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Donkey-MZR swapped NA

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Old 08-11-2016, 08:11 PM
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Ok, not this picture.

Donkey is getting a new heart, this time with a custom intake and Goodwin's RoadsterSport Max Power 1.8" header



Header needed some modification to fit the NA


And the Raceline drysump from the previous motor that some were asking about





Last edited by unk577; 08-11-2016 at 08:27 PM.
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Old 08-12-2016, 07:50 PM
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Today we updated the rear of Donkey with a tubular rear subframe and X-Lite rear upper control arms. Hope to have it back on the ground and on the dyno early next week


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Old 08-13-2016, 10:23 AM
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That tubular rear subframe is pretty sweet. What is the objective for it? Just being lighter than stock?
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Old 08-13-2016, 10:51 AM
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Did you fab the rear subframe yourself? I don't know of any vendor that sells them.
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Old 08-13-2016, 04:06 PM
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Stiffer, incorporates the differential mounts, more room for exhaust. We no longer use the PPF so the front mount for the differential is on the subframe as well. When V8R releases the subframe it will be available with the mounts for the differentials used in the LS and LFX swaps
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Old 08-13-2016, 10:57 PM
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Originally Posted by CalebMars
Did you fab the rear subframe yourself? I don't know of any vendor that sells them.
It may not be obvious, but unk557 there is V8Roadsters

Originally Posted by unk577
Stiffer, incorporates the differential mounts, more room for exhaust. We no longer use the PPF so the front mount for the differential is on the subframe as well. When V8R releases the subframe it will be available with the mounts for the differentials used in the LS and LFX swaps
Love it. My notes show the Getrag mount kit is ~9.5 lbs, which is on top of the stock subframe weight so this subframe probably has a good shot at saving Getrag guys a chunk of weight.
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Old 08-14-2016, 09:35 PM
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Originally Posted by unk577
Stiffer, incorporates the differential mounts, more room for exhaust. We no longer use the PPF so the front mount for the differential is on the subframe as well. When V8R releases the subframe it will be available with the mounts for the differentials used in the LS and LFX swaps
Might be a stupid question, but the wording is confusing my dumb ***. Does this mean that the subframe will not be offered for the standard NA/NB differentials? Ditching the PPF and gaining some rigidity would be lovely, and I'm sure anyone swapping an engine with native passenger-side exhaust routing that is still planning on retaining the stock differential housing would rejoice (K series swappers).

EDIT: Did some thinking and realized that using the stock transmission would require some sort of chassis-to-transmission brace to be able to remove the PPF. I got excited, and now I'm sad.

Last edited by CalebMars; 08-14-2016 at 09:55 PM.
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Old 08-14-2016, 09:39 PM
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Originally Posted by ThePass
It may not be obvious, but unk557 there is V8Roadsters
Doh. That explains all of the V8R goodies, haha.
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Old 08-14-2016, 10:59 PM
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Originally Posted by CalebMars
Might be a stupid question, but the wording is confusing my dumb ***. Does this mean that the subframe will not be offered for the standard NA/NB differentials? Ditching the PPF and gaining some rigidity would be lovely, and I'm sure anyone swapping an engine with native passenger-side exhaust routing that is still planning on retaining the stock differential housing would rejoice (K series swappers).

EDIT: Did some thinking and realized that using the stock transmission would require some sort of chassis-to-transmission brace to be able to remove the PPF. I got excited, and now I'm sad.
You still probably want to have the exhaust cross over to the drivers side, theres more room to get past the tranny and you wont have to worry about moving the fuel filter and stuff.
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Old 08-14-2016, 11:14 PM
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I'll talk to Shandelle and see if there will be a version for the stock differential and maintaining the PPF.

This car being what it is, it no longer has a PPF, instead it has a transmission crossmember like we use in the V8 &V6 conversions. Next time it is on the lift, I'll get some pics of the entire bottom side
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Old 08-15-2016, 10:54 AM
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Originally Posted by ThePass
It may not be obvious, but unk557 there is V8Roadsters



Love it. My notes show the Getrag mount kit is ~9.5 lbs, which is on top of the stock subframe weight so this subframe probably has a good shot at saving Getrag guys a chunk of weight.

Full disclosure, UNK is Brian, who would be a v8 roadsters employee if he didn't already have a job with a pension. :P shandelle is v8roadsters. he's the one making all this cool stuff.
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Originally Posted by Mobius
Hopefully so, but let's hope it's never necessary. Experiencing your safety gear in action is ... not optimal.
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Old 08-15-2016, 01:49 PM
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Originally Posted by OGRacing
Full disclosure, UNK is Brian, who would be a v8 roadsters employee if he didn't already have a job with a pension. :P shandelle is v8roadsters. he's the one making all this cool stuff.
Does that make you our pro?
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Old 08-15-2016, 03:02 PM
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Unk isn't Shandelle?? Mind blown.
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Old 08-15-2016, 04:34 PM
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Originally Posted by unk577
Does that make you our pro?
i'll take it! :P
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Originally Posted by Mobius
Hopefully so, but let's hope it's never necessary. Experiencing your safety gear in action is ... not optimal.
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Old 08-16-2016, 08:34 AM
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Originally Posted by unk577
I'll talk to Shandelle and see if there will be a version for the stock differential and maintaining the PPF.
This would be absolutely amazing if you could make this happen, I know myself and Psyber have already been drooling over the idea of one. So please make this happen! Im waiting on my front subframe from you guys right now, cant wait
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Old 08-16-2016, 09:15 AM
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Originally Posted by unk577
When V8R releases the subframe it will be available with the mounts for the differentials used in the LS and LFX swaps
I was conversing with the guy who used to have the blue LS powered track NB who is now building a LFX car (can't remember his name) again at MATG this year and he mentioned a possible group buy to kick the rear subframe project into high gear and get them on the market. Any word on if/when that can/will happen?
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Old 08-17-2016, 09:07 PM
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Buttoning everything up and hope to be on the dyno this week.


As old as Donkey is, there was some flex in the firewall. Master cylinder brace gave us a solid pedal.



Front end is together. X-Lite upper and lower control arms, V8R Ohlins TTX, 11.75" Pro Series brakes, and our tubular subframe



Rear end is together. Tubular rear subframe, X-Lite upper control arms, Pro series lower control arms, V8R Ohlins TTX, 11.75" Pro series brakes



Excuse the exhuast, it one of the last pieces from the original build. It will be addressed soon to go along with Good-win's max power 1.8" header


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Old 08-18-2016, 12:41 PM
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that sub frame looks so efing good.
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Originally Posted by Mobius
Hopefully so, but let's hope it's never necessary. Experiencing your safety gear in action is ... not optimal.
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Old 08-18-2016, 03:35 PM
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Originally Posted by OGRacing
that sub frame looks so efing good.
My car wants that subframe inside her.
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Old 08-19-2016, 07:32 PM
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Finally got around to putting the front splitter on. Still have to open up the ducting for the radiator. It will get put to use next weekend at Gridlife South.


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