Okay, so right now I could afford a Blown Rx7, and can afford to rebuild it by spring.....or....I could wait it out...and buy whatever I can get for my $14k+ budget (Like a Rex with a rebuilt engine already)...
...Many of you would suggest buyin Blown, and rebuild right? Right. I've asked some owners and many say $5k is a good "Over"Estimate (Safe one) as far as what to expect to rebuild. That being said, I know engines can come ported. I'm not looking to have a single turbo'd 500hp Monster. But I know I would like something more than simply being stock. The mod bug hit me enough with the Mr2, I know it'll come back. What's a good port (I've seen several "Levels") to reach somehwere between 300-350rwhp on stock twins? I'm assuming not much at all, given I've seen MazdaMike's readout and find it very stellar that 319 was acheived with 99Spec Twins, Injectors, etc. I would like to be running something that wouldn't *require* race gas to be efficient, and of course be reliable. In fact, it's probably due to the desire to beat (or be at the speed of) a BPU Supra. I'm not much of a racer, not illegal anywho. But it'd be cool to have that same power I was going to have earlier when I wanted an MKIV. Seems to me with FD's the options are limitless, all different combo's could be made. Thanks for any input/advice. |
You can easily make that much power on stock twins, without a ported motor. A street port isnt going to reduce the life of an engine by a noticible amount. If you want to go with a single turbo, a t04e would work nicely with your power goals, and could be used well with a stock motor. (to4e would choke the top end of a streetport, and thats when the streetport shines) You would not have to use race gas at this level, and the twins or a small single like the to4e are very streetable.
Mazda mike is using a stock intercooler. (unless im missing something) By removing hte stock bottleneck one he will prodice more power. |
Originally Posted by rfreeman27' date='Aug 22 2003, 01:54 AM
You can easily make that much power on stock twins, without a ported motor. A street port isnt going to reduce the life of an engine by a noticible amount. If you want to go with a single turbo, a t04e would work nicely with your power goals, and could be used well with a stock motor. (to4e would choke the top end of a streetport, and thats when the streetport shines) You would not have to use race gas at this level, and the twins or a small single like the to4e are very streetable.
Mazda mike is using a stock intercooler. (unless im missing something) By removing hte stock bottleneck one he will prodice more power. So is a ported rotary not worth it? Doesn't ensure a safer way of gaining power? And is just as reliable as a stock engine (Given other things are taken care of correctly) I would imagine there are 13b rebuilds that come with stronger internals...is that true? So do you think 350rwhp on an Rx7 would fare well against a 400rwhp Supra, lol, now that I just said that, it does seem just right (Given the Supra is supra-heavy). I figured a streetport was "stronger" to start off with, I really have a budget of up to like $6-7k for a rebuild so given the funds are there I would like to do things correctly, not cut corners, and reach the 350rwhp goal. Thanks for the help. |
yeah, if you have the motor out, by all means port the bitch. Im just saying, for your goals it isnt required. For example, i bought my car with a 6,000 mile fresh stock reman. I am in no rush to pull the sucker just to get a streetport.
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Ported rotary with all the bolt ons and stock twins will easily attain 350 rwhp at 15 psi.
Add a little more for single turbo and you'll be able to hit 450 at 15 psi with the right turbo. Street port is what your looking for. https://www.nopistons.com/forums/pub...#>/BURNOUT.gif |
I'm at 300wrhp @6.5k rpms on a ported motor @10psi with the main cat and full interior.
I was getting wacky A:F above that and couldn't turn up the boost just yet. Few things need to get sorted out. |
Rock on! These cars are so Badass. So are you guys!
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Yeah man. You can get 450 RWHP out of a stock motor. That's pushing it to it's limits but you can do it, note: this is with a large tuebo and all the extras. But you will be able to produce 350-450 hp easy all day all the time. A supra woudl need at least 500-600 hp to keep up with you at that.
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