Author Topic: r150f strength test (Read 9399 times)

187unlimited · « **on:** Apr 10, 2019, 04:09:01 PM »

Hello forum folks, new guy here and just wanted to put to bed any questions regarding how tough an r150f can be. My vehicle is a 92 4runner, swapped a 1jzgte single turbo. Haltech Elite 2000, ID 1000cc, Borg Warner SXE 62mm, Aeormotive fuel system, currently running e100, Dyno tested @ 540hp 560tq @17psi. (on the wastegate) Trans. is a fresh r150f, clutch is a Six States built 6puck unit, I used Marlin upgrades such as hardened thrust washers and bearing retainers, new bearings and syncros. Rear diff. is Toyota 8 with Yukon 4.11 micro polished gears and a converted 29 spline pinion. Also has the Yukon LSD. I have heard this and that about the r150 so I wanted to find out for myself before i swap to the th400. I recently drove the truck to Vegas, (pulling a trailer from Utah) swapped the tires to Nitto 28/10.50/15 drag radials and gave it the beans.

Haltech Launch Control set at 4200rpm, dropped the clutch and away i go. Trans. felt solid, truck went down the track and ran a 12.40 @ 114mph. So these are fairly stout transmissions. My next mission is to add more power and raise the Launch control to 4800. (I am actually trying to break the trans.) I want to know how tough they really are. Currently adding another pump so i can raise the boost without suffering fuel pressure loss.(ethanol requires alot of volume.) Will dyno tune again and give it another go. Target hp is 700 and 700tq.

Will keep you posted. best regards.

OVRAROK · « **Reply #1 on:** Apr 10, 2019, 05:13:04 PM »

WOW...

:)bestgen4runner · « **Reply #2 on:** Apr 10, 2019, 06:27:18 PM »

Wainiha · « **Reply #3 on:** Apr 11, 2019, 10:46:08 AM »

sub'd

ADIGA84 · « **Reply #4 on:** Apr 11, 2019, 03:32:47 PM »

i got the same issue & the same engine and trans, i would like to know too how much it can holds HP with that high TRQ .. interested

Dingman. · « **Reply #5 on:** Apr 12, 2019, 08:11:26 AM »

Well we need pictures/documentation of this truck!

187unlimited · « **Reply #6 on:** Apr 12, 2019, 02:57:25 PM »

im new here so it wont let me post pictures but i will figure it out.

:)bestgen4runner · « **Reply #7 on:** Apr 12, 2019, 04:42:02 PM »

Quote from: 187unlimited on Apr 12, 2019, 02:57:25 PM

im new here so it wont let me post pictures but i will figure it out.

Get Your post count up to 12 and it should work fine.

emsvitil · « **Reply #8 on:** Apr 13, 2019, 04:42:38 AM »

OVRAROK · « **Reply #9 on:** Apr 13, 2019, 11:59:37 AM »

Quote from: 187unlimited on Apr 12, 2019, 02:57:25 PM

im new here so it wont let me post pictures but i will figure it out.

Try tapatalk. Super easy.

187unlimited · « **Reply #10 on:** Apr 13, 2019, 03:49:20 PM »

As soon as i get my Turbo manifold back, (its being ceramic coated,as well as the turbo housing, keeps the heat in check,) I will swap the fuel pumps with bigger ones, (Walbro 450s) the retune it. I have a dyno jet 224x. i will see how much the injectors can take before i run out. 85% is considered max. otherwise you lose control of the fuel and potentially hurt the engine. Then i will head to Boise ID. and try again. Im actually hoping the trans. hold up because i like that its all Toyota and that i can drive it wherever and do whatever. And rebuilding the 150f is easy. Same platform as the r154. Trying to make a statement about how tough these rigs are. No one has really tested them or known. All speculation. So i will be that guys ha. keep you posted.

:)bestgen4runner · « **Reply #11 on:** Apr 13, 2019, 04:16:58 PM »

I predict broken input shaft, depends on how hard you launch it.

187unlimited · « **Reply #12 on:** Apr 13, 2019, 04:24:52 PM »

I was expecting the same. I launched at 4200 on the 2step. no tire slip. which i was hoping for ha. not sure what hp is on the launch control. so we will see.

:)bestgen4runner · « **Reply #13 on:** Apr 13, 2019, 05:37:22 PM »

I have seen a 90's extra cab on 31's dry pavement running a 3.0L rev to the moon then side step the clutch. Snapped the input shaft right off. It wasn't Me. Some drunk guy at a party trying to show off.

187unlimited · « **Reply #14 on:** Apr 13, 2019, 07:45:39 PM »

i once got a little happy on my 33 BFGs on asphalt and sheared the ring and pinion. bet i dont do that again ha. i weighed the BFGs vs the NITTO drag radials, there is like 117lbs. difference. Thats a lot of rotating mass. Plus those mud tires really bite on asphalt compared to race tires.

Dingman. · « **Reply #15 on:** Apr 13, 2019, 07:50:53 PM »

Different animal all together. But I had the r150 behind a 3.4 swapped 2nd gen 4Runner and the only thing I ever had issues with is the ring and pinions on 35”s-40” tires driving like a race car all the time.

187unlimited · « **Reply #16 on:** Apr 13, 2019, 07:56:27 PM »

im beginning to feel pretty confident in the trans. was thinking i would have to adapt something else in to hold the power. but so far i have only broke everything else ha. in 4 low i think you would really have to bind it up to break anything. like axle bind or something. but that still isnt really a trans. issue.

T-Revv · « **Reply #17 on:** May 09, 2019, 03:38:02 PM »

following. very curious how this turns out

chaddawkins · « **Reply #18 on:** May 11, 2019, 11:44:06 PM »

187unlimited · « **Reply #19 on:** May 13, 2019, 08:52:24 PM »

well here are my findings, after beating on the trans on the drag strip the only thing wrong with it is sloppy shifting, probably just wore out the syncros a bit. but most of all the clutch is shot. so multiple launches at nearly 5 grand and 500+ horsepower the trans. did not/would not break. i know that you all are crawlers so this was a bit odd but i just wanted to know. now we all know that the r150f is a REALLY strong trans if built right. now if anyone ever asks how tough they are you can tell them. they WILL handle 500hp and a really aggressive clutch. so for crawling i would have to say that is the transmission of choice in my opinion. i will get some pics posted up when i start the swap to the th400. thanks for listening.

Northboundtundra · « **Reply #20 on:** Sep 22, 2019, 09:04:01 PM »

Quote from: 187unlimited on May 13, 2019, 08:52:24 PM

well here are my findings, after beating on the trans on the drag strip the only thing wrong with it is sloppy shifting, probably just wore out the syncros a bit. but most of all the clutch is shot. so multiple launches at nearly 5 grand and 500+ horsepower the trans. did not/would not break. i know that you all are crawlers so this was a bit odd but i just wanted to know. now we all know that the r150f is a REALLY strong trans if built right. now if anyone ever asks how tough they are you can tell them. they WILL handle 500hp and a really aggressive clutch. so for crawling i would have to say that is the transmission of choice in my opinion. i will get some pics posted up when i start the swap to the th400. thanks for listening.

This is awesome. I just put an r150f behind the 2uzfe in my Tundra and I can’t tell you how many people have told me that it won’t hold up. I decided that if people were using them to drag race 500-600 hp supras that it would be fine. I just got it setup but after my first few shifts I love it compared to the lazy a340f that was in there before.

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