TeamCapri
Tech, Repairs, Upgrades => Capri XR-2 89-94 => Topic started by: snaponcapri on March 10, 2017, 07:45:00 PM
-
So I've got the rocket chip in and I still feel like I need more power I'm getting a head ported and polished this month and putting the flying Miata head studs and titanium valve springs and retainers in it also got a t4 coming for the car can I get bigger injectors for our cars or does any body know what ours are rated at just want to keep fuel coming with my testy turbo upgrades and head job
93 capri xr2
Upgrades 2.5 exhaust
Ram air conversion
Rocketchip
Ported waste gate
Big @ss inner cooler ;D
-
IMO a T4 is going to be way to big. Whats the stats on the turbo. If its a ebay turbo make sure you run a oil restrictor, if you dont they like to break engines.
If you wouldnt mind post how much all that headwork costs.
You can use RX7 440cc I know off the top of my head. I believ the stock injectors are only 200cc but im unsure.
-
Cool thanks snakes didn't know the rx7 would fit I work at a ford/Mazda dealership so I get all my stuff pretty cheap and I think my head work is going to run me around 300 but the valves springs and studs are what really going to cost me looking at close to 1500 in total and as for the turbo it's a gt3582 if that helps it's an eBay turbo as well I figure I would have to restrict it also going to port it if they didn't do it already have it ported I've got a tbird turbo that I was going to convert but I couldn't find any vj11 so I said screw it since our IHIs are so laggy I figured I would go with a t4 since it's bigger and gives me room to tune and add power I'm already in the works of getting coilovers for the car and thinking about doing a complete brake hub swamp with a 2012 focus set up just have to use the inner cv axle input shaft so I don't have to mess with the trans but I will be putting a better clutch and lsd in it
-
GT3582 is going to be laggy as hell it meant for 1.8ls or higher. The Miata guys use it for their BPs and make serious power ie around 350-400. If you can try to get a GT2560R those are good to atleast 275. One thing to note at around 250hp our stock conrods break. At 300hp with aftermarket conrods the stock piston breaks, so invest in those if you want to go higher then that.
Look around TurboMiata.net that can help you plan what size injectors you need.
iMHO you really should invest in Megasquirt, the stock ecu cant comprehend injector size change so you might run into problems there. The most important part of any engine build is the tune, because running too lean or too rich too long will kill a engine. Im not saying Rocketmans chip is bad or anything, but what im saying is its really only for moderate upgrades ie hybrid swaps. The Rocketchip might be sufficient for your goals, I would let Rocketman weigh in before you went straight to Megasquirt.
Oh yea make sure to port your intake manifold and exhaust manifold to match otherwise the head port doesnt do much good.
-
Well that website doesn't seem to exist :'(
But alright sounds like a plan in my book I've been trying to get a block to but alls I can find are n/a motors and don't know if they will even work with our turbo set ups and I'm wanting to put just about 325 if that's even possible with our engines
-
Woops its MiataTurbo.net.
Im not knocking anything your doing btw I think its awesome ;D
Its your build do what you want and have fun with it, I could very well be wrong about the turbo. That turbo is a ballbearing tuebo so it might come to life sooner then id think.
Also N/A blocks will work just fine its the exact same block. Youll have to drill a hole in the oil pan and tap it for the oil supply to the turbo. Other then that oilfeed, and compression ratio the b6t is the same motor. Even a Miata block/head would work, but youd have to swap all of our FWD parts.
-
(http://scontent.cdninstagram.com/t51.2885-15/s750x750/sh0.08/e35/17266177_969949733135569_4175779986440978432_n.jpg?ig_cache_key=MTQ2ODIyMTA3MTA2Mzk5MjY2OQ%3D%3D.2)
That's my car right now give or take some dings
And I know you mean well snakes I think of it as helpful tips to keep me from blowing up yet another engine also I'll give the cite a try again now in reverse
Also I've got a buddy running a cooper s with a sohc and he's pushing close to 260 bwhp and he's pulling on me every time and I can't let that happen anymore so instead of the head being pulled next week I'm pulling the whole damn engine and building that thing out of that donor car
-
Man those wheels are killer 8) You should invest in some fender flares! The grip must be unreal.
Really good paintwork, wish mine had that shine.
Yea those Minis are amazing, one of my friends has a S and its fast as hell.
-
Thanks man Maguires and a buffer go along way with these cars and yeah that's my next thing to do with the cars body I'll post an actual build thread here soon
-
That turbo is a ballbearing tuebo so it might come to life sooner then id think.
Our turbos use bushings rather than bearings?
Jack Byrd
-
Im not sure, from everything I've heard the Garret turbos are much faster to spool then older turbos like ours. I guess it all has to due with advancements in bearing and the design of the exhaust wheel. My turbo knowledge is very limited, and I really only know the Garret lineup because some of my buddies have Miatas using them
i believe our turbos are single bearing, whereas the Garret stuff is dual bearing.
-
I've heard Borg-Warner makes some very advanced turbos.
Jack Byrd
-
So I found out today it's going to be 300 for a whole engine to build not bad I think and I've heard that about garrets too idk I'll see what turbo I want to do when I get to that I need to build this little monster first flyin Miatas forged pistons are on back order :'(
-
You dont have to get Flyin Miata pistons ive heard good stuff about the Eagle and Weisco brand.
Remember when you build the engine you really should upgrade all the components inside. Id get ACL bearings, ARP Hardware, etc. You have to remember our engines arent designed for high hp so your goal is to upgrade everything to limit failure asmuch as possible.
-
Wiseco is the piston they are selling and that was the plan to build the block top to bottom
-
I'm am thinking about doing some fiberglass work this summer on the car though anybody try this yet
-
Ive been fooling around with carbon fiber. Ive also been planning on molding some fender flares but I cant do so till I get my new wheels.
Russ from Roo-Sport has a really cool Ferrari style fiberglass hood.
-
That would be cool to do carbon fiber
-
So how far has anybody actually gone with our b6t build wise our has everyone just swapped for a bigger motor ???
-
Look up RCIcustoms in here he had the most worked B6t till he blew his engine. He made something crazy like 250hp off a mitsu turbo.
-
As far as making custom body pieces, my buddy has had great luck over the years by using sandwiches of rigid composite building insulation board glued together to form the flares, air dam, whale tails, etc, then after using sanders to shape it close, he coats it with a release agent and he uses a fiberglass chopper gun to spray fiberglass on it and make molds.
He bought all the sheet metal for the last generation RX7 and made his complete body for his SCCA tube frame RX7 from molds he made with the gun, and then of course, uses the gun to make the body. Some people have more time and $ than others though. I guess I'm an under achiever! ::)