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Thread: Retro Racing R build

  1. #481
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    I've been wondering if the writing has been on the wall for these motors. I have yet to run mine.

    Mazda, Porsche?

    Honestly, if it were me I would start getting measurements for an LS1...

  2. #482
    Sgt.Gator's Avatar
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    I'm not ready to throw in the towel yet...Saturday Retro will have his new drivetrain (not in an 818) in the 2-4-8 hour Enduro and I'll have my STI in the 2 and 4 hour Enduros. It should be some fun racing!
    "Good Judgement comes from Experience. Experience comes from Bad Judgement"
    Owner: Colonel Red Racing
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    818R ICSCC SPM and HPDE Rental at Oregon Raceway Park
    2005 Subaru STI Race Car ICSCC ST and SPM, NASA ST3
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  3. #483
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    Really sorry to hear about the engine issues, really sucks. For those running EJ engines there are some of us that are happy with our cars. Rob T has a really strong running engine (300+ hp) with a mild tune he had built in LA. Mine has been running great for 2.5 seasons (285whp)

  4. #484
    Sgt.Gator's Avatar
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    Retro just needs a better builder, like the guys who run in the BTCC!


    https://www.pistonheads.com/gassing/...f=23&t=1608962

    However they did order up 12 engines.....



    They use a wet sump + Accusump, or atleast they did in 2016. I don't know what they have for the 2018 season:

    Specs Here: http://www.teambmr.co.uk/btcc-subaru-levorg-gt-team-bmr

    But keep in mind the BTCC cars don't pull the Gs our 818Rs can. They weigh 2800lbs and run on 10" wide wheels. Also the downforce is a lot less than Retro has going.
    Last edited by Sgt.Gator; 09-27-2018 at 03:11 PM.
    "Good Judgement comes from Experience. Experience comes from Bad Judgement"
    Owner: Colonel Red Racing
    eBAy Store: http://stores.ebay.com/colonelredracing
    818R ICSCC SPM and HPDE Rental at Oregon Raceway Park
    2005 Subaru STI Race Car ICSCC ST and SPM, NASA ST3
    Palatov DP4 - ICSCC & SCCA Sports Racer and HPDE Rental at Oregon Raceway Park

  5. #485
    Senior Member C.Plavan's Avatar
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    Hybrid 2.3L Ecoboost motor...... (2.0L Case, 2.3L cranks and bits).

    https://adamtuned.myshopify.com/pages/crate-engines
    Last edited by C.Plavan; 09-29-2018 at 09:38 AM.
    Thanks- Chad
    818R-SOLD!!!- Go Karted 7/20/14/ Officially raced NASA ST2- 2/28/15
    2016 Elan NP01 Prototype Racecar Chassis #20
    1969 Porsche 911ST Vintage Race Car
    1972 Porsche 911T (#'s matching undergoing nut & bolt resto in my garage)

  6. #486
    Senior Member Hobby Racer's Avatar
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    Any news on the uppy-downy engine replacement?
    MK3.1 Roadster completed 2011
    818R built with EZ36R H6 completed 2018

  7. #487
    Senior Member Frank818's Avatar
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    Yeah plz some news, it's been months.
    Frank
    818 chassis #181 powered by a '93 VW VR6 GT3582R ~400whp/wtq+
    Go-karted Aug 5, 2016 - Then May 19+21, 2017
    Tracked May 27/July 26, 2017

    Bulid time, including registration 3283.5h in 148 work week time and 3.5 years elapsed

  8. #488
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    Sorry, been busy finishing the Kmiata and cutting up our 818. We will have some pics soon, but let me tell you, it's tight! Due to the fact we could not get the integral dry sump kit for another year, we had to go traditional, which meant we had to move some steel, and box the fire wall around the DS drives. Changing a belt will mean removing the engine, but considering if we lose a belt, we lose the engine, kinda not a big deal.
    The delay is in receiving parts, we have had the engine and mounts ready to go for months now. We decided to use our VF turbo, so we had to make an adapter....hope you all like it when you see it, our exhaust valve to turbo distance is only 8".....

    If we have issues with the turbo version of this setup, we will probably cut bait and go NA with a stroked K27, which we know we can just buy and have 400 crank hp for about what we spent on our last EJ2.3 stroker. The turbo version of the stock K24 should have over 350whp at 8psi.

  9. #489
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    Looking forward to seeing the progress.

  10. #490
    Sgt.Gator's Avatar
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    Quote Originally Posted by RetroRacing View Post
    If we have issues with the turbo version of this setup, we will probably cut bait and go NA with a stroked K27, which we know we can just buy and have 400 crank hp for about what we spent on our last EJ2.3 stroker. The turbo version of the stock K24 should have over 350whp at 8psi.
    OMG, if you can make it last for 25 hours!
    https://honda-tech.com/articles/insa...engine-at-pri/

    "Good Judgement comes from Experience. Experience comes from Bad Judgement"
    Owner: Colonel Red Racing
    eBAy Store: http://stores.ebay.com/colonelredracing
    818R ICSCC SPM and HPDE Rental at Oregon Raceway Park
    2005 Subaru STI Race Car ICSCC ST and SPM, NASA ST3
    Palatov DP4 - ICSCC & SCCA Sports Racer and HPDE Rental at Oregon Raceway Park

  11. #491
    Senior Member Hobby Racer's Avatar
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    Quote Originally Posted by RetroRacing View Post
    The turbo version of the stock K24 should have over 350whp at 8psi.
    Did I miss the announcement? Sounds like you are going with a stock Honda K24 with a turbo?
    MK3.1 Roadster completed 2011
    818R built with EZ36R H6 completed 2018

  12. #492
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    Yup, stock with turbo. The adapter will be here this week, so it's fittin time! Yes, we could go down the 400hp N/A route, but considering we have a few VF28's already tricked out, seemed to be the way to go. So far, we had to clock the turbo onto it's side with a manifold adapter so we will see how that fits....valve springs, timing chain kit and dry sump is all we are doing to start out with.

  13. #493
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    We want to make some room in the shop, so here is what we have.
    EJ207 ver 5 RA
    Cosworth pistons, Mahle rods, new stock crank, new rings, water pump mod, new oil pump, new timing belt, no turbo, ceramic coated Perrin up pipe with blanket, Coated Perrin EL header, remote filter boss (10an), stock RA cams and heads, dash 10 head vents, DS oil pan (-12 fittings), 750cc injectors, dash 6 fuel rails,
    This engine ate new bearings after 10min on the dyno, but did pull 285whp at the wheels at 12psi

    EJ207, ver 5 RA stroked to 2.3l
    OMG pistons and rods, stage 2 cams and valve springs, RA heads (ported), billet dry sump pan (-12 fittings), no turbo, new stainless Perrin up-pipe, no header, new timing belt (less than 3 hours) water pump mod, high volume oil pump (either 12mm Cosworth or 11mm blueprinted) king racing bearings
    This engine blew a head gasket after a bad fix by the engine builder. Needs to be torn down and cleaned, then put back together. This engine pulled 310whp at 10psi.

    We also have the full wiring harness to Racepak ECU, including boost control module for one engine. This harness is literally, plug and play. WE can include the IQ3 display as well, with the separate data logging module. We also have some spares (new and used) that we haven’t inventoried.

  14. #494
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    Quote Originally Posted by RetroRacing View Post
    We also have the full wiring harness to Racepak ECU, including boost control module for one engine. This harness is literally, plug and play. WE can include the IQ3 display as well, with the separate data logging module. We also have some spares (new and used) that we haven’t inventoried.
    PM Sent

  15. #495
    Tazio Nuvolari wannabe Scargo's Avatar
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    What do you mean by "OMG, if you can make it last for 25 hours!" Is that all some/most are getting out of an EJ25*?
    Perhaps I'm misunderstanding the context but I've got 40 hours on my EJ257 with 470 AWD HP (Mustang dyno) in my STi track car and I take it regularly to 7,500~8K. I'm going to run it a while longer!
    Of course I also have Subie track buddies who have fared far worse and got less or much less than 25.
    "Scotty, give me all the TRACTION she's got!" Pictures of what I drive till 818R is finished

  16. #496
    Senior Member STiPWRD's Avatar
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    Quote Originally Posted by Scargo View Post
    What do you mean by "OMG, if you can make it last for 25 hours!" Is that all some/most are getting out of an EJ25*?
    Perhaps I'm misunderstanding the context but I've got 40 hours on my EJ257 with 470 AWD HP (Mustang dyno) in my STi track car and I take it regularly to 7,500~8K. I'm going to run it a while longer!
    Of course I also have Subie track buddies who have fared far worse and got less or much less than 25.
    25 hours of thunderhill?

  17. #497
    Sgt.Gator's Avatar
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    Scargo, yes you missed the context of my comment, Retro's car is built to win the 25 Hours of Thunderhill.
    "Good Judgement comes from Experience. Experience comes from Bad Judgement"
    Owner: Colonel Red Racing
    eBAy Store: http://stores.ebay.com/colonelredracing
    818R ICSCC SPM and HPDE Rental at Oregon Raceway Park
    2005 Subaru STI Race Car ICSCC ST and SPM, NASA ST3
    Palatov DP4 - ICSCC & SCCA Sports Racer and HPDE Rental at Oregon Raceway Park

  18. #498
    Senior Member Frank818's Avatar
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    Thunderhill... I prefer that to "Thunder Hollow"! (some may not make the connection here, like Retro did with his new engine I'll let you guys guess what I meant loll)


    Retro! What is tight exactly in the engine bay, which areas?
    Frank
    818 chassis #181 powered by a '93 VW VR6 GT3582R ~400whp/wtq+
    Go-karted Aug 5, 2016 - Then May 19+21, 2017
    Tracked May 27/July 26, 2017

    Bulid time, including registration 3283.5h in 148 work week time and 3.5 years elapsed

  19. #499
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    will send pics next week, we are fitting it on Saturday for real. BTW, forgot to mention, we have the dry sump system (less the tank) as part of our liquidation of everything Subaru engine wise.

  20. #500
    Senior Member Frank818's Avatar
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    I hope the fitting went well and a lot easier than mine!
    Can't wait for those pix to show up... pretty sure I'm not the only one.
    Frank
    818 chassis #181 powered by a '93 VW VR6 GT3582R ~400whp/wtq+
    Go-karted Aug 5, 2016 - Then May 19+21, 2017
    Tracked May 27/July 26, 2017

    Bulid time, including registration 3283.5h in 148 work week time and 3.5 years elapsed

  21. #501
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    having trouble posting lately, but FYI, we have the engine mounted!! Now onto firewall replacement and plumbing mock up, then engine back out of the car for some new valve springs (to safely rev to 8000+) and timing upgrade.
    Will post picks when I get a chance

  22. #502
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    Hey Retro, great thread with lots of info and unfortunate events. Glad you are still pursuing with a new engine.
    What are your thoughts with going with 15" wheels on the front? Was there a noticable difference with turn in and overall handling?
    What were the offsets for your wheels?
    Thanks

  23. #503
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    The 15" front wheel package is MUCH better, can now get the car low enough while maintaining clearance to the fenders, and, much better turn in. I believe ours are 40mm offset, 7", with some hubcentric spacers which I believe are 10mm, but I will check again and post. Personally, I think this is the way to go for an R, better all around.
    We have the engine in the car and the firewall almost done. Need to remove the engine this weekend so we can weld in the new bracing and complete the engine upgrades. The turbo was fun, using the cast manifold, our turbo is maybe 10" from the valves, so should have wicked response. Plumbing is pretty much figured out, as is the exhaust.

    Hope to have it fired up in the car in the next 30 days, on track in April for testing. Will post pics when we have better ones.

  24. #504
    Senior Member Hobby Racer's Avatar
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    Quote Originally Posted by RetroRacing View Post
    The 15" front wheel package is MUCH better, can now get the car low enough while maintaining clearance to the fenders, and, much better turn in. I believe ours are 40mm offset, 7", with some hubcentric spacers which I believe are 10mm, but I will check again and post. Personally, I think this is the way to go for an R, better all around.
    What brake and rotor combination are you running up front that allows you to use 15" rims? I have 15's on my Lotus Elise and they are great for getting the nose down. Lots of tires to chose from as well since that's a favorite size for MX-5's.
    MK3.1 Roadster completed 2011
    818R built with EZ36R H6 completed 2018

  25. #505
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    Quote Originally Posted by Hobby Racer View Post
    What brake and rotor combination are you running up front that allows you to use 15" rims? I have 15's on my Lotus Elise and they are great for getting the nose down. Lots of tires to chose from as well since that's a favorite size for MX-5's.
    I'm interested in this too.

    I'm interested in a lot of things...like
    More info on your tires (40 or 50 series) ?
    Where you purchased your tires?
    You know...the usual
    Last edited by dwgcooks; 02-15-2019 at 02:37 AM.

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