NoPistons -Mazda Rx7 & Rx8 Rotary Forum

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-   Northwest (https://www.nopistons.com/northwest-28/)
-   -   its finally done... (https://www.nopistons.com/northwest-28/its-finally-done-61546/)

hornbm 09-07-2006 09:51 PM

Finished my motor tonight, amazing what way too much time and money can accomplish. Heres a few pics:



http://img412.imageshack.us/img412/2...7061939yr3.jpg



http://img465.imageshack.us/img465/8...7061940de3.jpg



Specs on motor are as follows, NEW housings, new apex seals(stock mazda OEM 2 piece), new side seals, (indivually clearanced; 0.0025") New corner seals, 8.5:1 rotors, Large streetport, solid thermal oil bypass, New bearings all the way through, new springs all the way around, 93+ corner seal springs, Viton oil rings. Will be starting out the turbo at 10PSI. (stock turbo for now) Cast irons came off of an exremely low milage j-spec. Engine will be run with full synthetic oil, and will be 100% premixed. No OMP for me!



Anyway, cant wait to get this thing IN!!!! Then I gotta torture myself through the break in period https://www.nopistons.com/forums/pub...1047683358.gif

woundup7 09-07-2006 10:07 PM

Awesome, glad you got it back finally. I got a sneak peek of the porting when I was at Jeff's Auto buying some parts. I am sure you know everything your not supposed to do, So I wont bore you. Just dont boost it for a while. It sounds like a nice build up.

hornbm 09-07-2006 10:12 PM

yeah Jeff did a FANTASTIC job!!! BIG thanks to JEFF'S AUTOMOTIVE!

kettlman 09-07-2006 10:31 PM

about time......

looks nice. can't wait to see it runnin.

Hyper4mance2k 09-08-2006 02:25 AM

Looks good! Did you ever get around to porting it?

hornbm 09-08-2006 08:32 AM

jeff's automotive did the porting. He did one hell of a job too

gregs 09-08-2006 02:17 PM

pix of the ports?

hornbm 09-08-2006 02:56 PM

didnt take any pics of the ports, out of respect for jeff

herz3mc 09-08-2006 05:33 PM

Looks Great! Can't wait to see it in the car.

gregs 09-08-2006 08:19 PM


Originally Posted by hornbm' post='836191' date='Sep 8 2006, 12:56 PM

didnt take any pics of the ports, out of respect for jeff

wtf. thats lame as ****, pics would have probably gotten jeff some more business.

hornbm 09-08-2006 09:51 PM

trust me ive seen all kinds of port jobs... his were top notch



He didnt ask me not to take pics, i decided that on my own, everyone ports differently. If you would like to see his porting, head on over to his shop, im sure hed be glad to show you.

flight_of_pain 09-09-2006 01:16 AM

that looks great matt, let me know when you get it in the car and ill bring my fuel devourer over https://www.nopistons.com/forums/pub...IR#>/smile.png



isaac

hornbm 09-12-2006 12:54 AM

couple of updates, just need injectors!



http://img242.imageshack.us/img242/9...1061729vi4.jpg



http://img140.imageshack.us/img140/2...1061730fk6.jpg

z-beater 09-14-2006 08:36 PM

saweet

hornbm 09-17-2006 08:11 PM

Little bit of an update. Motor is totally in the car. Went to turn it over, and no FUEL! Im gonna rewire the injectors tomorrow, everything else attached to the ECU seems to be working fine. Fuel pump is running

z-beater 10-08-2006 01:17 PM

So what is the latest?

rmriggin 10-08-2006 04:09 PM

where you been Z. HE has it running now. Fuel lines were plumbed backwards. I don't know if he did it yet but it needed an alternator and the vacuum caps secured.

hornbm 10-08-2006 04:55 PM

AH yes, alternator replaced! Vacuum caps secured! Walbro 255 installed. Got about 780 miles on the motor so far! Idles like a champ at 900 rpm. Seriously couldnt be happier with it.



I still have a few odds and ends to do to it. I gotta replace the winshield, i'll be picking up a racing beat exhaust in a few weeks. Then paint. Sigh, the work never ends.

z-beater 10-16-2006 08:26 AM

I can relate to that... I am still working on mine... it is few and far between but I am sure that one day it will get there... Just needs a good tune now... the one that was in there is not working. I am thinking about taking it down to Brian Macy at HP connection and giving him the keys lol. Well if I ever get a free moment I would love to see you car in person... guess I have ot resort to pictures right now...

hornbm 10-16-2006 12:10 PM

God dammmmit!! its really ******* up now.



SO like my alternator died again for some reason, and then for some reason the nuts came off my down pipe at the same time, so here I am driving home with crappy ignition and anytime I give it more than 5% throttle it gets loud as hell, and then to top it of I had some vacuum caps shoot off again.



So now I went for a little drive and it was fine, so I shut it off, waited about five minutes, then started it up again. I noticed my throttle for some reason felt stiffer... and that when I gave it any gas it kinda bucked around everywhere. Oil pressure went down from 60psi at cruise to 45psi... but that might just be the gauge?

bstrange99 10-16-2006 12:25 PM

I really do hope you get all the bugs worked out, but man, I'm looking at this as a tribute to my little 12a. I'd love to have more horsepower, but I don't know if I'd want to trade the reliability.

hornbm 10-16-2006 02:38 PM

AH! i think I figured it out. I was driving it today, and whenever I hit boost, I hear like metal scraping sounds... previously whenever I hit boost it sounded like damn superchager was going... ya know WHAAAAAAAAAAA!!!!



Anyway im positive my turbo has taken a dump. that would explain the drop in oil pressure too I suppose. IM gonna check shaft play when I get home. Anybody got a s5 turbo manifold?

rmriggin 10-16-2006 02:40 PM

if you got CC on it then check that cable out. I know on my FC I had it slip off one time and made the throttle a bit difficult. I hope you got a simple fix. Maybe you need some more or better grounds to fix the alternator problem. Then again if you are buying any electrical parts from Schucks than I would look to blame the part first.

hornbm 10-16-2006 03:26 PM

actually I dont have cruise, (something I refuse to use even if I do have it but the alternator came back to life last night... I have no idea what was up with it. But yeah turbo took a dump. I'm going to give alamo turbos a call today, if not that route then i'll be sending my s5 turbo in for a stage 1 upgrade at BNR... it should tide me over till i can afford all the proper mods for a GT35R upgrade.

hornbm 10-16-2006 03:52 PM

and adrian says carburated cars are the ones with personality... BWHAHAHAH!

woundup7 10-16-2006 04:42 PM

Dont fret, I had two of the exhaust nuts start to back off the wastegate/turbo housing. I sure its the extreme heat and cooling. Now I just check them every few weeks.

Alamo Turbocharger Services

22737 72nd Ave South

Suite 109 Biulding C.

Kent, WA 98032

253.872.0662

I believe the guy that helped me was named Tom or Tony, pretty good guy, he happens to drive an older Supra turbo. Really knowledgable.



Hope that helps

hornbm 10-17-2006 12:44 AM


Originally Posted by woundup7' post='841062' date='Oct 16 2006, 02:42 PM

Dont fret, I had two of the exhaust nuts start to back off the wastegate/turbo housing. I sure its the extreme heat and cooling. Now I just check them every few weeks.

Alamo Turbocharger Services

22737 72nd Ave South

Suite 109 Biulding C.

Kent, WA 98032

253.872.0662

I believe the guy that helped me was named Tom or Tony, pretty good guy, he happens to drive an older Supra turbo. Really knowledgable.



Hope that helps





I checked them out today and im deffinately gonna get my turbo service by them, just gotta wait a few weeks. Gonna have him do some upgrades too


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