Anyone ever dynoed a EBAY sr20det manifold VS STOCK?

[k4rr]

Anyone ever dynoed a EBAY sr20det manifold VS STOCK?
I got this tubular one off ebay from XS power and I was thinking about throwing it on the car. I was just wondering if anyone had any dyno numbers if it gains HP?

 

[m4nfred]

...............awesome cig lighter

 

[kwkouki]

stock one will make more power, im dying to get rid of my mani for a expreme or im gonna port the stock one

 

[BiG MiKE]

stock one will make more power, im dying to get rid of my mani for a expreme or im gonna port the stock one

expreme... mmm... I just got a baller ass price on one... maybe coming soon...

 

[Bearcat]

stock one will make more power, im dying to get rid of my mani for a expreme or im gonna port the stock one

A stock manifold will make more power than a tubular equal length manifold?! ok.....

Expreme's are straight up baller.

 

[m4nfred]

dont u have to like extrude hone or someshit the stock one to make power....and isnt it like a billion dollars

 

[Piner]

A stock manifold will make more power than a tubular equal length manifold?! ok.....

Expreme's are straight up baller.

A turbo Spins Due to exahust heat due to load. Not just velocity although that does help out, the big factor is heat and what holds in heat better a BIG thick Iron cast moanifold or a thin equal length SS manifold.

Yes More power can be made with the stock mani. Its only whe you start out flowing the stock manifold do you need to upgrade. But on a stock turbo or even a T28 you're not gonna make much by changing to a tubular.

 

[SileightyBoi]

try a topmount t28 setup lik me..you'll make more power n torque then u can beleive

 

[PB&J]

try a topmount t28 setup lik me..you'll make more power n torque then u can beleive

lol topmount t28 ruff racing ftl!!!!!!!!!!!!!!!!!lol please fix that setup!!!

 

[Bearcat]

A turbo Spins Due to exahust heat due to load. Not just velocity although that does help out, the big factor is heat and what holds in heat better a BIG thick Iron cast moanifold or a thin equal length SS manifold.

Yes More power can be made with the stock mani. Its only whe you start out flowing the stock manifold do you need to upgrade. But on a stock turbo or even a T28 you're not gonna make much by changing to a tubular.

ok, but it still makes more power than a stock manifold. I never said you were gonna gain 900whp frpm that manifold.

I had that manifold on my car, and I would choose stock over that one. It makes your sr sound like shit.

 

[Tonymac]

Mattback has done a stock to tubular dyno test, the tubular made more. It was an SSautoshit (same as EVERYTHING else on the market unless you go fullrace). S14 SR with mild cams, stock turbo, & stock boost.

 

[k4rr]

My car feels slower with the xspower manifold...............

On 13 pounds

 

[S13<3]

u could always use heat wraps on the header to keep the heat where it needs to be

 

[Tonymac]

^Heat wrap sucks b/c it also traps moisture.

 

[BiG MiKE]

Ceramic coating should do the trick

 

[YucA]

Remember that stock cast vs tubular will give you a completely different power band. Because most tubulars are supposedly equal length, this will usually give you better mid to top end while a stock, cast mani will give you better bottom/mid range...

Also, no matter what brand you get, your tubular mani will crack if you dont have the proper support/hangers on the entire exhaust system. its just the way of the world...

when i did my mani to turbo gasket i threw in a ported and flowed stock mani, and i did feel the difference. it was supposed to have been rated at something like 12% more flow than stock. That and the fact that it will pretty much never crack = a win for me...

 

[S13<3]

wont the moisture go away real quick when the car heats up, racers dont use it for nuttin

 

[Tonymac]

IDK what racers you're talking about but most manifold companies (good ones - $800+ manifolds) void their warranties against cracking if heat wrap is used.

 

[s14zenk]

any moisture in the heat wrap will eventually go way, but this is why its important to let your car heat up before putting it under a heavy load... im using a tubular manifold with heat wrap.. and sprayed ceramic manifold paint over the heat wrap to give it a layer between moisture.. not sure if it works good or not cuz its not on the car yet

... also, the tomei expreme manifold actually comes with a roll of heat wrap

 

[240SicknessX]

any moisture in the heat wrap will eventually go way, but this is why its important to let your car heat up before putting it under a heavy load... im using a tubular manifold with heat wrap.. and sprayed ceramic manifold paint over the heat wrap to give it a layer between moisture.. not sure if it works good or not cuz its not on the car yet

... also, the tomei expreme manifold actually comes with a roll of heat wrap

ppl, traped moisture = rust...........

Wrapping a manifold retains all the heat in the material. With out having airflow around the manifold, runners and collector(s) reach much higher operating temperatures. Temperatures so high that the runners can not support the weight of the turbo, aka crack. Some times you don't even have to wrap the runners if thin enough material is used. A better solution would to build a heat shield around the manifold.