbie? Thanks in advance. |
turbocharger?
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TII swap would be the cheapest and easyest. But You could always street port and turbo (or supercharge) yours. Or even go periferal port n/a if you have the money. Any way you go speed costs money. how fast are you willing to go?
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That's the thing. I don't really want to do a motor swap$
I have been trying to find out how to make more power with the 12A. Preferably all muscle. |
12A with no turbo and in its stock build form will never make 200hp
Port the motor and put a big carb on it and you are still going to come up short (probably) Either way the motor is going to have to come out, be it to port it or to swap it. A TII motor is the fastest most reliable way to 200hp |
It's prob cheaper to stick with the 12a and upgrade it to come as close as possible to 200hp thought right?
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^^^ wasn't that what I said...lol .Yep your gunna have to take the engine out no madder what you do. Im going for 200-250 with my SE. It will have bridgys, Itb's and sqeaze. Probly wont break 250. all for 3k
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edit
i was agreeing with mike |
Depends on what your willing to spend. How much are you willing to spend?
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Not much. maybe $1500.
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I have no problem with pulling the motor. I just don't want to spend the money. I've done Honda swaps before and from my experience, you always end up spending a fortune when all is said and done.
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Honda=cheap, rotary=expensive get used to it. That might get you a TII, maybe.
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Originally Posted by LIRX
(Post 7518246)
That's the thing. I don't really want to do a motor swap$
I have been trying to find out how to make more power with the 12A. Preferably all muscle. This is where you need to start and then see how you like it. https://www.rx7club.com/1st-gen-archive-71/engine-easiest-way-make-hp-stock-12a-686989/ There is also the FAQ section. There are threads on how to make HP. That is what you should of done first. Which is read and then read some more.:) |
Now that the title is changed to reflect what information you are looking for. Go to the bottom of the page and you will see 5 related threads that you can click on a get your answers. :-)
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Only way you're going to hit 200hp for $1500 or less is with some Nitrous. Building the 12A yourself to hit 200+hp N/A will still cost more than $1500. If you consider a turbo, then the cost drops, but it's going to take some creativity
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Jay Lenos Cosmo 110s has a 12A that is putting out 200hp. From what i know it was built by mazdatrix and is NOT turbo'ed or juiced in any way.
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Lets be a little more realistic ... T2 swap don't put out 200hp at the wheels anyways ... so you can match it up with a ported 12a with something like ITb's and stuff. 170whp with a 12a is very doable and is where i'm trying to get at, so that would equate to about 195.5 flywheel hp.
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Originally Posted by Onlyonthurs
(Post 7518834)
Jay Lenos Cosmo 110s has a 12A that is putting out 200hp. From what i know it was built by mazdatrix and is NOT turbo'ed or juiced in any way.
Getting a 12A to 200hp without power adders isn't that difficult, but it costs a hell of alot more than $1500 |
For only 200hp, you definitely don't need a turbo or nitrous.
The Mazda Atlantics 12A's made about 220hp with a street port and no intake restrictions. With a bridge port the 12A's made about 250 hp with carb and restricted 38mm chokes. If the engine isn't being built to conform to some arbitrary racing class regulations, it's much easier to make power. However once you move to peripheral ports and custom EFI intakes, much more power, but more costly. Not the best choice, only if rules say you need to stay NA for 300-350+ hp. In any case, even a street port would require pulling and rebuilding the engine. |
Originally Posted by FirebirdSlayer666
(Post 7518961)
Proof or GTFO!!!!!!.......................................J/K, but seriously..proof
Getting a 12A to 200hp without power adders isn't that difficult, but it costs a hell of alot more than $1500 |
Even building it yourself, you would need to strengthen internals for double the original hp. 13B's can get away with it because they produce power a little more easily and there are more options for power cheap i.e. S5 N/A rotors for higher compression. I honestly just think it would simply be more than $1500 done right.
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fuckin leno
Originally Posted by Onlyonthurs
(Post 7518834)
Jay Lenos Cosmo 110s has a 12A that is putting out 200hp. From what i know it was built by mazdatrix and is NOT turbo'ed or juiced in any way.
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S5 6 port engines make 200rwhp with a good streetport and tuning.
Bridged 12A with a good exhaust setup, IE, loud, and good EFI and tuning will probably make over 200. |
Originally Posted by FirebirdSlayer666
(Post 7519115)
Even building it yourself, you would need to strengthen internals for double the original hp. 13B's can get away with it because they produce power a little more easily and there are more options for power cheap i.e. S5 N/A rotors for higher compression. I honestly just think it would simply be more than $1500 done right.
As far as the cost, he was just describing his plan which did not necessarily include S5 rotors. I tend to believe, due to the reputation of the person making the claim, if he could build a $600 13B making more than 200 whp, that he could build a 200hp 12A for $600. But this is some faith and speculation so if you think it would cost more, I can't prove you wrong. Sometimes it's preferable to spend more $ than to cling to every penny, and the time spent looking for cost savings does have a cost itself. |
For $1500, I will get a Sterling carb, RB header/presilence, Borla Muffler, 2GCDFIS w/TT, and suspension (depends on whats your plan for the car).
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