 Out with the old...in with the new...Britain's Racecar Development, Subaru Engine, Lotus Suspension! Time to go racing! |
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| Britain Smith |
 Dec 6 2010, 11:33 AM
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Nano Member  Group: Members Posts: 2,354 Joined: 27-February 03 From: Hillsboro, OR Member No.: 364  |
For those who don't know me or the car, I have a '74 914 that is a dedicated AX car. It previously had a high compression 2.7 6-cylinder motor and made 205hp/205ft-lbs at the wheels. This set-up wasn't all that bad considering that it won the 2008 and 2009 914 Shootout events, however the quest for more speed continues.
Here is the car in the 2010 season trim. (IMG:http://www.914world.com/bbs2/uploads_offsite/dragracevws.com-364-1291656786.1.jpg) I have recently sold the 2.7L 6-cylinder engine and all the remaining 914/6 conversion parts. I have used the proceeds to fund the conversion to Subaru power. Now most would say that a Subaru conversion can be done on a budget, however I have found that the money goes flying out the window when doing something like this. Regarding the engine...logical choice would be to go for a EJ257 2.5L USDM STi engine. However, all the SCCA rules for AX are built around displacement which in turn dictates the minimum weight. Therefore, I have gone with a JDM STi version8 Spec-C engine which is a 2.0L, twin-scroll, hand ported/polished, 8500rpm animal. I will get slightly less hp and torque numbers than the 2.5L, but save 150lbs of weight. |
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Posts in this topic
Britain Smith Out with the old...in with the new...Britain's Racecar Development Dec 6 2010, 11:33 AM
Zaney Awesome :first:
This engine combo is leading th... Mar 5 2011, 09:59 PM Britain Smith The car is officially ready to go. All the body pa... Mar 7 2011, 01:05 AM
sawtooth Congrats! :beer1: First drive is the best eve... Mar 7 2011, 02:05 AM BMXerror :popcorn:
Mark D. Mar 7 2011, 10:53 AM Andyrew That is QUICK!
Congrats!
Looks like gr... Mar 7 2011, 11:35 AM Randal Congratulations Britain. That was only partial th... Mar 7 2011, 12:03 PM Britain Smith Spent the entire day today at Cobb Tuning Surgelin... Mar 8 2011, 12:18 AM Randal
Spent the entire day today at Cobb Tuning Surgeli... Mar 8 2011, 11:37 AM Andyrew Dyno sheet? Those are some respectable numbers... Mar 8 2011, 12:37 AM Britain Smith Didn't get them tonight...should get a copy to... Mar 8 2011, 12:39 AM pktzygt Impressive! I'm doing a JDM ej20g with a b... Mar 8 2011, 07:48 AM Britain Smith Hey Randal.
To answer your questions.
1. The ele... Mar 8 2011, 03:44 PM DukeTrout
4. The AVCS requires a neutral position switch... Mar 11 2011, 03:26 PM Andyrew That sounds a lot like the issue I had on my setup... Mar 8 2011, 03:54 PM BMXerror Great opening numbers, Brit! :headbanger: Are... Mar 9 2011, 09:42 PM Britain Smith Hey Mark. I don't have the torque curves on h... Mar 9 2011, 11:08 PM plays with cars Hmmmm.... 1700lb car + 330whp motor = :woohoo: :... Mar 9 2011, 11:58 PM ChrisNPDrider What's up with the Subby conversion guys posti... Mar 11 2011, 04:08 PM Britain Smith Round 2 on Monday afternoon. The speed sensor is ... Mar 11 2011, 05:09 PM DBCooper Like a light switch, huh? I told you you were goi... Mar 14 2011, 06:52 PM BMXerror
...Funny thing is you didn't SEEM like a craz... Mar 14 2011, 07:52 PM Britain Smith Went well. Still dealing with boost controller is... Mar 14 2011, 11:41 PM DanT details :D Mar 14 2011, 11:50 PM Downunderman You should keep a close eye on your fuel plumbing ... Mar 15 2011, 12:21 PM Britain Smith Howard....thanks for that tip. I built the entire... Mar 15 2011, 02:52 PM messix
Howard....thanks for that tip. I built the entir... Mar 15 2011, 03:34 PM Downunderman I would try ATL. I'm off to Phillip Island th... Mar 16 2011, 12:12 PM Downunderman Bugger, heads are porous. Now spectating. Mar 16 2011, 05:12 PM bfrymire Britain,
When is your first autocross? I am real... Mar 28 2011, 11:43 PM FourBlades Very educational build. :trophy:
Take off the ... Mar 29 2011, 07:11 AM Britain Smith Few updates.
I was having some issues with the Ve... Apr 7 2011, 12:35 AM cary Congrats on the progress. Apr 7 2011, 06:54 AM J P Stein
Congrats on the progress.
Yeah, it'd be gre... Apr 7 2011, 07:53 AM Walter Nice speed sensor solution Britain!
Most use t... Apr 7 2011, 11:15 AM Britain Smith Yes, but in this case the actually speed is relati... Apr 7 2011, 11:29 AM DBCooper And... how's it all going? Apr 26 2011, 03:51 PM Britain Smith All is going well actually...thanks for asking. I... Apr 26 2011, 05:37 PM sawtooth Fantastic video, that looks like way too much fun.... Apr 28 2011, 12:04 PM McMark I would bet that a simple jacket of foil lined ... Apr 26 2011, 05:47 PM Downunderman Perhaps the issue with the brake balance is that t... Apr 26 2011, 05:48 PM Britain Smith Please explain this comment?
The front brakes are... Apr 26 2011, 05:53 PM McMark From the Brakes FAQ by the brilliant Lapuwali...
Apr 26 2011, 05:56 PM Downunderman Yes it is. The issue is weight transfer and line ... Apr 26 2011, 07:13 PM Downunderman Apologies. I misread your post. Your proposition... Apr 26 2011, 07:57 PM J P Stein You can produce more line pressure with the smalle... Apr 26 2011, 08:50 PM kg6dxn I would just add a proportioning valve in the tunn... Apr 26 2011, 09:41 PM Chris Hamilton
I would just add a proportioning valve in the tun... Apr 26 2011, 10:19 PM charliew Did you mention the highest coolant temperature yo... Apr 26 2011, 09:58 PM charliew But I bet as a last resort he could put a bypass v... Apr 26 2011, 10:44 PM Britain Smith Hey guys...I appreciate the insight.
Regarding t... Apr 26 2011, 11:27 PM Walter A hot fuel tank is usually the result of an EFI en... Apr 27 2011, 02:04 AM Britain Smith
A hot fuel tank is usually the result of an EFI e... Apr 27 2011, 10:10 AM J P Stein I was told that the front of the tank is hot while... Apr 27 2011, 06:31 AM DBCooper Would never disagree with KISS solutions but would... Apr 27 2011, 07:48 AM Britain Smith
But you know what I most want to know is if that... Apr 27 2011, 10:12 AM Downunderman Brit,
I suspect that you will have a great time t... Apr 28 2011, 01:45 AM J P Stein
Brit,
I suspect that you will have a great time ... Apr 28 2011, 07:18 AM Britain Smith As an engineer sometime the solution to a particul... Apr 28 2011, 11:42 AM bfrymire
As an engineer sometime the solution to a particu... Apr 28 2011, 01:25 PM Britain Smith Yea, that would work as well. I like this solutio... Apr 28 2011, 02:15 PM ChrisNPDrider The development never stops! :beer2:
While t... Apr 28 2011, 03:04 PM J P Stein
I don't envy your situation with the big sw... Apr 28 2011, 03:31 PM Britain Smith The 14psi boost was not spike, that was sustained ... Apr 28 2011, 03:12 PM BMXerror There's something to be said for racing in les... Apr 28 2011, 07:32 PM Randal Directly from Facebook:
Britain Smith
Great day a... May 1 2011, 10:03 PM Britain Smith Yes, thanks Randal. Great day at the AX, car stay... May 1 2011, 10:49 PM dlo914
Yes, thanks Randal. Great day at the AX, car sta... May 6 2011, 10:12 AM J P Stein Indeed, on your 4th run when you came into my view... May 1 2011, 11:35 PM Britain Smith Ok guys, it is late and I am going to bed...but be... May 6 2011, 01:21 AM Randal
Ok guys, it is late and I am going to bed...but b... May 6 2011, 10:20 AM Britain Smith If you were wondering, the 2-speed transmission wo... May 6 2011, 01:23 AM DBCooper Wow, you were right, it's a rocket! And y... May 6 2011, 09:28 AM PeeGreen 914 Holy crap Britain :woohoo: . I know the national l... May 6 2011, 09:58 AM Britain Smith Thanks guys...like I mentioned in my post last nig... May 6 2011, 10:42 AM ChrisNPDrider Awesome :beer2:
:drooley: May 6 2011, 02:07 PM charliew Just my be prepared idea but why not get a 18 psi ... May 6 2011, 04:12 PM Britain Smith The tune is good up to 18psi and there is no reaso... May 6 2011, 04:18 PM J P Stein IMO Brit needs more rear tire to handle 14 PSI, mu... May 6 2011, 09:05 PM grantsfo
It appears to me that the driving style of the t... May 26 2011, 02:29 PM Britain Smith Sorry for the lack of updates guys, been really bu... Jun 2 2011, 01:16 PM Britain Smith Despite the work I had done to the fuel system, I ... Jun 14 2011, 05:42 PM DBCooper I am very happy with the results and now I can ret... Jun 14 2011, 05:52 PM Britain Smith Many Thanks.
It was actually quite frustrating th... Jun 14 2011, 05:58 PM ChrisNPDrider
After running the car through 16 runs at the last... Jun 14 2011, 08:39 PM Britain Smith Here is a video from the last event taken with a f... Jun 16 2011, 03:15 PM PeeGreen 914 Looks and sounds great :headbanger:
Awesome venu... Jun 16 2011, 03:23 PM Britain Smith Yea...venue sucks. The car is actually a bit to s... Jun 16 2011, 03:26 PM Britain Smith Here is in-car video from the same run. Little di... Jun 16 2011, 08:52 PM jzdu Looking forward to seeing you run down here Jun 16 2011, 09:55 PM Britain Smith Well, it has been a while since I have updated thi... Jul 25 2011, 11:25 PM Britain Smith Now it is preparation time for Nationals. Due to ... Jul 25 2011, 11:33 PM Britain Smith So, this brings me to the topic of my next project... Jul 25 2011, 11:50 PM cantgo2fast Wow this is a fantastic build just read the whole ... Jul 26 2011, 01:33 AM Britain Smith Yea, I would love to get more information on a rea... Jul 26 2011, 10:19 AM andys Britain,
Have you perhaps considered grafting in ... Jul 26 2011, 01:20 PM Britain Smith
Britain,
Have you perhaps considered grafting in... Jul 26 2011, 02:37 PM ChrisNPDrider photos!!
Great job so far, and good luck g... Jul 26 2011, 01:54 PM cantgo2fast Heres the write up on the wing development. It... Jul 26 2011, 02:02 PM Britain Smith
Heres the write up on the wing development. It... Jul 26 2011, 02:40 PM  |
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