NB1 with GT2860R at 12.5 psi.
Here is the dyno sheet from today.
https://www.miataturbo.net/attachmen...n-12-5-psi-jpg I plan to hit the nearest 1/4 mile track on Sunday on my skinny little 195's... will post up time slip after. Keith |
A little better than that mp45, eh? :D
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Originally Posted by good2go
(Post 1167063)
A little better than that mp45, eh? :D
https://www.miataturbo.net/build-thr...tenment-80371/ Keith |
I can't wait to see those time slips. Great dyno!!
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Drag strip results!
Out of 5 runs I only got one clean pass, and that one was with slow shifting to get a clean run. First run I missed 5th, (passed reverse detent, had to come back and go up). Second pass missed 3rd. Third pass (these were back to back passes) I smoked the shit out of the clutch. Waited an hour for the clutch to cool off and recover a bit, then did my final two runs. Fourth run missed 3rd and 5th, but not as bad. Fifth and final run was clean, but I got a clean run by doing really slow 4th to 5th shift. 60' . . . . . . . . . . . 2.143 330' . . . . . . . . . . 5.8922 1/8th ET . . . . . . . 8.8682 1/8th MPH . . . . . 85.09 1/4 ET . . . . . . . . 13.5783 1/4 MPH . . . . . . 106.86 Keith |
That's downright fast man! all at 12psi, which is beautiful. My new 2860rs has a 12psi wastegate, so it looks like I'm in for some fun.
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Originally Posted by Fireindc
(Post 1167170)
That's downright fast man! all at 12psi, which is beautiful. My new 2860rs has a 12psi wastegate, so it looks like I'm in for some fun.
Keith |
what do you have for diff/engine mounts?
I found the delrin diff bushing/mount really reduced drivetrain movement (allowing you to hit your gears) and wasn't noticeable as far as NVH is concerned. It also helps prevent wheel hop from the diff/ppf slapping around. |
Originally Posted by Twodoor
(Post 1167193)
You doing a custom setup, or a kit from a vendor?
Keith I've been really busy recently, but all the parts are here. |
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Wow nice numbers! I can manage a 14 flat on my msm stock turbo. Good to know once I upgrade I can see some nice numbers.:skid: You must be spinning a lot off the line, I can't believe I have a faster 60ft.
Edit: just noticed you said you were on 195 tires... Yeah get some 225s on there!!! https://www.miataturbo.net/attachmen...ine=1410793519 |
I think the 4.3 and notchy 6sp is really hurting your time and trap (obviously you already know this).
So I'm guessing that WTB ad for a diff carrier is for a planned 3.6? haha |
Originally Posted by shlammed
(Post 1167278)
what do you have for diff/engine mounts?
I found the delrin diff bushing/mount really reduced drivetrain movement (allowing you to hit your gears) and wasn't noticeable as far as NVH is concerned. It also helps prevent wheel hop from the diff/ppf slapping around. With the 6 speed, shove it to the right and it is easy to go too far into the slot for reverse. Keith |
Originally Posted by Fireindc
(Post 1167291)
BEGI log manifold and BEGI downpipe, gt2860RS, semi built motor.
I've been really busy recently, but all the parts are here. Keith |
Originally Posted by Mazduh
(Post 1167311)
Edit: just noticed you said you were on 195 tires... Yeah get some 225s on there!!!
I followed bad advice on my clutch choice (thanks again Stephanie!), so the wider tires may not improve my times that much, if I launch from a high enough RPM to be in boost I get clutch slip even with the 195's. Keith |
Originally Posted by 18psi
(Post 1167316)
I think the 4.3 and notchy 6sp is really hurting your time and trap (obviously you already know this).
So I'm guessing that WTB ad for a diff carrier is for a planned 3.6? haha Trap speed would have been 110+ with a good shift to 5th, you can actually see VSS drop substantially on the data log in the second between leaving 4th and engaging 5th. Keith |
Very nice. You running wastegate 12.5 or EBC?
Do you have a dyno printout of the supercharger? |
Originally Posted by Chiburbian
(Post 1167455)
Very nice. You running wastegate 12.5 or EBC?
Do you have a dyno printout of the supercharger? Here is the supercharger in stock configuration (around 5.5 psi) compared to the turbo at 12.5 psi. https://www.miataturbo.net/attachmen...ger-torque-jpg Keith |
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Originally Posted by Twodoor
(Post 1167445)
I have stiffer engine mounts. Drivetrain movement isn't the problem, in a 5 speed it is easy, toward driver 1 & 2, middle 3 & 4, shove it to the left for 5.
With the 6 speed, shove it to the left and it is easy to go too far into the slot for reverse. Keith :D How come no graph from when you had that little 45 on the frappe setting? |
Originally Posted by good2go
(Post 1167506)
https://www.miataturbo.net/attachmen...ine=1410831506
:D How come no graph from when you had that little 45 on the frappe setting? You talking about a graph of the M45 at 9 psi? There is a whole thread about it here just a few spaces down from this thread: https://www.miataturbo.net/dynos-tim...ent-e85-78527/ Keith |
Whaaaaaat I just ran a 13.6 at 104 last week at the drags on a on much less power
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