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-   Race Prep (https://www.miataturbo.net/race-prep-75/)
-   -   Intake Manifold Studs (https://www.miataturbo.net/race-prep-75/intake-manifold-studs-76353/)

concealer404 12-03-2013 03:02 PM


Originally Posted by Leafy (Post 1079185)
No stupid plastic gasket. I havent weight the brace and associate fasteners but it must be around 5 pounds. Its also in the way of where I want to put my power steering pump maybe.



Take a pre-game dump before you race.

Leafy 12-03-2013 03:04 PM


Originally Posted by FrankL (Post 1079207)
Solution, a lighter intake that is also *SP legal. Coming soon.

OP question, check with ARP, they make all kinds of products that don't have a specific application.

I need my roommate to get his ass back up here before I loose my access to the machine shop so we can make two sets of the sweet barrel throttle body itbs.

ARP does sell a set of 300 series stainless studs for this, the ever come with a spare. Not sure if they're stronger or not, but they are more than twice as expensive as going inconel.

Leafy 12-03-2013 03:05 PM


Originally Posted by concealer404 (Post 1079209)
Take a pre-game dump before you race.

Thats weight towards the rear of the car, I like that weight. its weight on the nose I want to get rid of. And minimum weight doesnt include driver. :noob:

concealer404 12-03-2013 03:06 PM


Originally Posted by Leafy (Post 1079211)
Thats weight towards the rear of the car, I like that weight. its weight on the nose I want to get rid of. And minimum weight doesnt include driver. :noob:


Good point.

When you race the car, it doesn't have a driver anyways.

Leafy 12-03-2013 03:08 PM


Originally Posted by concealer404 (Post 1079212)
Good point.

When you race the car, it doesn't have a driver anyways.

Mines remote control, its street mod legal. :dealwithit:

FrankL 12-03-2013 03:08 PM


Originally Posted by Leafy (Post 1079210)
I need my roommate to get his ass back up here before I loose my access to the machine shop so we can make two sets of the sweet barrel throttle body itbs.

ARP does sell a set of 300 series stainless studs for this, the ever come with a spare. Not sure if they're stronger or not, but they are more than twice as expensive as going inconel.

I've looked into ITBs and I wasn't too excited about tuning part throttle etc on a forced induction. But YMMV.

Leafy 12-03-2013 03:10 PM


Originally Posted by FrankL (Post 1079214)
I've looked into ITBs and I wasn't too excited about tuning part throttle etc on a forced induction. But YMMV.

Not a problem with blended alpha-n and SD. Though I would seriously consider going to a blow through maf setup once that manifold made it onto the car.

concealer404 12-03-2013 03:15 PM


Originally Posted by Leafy (Post 1079217)
Not a problem with blended alpha-n and SD. Though I would seriously consider going to a blow through maf setup once that manifold made it onto the car.


AIDS. So much AIDS.


http://s3.amazonaws.com/data.tumblr....2Fs6JWI%3D#_=_

Leafy 12-03-2013 03:16 PM


Originally Posted by concealer404 (Post 1079220)

:vash: MAF is better :fawk:

concealer404 12-03-2013 03:17 PM

Than what? A root canal?

codrus 12-03-2013 04:50 PM


Originally Posted by Track (Post 1079187)
5 lbs? you are crazy. that brace is no more than 1.5 lbs with the 3 bolts it needs.

Yeah, the OEM intake manifold brace is a featherweight. I only took it off mine because it's in the way of oil cooler hose routing.

--Ian

ctdrftna 12-03-2013 05:36 PM

i ran some arp studs with 12pt nuts, just measure your shit an order them. I'm sure they are better steel than anything factory.

Leafy 12-27-2013 06:36 PM

Dorman 675-579 looks like the winner, will order next week.

Leafy 01-27-2014 01:14 PM

That part fits and should be stronger than stock. One broke when I took the manifold off after torquing them to the upper end of the factory spec with my bending beam. Top front one, which broke before, and is the one I hear other breaking most often. I'm just going to run the brace.

TNTUBA 02-23-2015 09:07 PM

Just installed the ARP SS studs in my head. You want them. They are rated for 170,000 PSI plus. They include washers and 12 point nuts. If one of these breaks.....there is no way to keep them from breaking. Sure...$109 is a lot for 10 studs.....but my time is worth something...and I wont need to worry about changing these again.....I hope

ruthless013 02-23-2015 10:09 PM

don't tease - part number?

TNTUBA 02-23-2015 10:33 PM

I ordered 400-8024. I needed 51mm long studs due to the blower manifold. If you are using a stock intake you might be able to use stock length studs. 400-8023 are 45mm long, 400-8022 are 38mm, 400-8021 32mm.

bbundy 02-26-2015 01:03 AM

Wow I've never broken an intake stud. Use a hondata gasket and no brace. My manifold is defeatured and lightened though.

TNTUBA 02-26-2015 08:39 AM

My situation is different than Leafy's or yours. I have @ 30lbs of intake and Whippple hanging off that side of the motor.

Leafy 02-26-2015 10:28 AM

Yeah I'm still breaking them while running the brace, just less of them. Theres already 2 in the manifold right now that I felt let go when torquing them this last time, but fuck it with the vics manifold its way too big of a pain in the dick to fix. Next time this manifold comes off its being replaced.

I was torquing all of them to 18ftlbs with the bending beam, the two that I'm sure are going to come out broken started just turning with no increase in force around 12ftlbs. Theres no fucking way they're breaking from over torquing for me they look fine but must have developed cracks in the thread root that I didnt notice when I inspected all of them.


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