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Author Topic: steedspeed manifold questions  (Read 2786 times)
turbyota
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« on: March 20, 2010, 08:46:19 PM »

has anyone had a problem with a steedspeed manifold ripping out exhaust studs i haven't bolted mine up yet but i was impressed at the weight of the unit with my turbo on top thats gonna be like 60 pounds and i know the factory setup is braced from underneath so has anyone experienced this?? 
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turtlecharged_RN5
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« Reply #1 on: March 20, 2010, 09:15:11 PM »

I can't speak for the Steedspeed manifold, but in general the stress on the exhaust studs is high on either a top mount or bottom mount turbo and any type should be supported with a strong brace. The factory studs are strong but the Steed manifold uses fewer studs on the top than the factory. I wouldn't run any manifold setup without some brace to ease the load on the top studs. The engineers at Toyota saw it fit to have the turbo/manifold assembly braced, probably for many reasons. The Steed manifold is one of the stronger ones out there, partially due to the nice and beefy 5/8" flange and thick wall construction.
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dcg9381
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« Reply #2 on: March 20, 2010, 10:56:59 PM »

has anyone had a problem with a steedspeed manifold ripping out exhaust studs i haven't bolted mine up yet but i was impressed at the weight of the unit with my turbo on top thats gonna be like 60 pounds and i know the factory setup is braced from underneath so has anyone experienced this?? 

I have the manifold.  Absolutely no issues ripping out studs.
Most of the weight is vertical on the studs... Two cases I'd worry about studs:
1) You have a hard/solid exhaust system w/o a flex pipe - and you're not using the factory exhaust mount spot on the engine/transmission.

2) You buy a cheap manifold that warps.  (IE, not SteedSpeed)


Leen has really gone out of his way to work any possible bug out of this manifold.  If you're wanting something you can bolt/weld a bracket to, just ask him - he's really easy to work with.

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1stgenboy
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« Reply #3 on: April 08, 2010, 09:40:04 PM »

has anyone had a problem with a steedspeed manifold ripping out exhaust studs i haven't bolted mine up yet but i was impressed at the weight of the unit with my turbo on top thats gonna be like 60 pounds and i know the factory setup is braced from underneath so has anyone experienced this?? 

I have the manifold.  Absolutely no issues ripping out studs.
Most of the weight is vertical on the studs... Two cases I'd worry about studs:
1) You have a hard/solid exhaust system w/o a flex pipe - and you're not using the factory exhaust mount spot on the engine/transmission.

2) You buy a cheap manifold that warps.  (IE, not SteedSpeed)


Leen has really gone out of his way to work any possible bug out of this manifold.  If you're wanting something you can bolt/weld a bracket to, just ask him - he's really easy to work with.



I have the steed speed and no problems 'cept the one I created.   Header flange gasket started leaking on a road trip.  Likely 'cause I reused lock nuts.  DOH!  What header gasket are people using with the steed speed.  Looks like I need a new one.....

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dcg9381
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« Reply #4 on: April 08, 2010, 10:20:19 PM »

Remflex.
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1stgenboy
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« Reply #5 on: April 08, 2010, 10:43:15 PM »

Remflex.

Thanx!  
« Last Edit: April 08, 2010, 10:59:45 PM by 1stgenboy » Logged
frinzo
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« Reply #6 on: April 20, 2010, 08:41:38 PM »

Remflex.

which one are u using for the steed speed manifold? i want to say it is PN-RF7002? please correct me if im wrong.

Thanks Frinzo
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dcg9381
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« Reply #7 on: April 21, 2010, 02:05:41 AM »

I honestly don't know... The 22RE or 22RTE one should work.
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4x4junkie
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« Reply #8 on: April 21, 2010, 04:14:36 PM »

http://catalog.remflex.com/TOYOTA_Header_Exhaust_Manifold_Gasket_p/rf7002.htm


This is the one i just ordered for my steedspeed mani that should b here very very soon  Grin

What did you guys do for oil supply / drain lines? and downpipe? seems lots of people are mounting these manifolds up! I'll be doing an install thread with lots o pics when i get mine! 
« Last Edit: April 21, 2010, 04:35:35 PM by 4x4junkie » Logged
dcg9381
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« Reply #9 on: April 22, 2010, 08:44:40 PM »

Adapter on the factory oil feed (block tap) to an AN style braded line, to a filter, to another line to the turbo.
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G
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« Reply #10 on: August 11, 2010, 01:42:24 AM »

What size are the studs? m8 m10?
« Last Edit: August 11, 2010, 01:49:41 AM by G » Logged
mica
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« Reply #11 on: August 12, 2010, 04:41:52 PM »

m8x 1.25 if memory serves, not positive though. you can buy them through LC engineering.
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dcg9381
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« Reply #12 on: August 12, 2010, 10:39:02 PM »

I think that's right.. they're a "fine thread". 
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turtlecharged_RN5
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« Reply #13 on: August 13, 2010, 02:43:14 AM »

What size are the studs? m8 m10?

Exhaust studs are m10, 1.25 thread pitch.

Intake is m8 1.25
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