
K_arlstrom
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Everything posted by K_arlstrom
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Current state of the game for single turbos
K_arlstrom replied to Lithium's topic in Engines & Forced Induction
Full-race got the 8474 compressor map on their site now https://www.full-race.com/store/borg-warner-efr/turbos-efr-series/borgwarner-efr-8474-turbo-12747100019/- 53 replies
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- turbo
- borg warner
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(and 3 more)
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dual vs single entry fuel rail
K_arlstrom replied to Murray_Calavera's topic in Engines & Forced Induction
I agree with the calculations above, and stock fuelrail (rb26) is even larger. 17 or 18mm if I remember correctly. -
Powersteering Rack Question R32 HCR32
K_arlstrom replied to R324u's topic in R Series (R30, R31, R32, R33, R34)
Both sides of the banjo pipe are M12x1.0 on the BNR32 rack -
Powersteering Rack Question R32 HCR32
K_arlstrom replied to R324u's topic in R Series (R30, R31, R32, R33, R34)
Here, have a better picture. Got it on my bench right now (GTR model, just assume it's the same). I'll look at it tomorrow and get back with thread/pitch for the rack-side of the banjo pipe -
Found this interesting to watch, maybe should be put in a sticky thread?
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Can't edit the original post, oh well. Shipping If this succeeds, shipping to European customers will get handled by Wavetracs European distributor. If there is interest from people in other areas, I'm certain they will be able to solve that too. (added bonus, I don't have to pay for all 25 units and be a middle man) Delivery time Expected 120 days / 3 months after enough people have shown interest to warrant a production run. Durability & Warranty They have customers running over 1000hp through their smallest diffs like the EVO, Civic, and GTR front with no problem, and those have the smallest internals. This one is the next size up. Lifetime Transferable Warranty. Price Expected to be the same as their other offerings, USD $1395 Regards Jonas
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I've been in touch with Wavetrac about a front differential for RB engines. All reviews I've seen on the internet have been positive about it, for those of you who don't know what makes it special, take some time and read on their page. Wavetrac® Differential - A torque biasing differential with a difference TD,DR It's a helical differential combined with friction discs, if you lift the inner wheel it will still send power to the other without all the issues of running a mechanical LSD in the front. They need 25 pre-orders to make it happen, I'm one so that means we need 24 more. Will get back with more details regarding price, warranty, durability and if they will be able to handle individual shipping. Excuse me if this is in the wrong forum section. Regards Jonas
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Borg Warner EFR Series Turbo's V 2.0
K_arlstrom replied to Piggaz's topic in Engines & Forced Induction
I have to wait for the 8474 release now, no big deal since I'm so slow with the rest of the progress..? -
Need help with r32 bearing
K_arlstrom replied to Jesseraayy's topic in Suspension, braking, tyres and drivetrain
Bumping this thread, trying to get out the hub out from the knuckle after removing the entire assembly from the car... I clamped the knuckle to a piece of wood, stood on it and went at it with my sliding hammer as hard as I could. Nothing besides me and the entire knuckle/wood thingy moved a single mm. Just want to verify, the snap-rings are only there to hold the bearing, right? Any options besides more heat, more lube and more force? -
Got a lot of stuff I dont need any more, would be happy to give someone a package deal to clear up space and increase car funds from 0. All parts are off my late -93 R32 GTR. Apexi power fc with commander MINES ecu Presumably stock ECU with kakimoto racing sticker on it Z32 AFM's with hard pipes and HKS filters (painted black now to match the rubber) Original AFM's, mounting tabs are damaged on one of them but both were OK when I removed them Stock ignition coils with mounting aluminum thingy Stock ignition amplifier Aerocatch hood/panel fasteners, carbon look, recessed version Might have some more things I want to get rid off, will update if I find anything. I have no idea what's reasonable regarding pricing, saw another Apexi that got sold for 700 aud, so lets say 700 aud including shipping for mine (excluding import fee's). The rest? Give me a reasonable offer and I will get back to you, also open to offers on the Apexi. Shipping for "5 kg/110 cm" is 99 aud, smaller is cheaper..
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Reimax oilpump, fits like a sausage in a swimming pool
K_arlstrom replied to K_arlstrom's topic in General Maintenance
MrStabby, if you look at the next page you see where/how to measure "point 5" Inner gear and housing flange clearance, 0.045·0.091 -
White Engine Bay Pic for RB26 R33 GT-R
K_arlstrom replied to DJBarnstar's topic in R Series (R30, R31, R32, R33, R34)
My 32, not a single yet but should be enough to show your painter since it's atleast a 26 (Don't worry, all bare aluminum is bead blasted now to look the same. Engine out and sorting the rest of the ugly bits too) -
Limits of stock 5/16" (8mm) fuel lines
K_arlstrom replied to 5-0 Ignite's topic in Engines & Forced Induction
Teflon hoses and as straight and short as possible aluminum pipe. Fuelab 41402 pump, dont know what gallons they used in the attached chart, but it should suffice any day of the week ? (got a vision/goal of everything being able to handle 500 awkw on E85) My rough calculation told me I would end up with a 3 psi drop, but anything below 5 feels acceptable. Someone should sticky this thread -
Limits of stock 5/16" (8mm) fuel lines
K_arlstrom replied to 5-0 Ignite's topic in Engines & Forced Induction
Wow! Thats awesome information, tried to guestimate/calculate the same thing when I refreshed my fuel system, but it ended up a bit low compared to the real numbers you found! Attached image is of stock fuelrail inlet/outlet vs AN8 fitting... Notice the sharp and narrow left connection? Got myself some AN8 lines in the end, should be enough for me and my 530 LPH pump -
Reimax oilpump, fits like a sausage in a swimming pool
K_arlstrom replied to K_arlstrom's topic in General Maintenance
Fairly similar from what I can find, not close enough to stop it from lashing back and forth. They state that it's normal, but they didn't want to give any recommended clearance or warranties, "If it works, it works, we got out money" is how I read their reply. Old pump didn't break, but were visibly worn where it's reported to break. Since I'ts an engine out job, and the pump had bits of bearing in the cogs, I wanted a solid replacement to never have to think about it again. Anyways, everyone who has read the thread seems to be ok with Reimax gears and the, IMHO, massive clearance. Keep an eye out for it at a bargain price on ebay ;) -
Reimax oilpump, fits like a sausage in a swimming pool
K_arlstrom replied to K_arlstrom's topic in General Maintenance
Not stock, no, but the N1 pump that's been in the last 8000 Km. N1 got somewhere just over 0.30mm but it still showing signs of wear on the edge where it usually breaks. I want to feel "safe" pushing the engine, and since the pump had to be replaced or upgraded, I thought "better safe than sorry" and bought the salespitch. The gear might be up to the task, but it just seems too much. So, for all you who prefer thou to mm, reimax: ~18 thou and N1 ~12 thou. -
Reimax oilpump, fits like a sausage in a swimming pool
K_arlstrom replied to K_arlstrom's topic in General Maintenance
Shameless bump to see if it's possible to start the discussion. Got a reply today where they claim this is as intended, would you feel ok with this much play? -
Since their answer regarding my issue has taken over a week, I feel that a heads up regarding reimax oil pump gear clearance is justified. Found some old threads with this issue, then some newer ones stating that it's fine, and went for the "cheap" solution. This is the fitment of the uprated oil pump (over 0.45mm, got a 0.05 feeler gauge blade stacked beneath) on a brand new crank. Let me know what your experience has been with Reimax or similar solutions! Now, I'm waiting for a spline drive kit.. Don't do the same mistake as I did, the expensive solution will just cost even more (I lost oil pressure which led to bearing failure, and the crank needed a lot of work to be ok again. Someone, at some time, fitted a narrow nose crank in my late -93 R32. The oil pump chewed some small pieces of the bearing so it too had to be replaced or repaired.)
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Borg Warner EFR Series Turbo's V 2.0
K_arlstrom replied to Piggaz's topic in Engines & Forced Induction
Maybe it's like example 3 in this manual? (where I stole the other picture) http://www.turbosmart.com/wp-content/uploads/2012/06/TS-0506-1001_Hypergate45_MAY_12_rev-2.pdf -
Borg Warner EFR Series Turbo's V 2.0
K_arlstrom replied to Piggaz's topic in Engines & Forced Induction
Been writing with Piggaz in PM (he is running a 2.8 vs my oversized 2.6), and he thinks the 0.92 is way to small. You have some good points, but fabricating the downpipe/WG-return won't be an issue, even if I like the simplicity with the integrated one. For now the 1.05 is ahead. Did my homework on matchbot and I would get away with a 40mm unit even for low boost, no need for dual 60mm screamers RICE: phase + anti phase capsule control? Like the attached image? -
Borg Warner EFR Series Turbo's V 2.0
K_arlstrom replied to Piggaz's topic in Engines & Forced Induction
I'm looking at a top mount single on a 6-boost manifold for next summer, the RB26 should be able to handle pretty much anything I throw at it (fully forged etc). Currently got two N1 ball bearing turbos, a bit over 400rwhp and it's not enough It will be used as a summer toy, some trackdays, dragrace and whatever sounds like fun. The issue is that I still want it to be useable on the road to get to car meets and hang out, or just go on a cruise in the sunset/sunrise. EFR 8374 is the one I'm looking at, but I'm having a hard time deciding what size would be the perfect match for my engine, don't want to loose that much response Soo... whats the conclusion among all you experienced people? 0,92 A/R internal gate VS 1,05 A/R external IF 1,05 A/R, worth it to go with two gates to keep it "true" twinscroll? Aluminum CHRA VS steel, how much difference does it make for the manifold? -
I found a lot of lovely rust, even more than expected, and my new crank got lost during shipping with no refund possible for some months Sooo, it will take some time (personal goal, summer 2019). Also found out that the car most likely has been in a crash and repaired, not too satisfied with the welding I've found and will do it properly. Might do a full seamweld while I'm at it, pretty much down to a bare shell instead of assembling right now! Consider this thread delayed but not forgotten
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Got front and rear subframe powdercoated, ordered every hardrace bushing that would fit, the 20th of april, but guess the joke's on me since there was a mixup and I'm still waiting. Had to get some nismo items too, and ended up with gktech conversion bushes (poly) for the actual subframe. Looking forward to see if I notice any difference in the end, this has made me realize how I hate waiting! Let me know if you want any more update on this