Miata Turbo Forum - Boost cars, acquire cats.

Miata Turbo Forum - Boost cars, acquire cats. (https://www.miataturbo.net/)
-   Build Threads (https://www.miataturbo.net/build-threads-57/)
-   -   Jason's reverse Build (https://www.miataturbo.net/build-threads-57/jasons-reverse-build-26526/)

nam106 03-16-2009 02:28 PM

One day I WILL have something as bad ass as this.

Braineack 03-17-2009 09:28 AM

hey look at that, you're our first featured build for the portal.

JayL 03-17-2009 11:28 AM


Originally Posted by Braineack (Post 382915)
hey look at that, you're our first featured build for the portal.

Sweet, that just made day. Makes me want to finish it up even faster now.

levnubhin 03-20-2009 04:05 PM

Nice build man, I can't wait to see the end result.
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JayL 03-20-2009 04:25 PM

1 Attachment(s)
Several weeks ago I brought the engine to a friend to give me some much needed assistance finishing everything up. I might have been able to bolt it together and call it good on my own, but I had way too many questions to feel comfortable doing it on my own.

One of those things that concerned me was some wear on the cylinder walls. It wasn't as bad as I thought it was, but finding stuff like this is one of the downsides of buying a used engine. Most likely this was caused from not letting the motor warm up before driving it.

Anyways, here's where I'm at now. It should have been finished yesterday, but I'm at a crossroad. To use or not to use....

hellothere 03-22-2009 01:31 PM

This is great cant wait to see it done. What rods and pistons are you using with this setup?

JayL 03-22-2009 02:04 PM


Originally Posted by hellothere (Post 385366)
This is great cant wait to see it done. What rods and pistons are you using with this setup?

Wiseco pistons and Carrillo rods, it's one of FMs built bottom ends.

JayL 03-24-2009 10:21 PM

2 Attachment(s)
Made some more progress today. Got a fitting welded on the oil pan and finished inspecting everything for the bottom end. Oil pump is installed and the pan is back on, should finish up the rest tomorrow.

drbogg 03-25-2009 06:25 AM

All i have to say is i am bloody jealous good work can't wait to see a video of it in action.

Dr.

ajbalmat 03-26-2009 01:55 PM

my only question is how you got 277hp off a stock 1.8 at just 10lbs??!!

is it a VVT head?

plus you used a base map. maybe it is the injectors???

y8s 03-26-2009 02:23 PM


Originally Posted by ajbalmat (Post 386973)
my only question is how you got 277hp off a stock 1.8 at just 10lbs??!!

is it a VVT head?

plus you used a base map. maybe it is the injectors???

it's pretty easy to read. yes, vvt head. big turbo.

ajbalmat 03-26-2009 11:05 PM


Originally Posted by y8s (Post 386982)
it's pretty easy to read. yes, vvt head. big turbo.

ok dude good answer...

big turbo doesn't mean jack until you get over 14 or 15 lbs of boost. it doesn't matter what kind of turbo you're running, it depends of the manifold boost pressure.

all i know is, he's starting with around 120-130 whp stock, and at 10 lbs of boost, no matter what injector size, AFR, or turbo size, it should only put down around 200-220 whp.

of the knowledge about boosting 1.8's that i've gained, you would need a built bottom end (idk about post '98, mine's a 97, but i think they're the same bottom end. if not, someone tell me the difference) and over 15 lbs of boost.



the only difference i could see with his car would be having a different tranny, or an lsd. but, idk what kind of advantage that gives you on the dyno.


someone please enlighten me.

JayL 03-26-2009 11:18 PM


Originally Posted by ajbalmat (Post 387209)
ok dude good answer...

big turbo doesn't mean jack until you get over 14 or 15 lbs of boost. it doesn't matter what kind of turbo you're running, it depends of the manifold boost pressure.

all i know is, he's starting with around 120-130 whp stock, and at 10 lbs of boost, no matter what injector size, AFR, or turbo size, it should only put down around 200-220 whp.

of the knowledge about boosting 1.8's that i've gained, you would need a built bottom end (idk about post '98, mine's a 97, but i think they're the same bottom end. if not, someone tell me the difference) and over 15 lbs of boost.



the only difference i could see with his car would be having a different tranny, or an lsd. but, idk what kind of advantage that gives you on the dyno.


someone please enlighten me.

Thanks for your insight, but please start a new thread to continue this discussion.

18psi 03-26-2009 11:39 PM


Originally Posted by JayL (Post 387216)
Thanks for your insight.

Your setup makes me want to start from scratch and go a completely different route than the one I did lol

Originally Posted by ajbalmat (Post 387209)
ok dude good answer...
.

STFU and GTFO you fucking threadjacking twat

NA6C-Guy 03-27-2009 01:55 AM

Looks great. Every time I look at one of you guys build threads it reminds me of how much I can't wait to find another engine and start a real build, not just a stock rebuild.

Just a slight thread jack. I can't say I recall seeing anyone on here who has built a bottom end lately use aftermarket main caps. I suppose that is because ARP studs are all one needs for a "bulletproof" bottom end? Though my bottom end is stock, I still kind of wish I had use ARP main studs. Probably not needed though, as Im sure the rods will give long before I have any worries with caps or bolts.

ajbalmat 03-27-2009 02:31 AM

i'm not threadjacking you asshole...just want a brief explanation on how he thinks his car made the power it did.

and jayl, i would start a new one, but i'm too new to do so i think.

so excuse me and never mind. i'll just keep reading you guy's stuff wondering whether it's bs or not.

NA6C-Guy 03-27-2009 03:06 AM

So your trying to say 10psi on a 2554 and 10psi on a 3071 will make the same power? .....

y8s 03-27-2009 12:31 PM


Originally Posted by NA6C-Guy (Post 387286)
So your trying to say 10psi on a 2554 and 10psi on a 3071 will make the same power? .....

it's hard to be a newb.

ajbalmat 03-27-2009 01:42 PM

thank you, i think i've been clarified on this issue.

JayL 03-31-2009 01:20 AM

3 Attachment(s)
Made a little more progress tonight. Hope to finish up some cosmetic items in the next couple of days and I will probably put it in this weekend.


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