Sonofthehill's stock engine 240k mile 99 MKTURBO 12 seconds on all seasons thread - Page 4 - Miata Turbo Forum -Boost cars, acquire cats.

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Old 05-19-2016, 01:58 PM   #61
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I better step up my game on that block.
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Old 05-19-2016, 02:00 PM   #62
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I'd be more concerned bout your 5sp haha

but yeah, the pay-to-play ratio starts climbing quick after 250
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Old 05-19-2016, 02:04 PM   #63
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Seriously though, my local drag strip is notoriously slow. I think this was the first time there was not a good headwind.
I wonder how much unicorn semen is left in my motor now
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Old 05-19-2016, 02:07 PM   #64
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I do have a spare 5 speed now and there is another one for sale in San Ramon for $100.
My tranny is so noisy, like it's complaining all the time.
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Old 05-19-2016, 02:38 PM   #65
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no one likes a grouchy tranny

in that case, use LC+FFS next time
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Old 05-19-2016, 06:23 PM   #66
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I think it will be hard to beat that car since that's basically the ragged edge of keeping the engine intact
37,000 boosted miles and running strong.
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Old 05-19-2016, 07:18 PM   #67
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all 37,000 at 275hp?
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Old 05-19-2016, 07:51 PM   #68
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So what are the time-based safety equipment rules, anyway? Helmet, presumably? Roll bar for under 13.5? At what point do they want driveshaft loops and scatter shields?

--Ian
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Old 05-19-2016, 08:14 PM   #69
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They won't let me run again till I get a sfi 3.2a/1 jacket, aftermarket turbo thing. The track I go to uses NHRA rules, what I find online says faster than 13.99 requires helmet I guess. I was all over 14.00 and even ran a few 13.7 passes and they didn't mention a helmet. Don't even think I had a roll bar then.



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Old 05-19-2016, 08:41 PM   #70
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that's nuts.

come here to Sac where you can go as fast as 11.5 with nothing but a helmet
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Old 05-19-2016, 08:50 PM   #71
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They won't let me run again till I get a sfi 3.2a/1 jacket, aftermarket turbo thing.
Huh, weird. I just went and looked it up, and sure enough, there it is in the NRHA rule book.

I've occasionally pondered going up to Sears Point for the wednesday thing -- I even own a fire suit, but it's got an FIA rating not an SFI one, so wouldn't be legal. Ah well, my transmission would probably hate me for it anyway.

--Ian
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Old 05-19-2016, 09:17 PM   #72
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all 37,000 at 275hp?
I'd say 16,000 @ 220whp, 10,000 @ 236whp, 6,000 @ 254whp, 5,000 @ 276whp to be exact. But I feel like miles don't really mean much, at least not as much as WOT time. To be fair I've only done about 25 drag passes (mostly 1/8) and 2 autocrosses at 250+whp. And of course the obligatory minimum 1 WOT pull per day, lol. I have to keep adding more power to compensate for the compression dropping
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Old 05-19-2016, 09:32 PM   #73
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They won't let me run again till I get a sfi 3.2a/1 jacket, aftermarket turbo thing. The track I go to uses NHRA rules, what I find online says faster than 13.99 requires helmet I guess. I was all over 14.00 and even ran a few 13.7 passes and they didn't mention a helmet. Don't even think I had a roll bar then.
All of this is correct at Sears Point, come out codrus, I will be there next Wednesday. They won't bug you about 13's until elimination and you try to put that time on your window.
Convertibles 13.49 or faster require a roll bar with side bars, but a permanent mounted hardtop is not considered a convertible.
More rules for cars faster than 11.99 and slicks. Might be slicks that require driveshaft loop.
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Old 05-19-2016, 09:39 PM   #74
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On the subject of failing 5 speeds.
How does it usually go?

A. Pops out of 3rd & 4th and you have to hold it in gear. Annoying but at least you can get home.

B. Input shaft spins but output shaft does not. More annoying, now you need a tow home. Basically shafted!

C. Case splits open and spits hot parts at you through the floor. Downright dangerous, with risk of severe shrapnel wounds.

Or
D. All of the above.
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Old 05-19-2016, 09:49 PM   #75
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On the subject of failing 5 speeds.
How does it usually go?

A. Pops out of 3rd & 4th and you have to hold it in gear. Annoying but at least you can get home.

B. Input shaft spins but output shaft does not. More annoying, now you need a tow home. Basically shafted!

C. Case splits open and spits hot parts at you through the floor. Downright dangerous, with risk of severe shrapnel wounds.

Or
D. All of the above.
B. You put your foot down and it strips all the teeth off third gear, it goes ZING! rattle-rattle-rattle-rattle and then if you're unlucky it jams.


--Ian
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Old 05-19-2016, 09:53 PM   #76
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Originally Posted by sonofthehill View Post
All of this is correct at Sears Point, come out codrus, I will be there next Wednesday. They won't bug you about 13's until elimination and you try to put that time on your window.
Convertibles 13.49 or faster require a roll bar with side bars, but a permanent mounted hardtop is not considered a convertible.
More rules for cars faster than 11.99 and slicks. Might be slicks that require driveshaft loop.
I have a roll bar, no side bars. It makes 340 at the wheels, so should (in theory) be capable of much faster than 13.49. Of course, I've never done a drag strip pass in my life, and with Rivals and a bunch of rear camber I'm sure it wouldn't launch particularly well.

--Ian
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Old 05-19-2016, 10:09 PM   #77
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Ah yes, zing, rattle, rattle. I am familiar with that sound, thanks.
You will be way faster than 13 seconds unless you spin the tires the whole time. I would offer my jacket but I think we would both be in the gear jammers class so we both need one.
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Old 05-19-2016, 10:26 PM   #78
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yup, all of mine went like that.

the last one actually made an explosion sound.

it was entertaining.

it was also a 1600 fix cause it was in a subaru lulz
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Old 05-19-2016, 10:56 PM   #79
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then if you're unlucky it jams.
..........have there been reports of this? Like it literally locks the rear wheels..




Edit: Anyone have a 6-speed for sale? Lol.
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Old 05-19-2016, 11:16 PM   #80
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..........have there been reports of this? Like it literally locks the rear wheels..
I have heard anecdotal reports of jamming, although I think it's usually after the car has stopped and someone is trying to push it. I parked the car under the bridge, got it towed into the paddock, and then towed it home. This was at Miatas @ MRLS in 2012. This was the first track day I trailered the car to, a week after I'd mounted the winch on it, so getting the car home wasn't a problem. It was a bit of a scramble to locate a 6-speed and install it and the 3.9:1 before the next autox event 2 weeks later, though. (Later went to 3.636, much better with the 6-speed)

--Ian
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