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The new SBR cast mani

2.4K views 25 replies 14 participants last post by  gvr4dsmer  
#1 ·
Slow boy racing has put out a new cast manifold. I read up on it and it seems like a beautiful upgrade for any one. SBR really put there heads into this one. It comes externaly gated or plugged of your choice and it also comes with a predrilled EGT hole(plugged if you don't use it). Oh and did I mention all of that comes free:) . Then if you really get crazy, you can port it out for only $50.00. This should add some interesting thoughts to the previous discussion about tubulars against cast manifolds.

http://www.slowboyracing.com/more.php?id=1891&
 
#2 ·
these are pretty old news. And tubular still offer the ability to make them equal length etc. And this isnt even close to a parts review.
 
#3 ·
Well buy it, test it out and let us know how it works out GODspeed1320. Otherwise dont post this in the review section.
 
#4 ·
Well sorry I asked. Just woundering if anybody bought it.
 
#6 ·
Why would the wastegate flange make you not want to buy it?

What would be cool, would be to see them incorporate a Garrett flange onto the mitsu manifold. Since Garrett turbos are dirt cheap anyway, it would make the swap a very viable option.
 
#8 ·
16g-95GSX said:
Why would the wastegate flange make you not want to buy it?

What would be cool, would be to see them incorporate a Garrett flange onto the mitsu manifold. Since Garrett turbos are dirt cheap anyway, it would make the swap a very viable option.
Cause I have a nice brand new stainless steel heatsheild that sure as hell won't fit on the monstrosity. Plus the fact that having it there will impede flow even if it's blocked off.
 
#9 ·
Not THAT many people are purchasing FP30 series turbos. The majority of DSM turbos out there, in fact every DSM turbo out there, aside from the FP30 series, all require the wastegate to be located somewhere else if an external setup is to be used. I mean christ, how many people on these boards blow their nuts when they hear the word DNP, and yet no one makes any comment to the DNP being often a dumped manifold, and its dump requires even more extra piping than this design and it costs about twice as much.

If you dont like it, dont buy it. I too run a SS heat shield, but that doesnt take away from the fact that I think SBR went in a good direction with this manifold. Their old manifold had one thing going for it, that you didnt have to dent the water pipe, aside from that it was simply a ported 2g manifold. Now how can you honestly tell me, that by having such an easily accesible, bolt on, affordable external wastegate mount option such as this is a bad idea?
 
#10 ·
Spyder1gdsm said:
That's a real smart business move right there.... :rolleyes: Especially when the majority of DSMers I see nowadays are buying FP30 series turbos, theres no need for that manifold then.
Where are you obtaining this information about a majority of DSMers running FP30 series turbos? Please post your sources so I can cross reference this with the amount of PTE scm series turbos that have been sold. A lot of guys are also running straight t3 turbine sides and have to use an adapter plate to make it fit the mitsu manifold. Like Chris said, I think it would be a fantastic idea to cast a mitsu maifold to fit t3 flange, like the rehard cast t4 manifold, just in a t3 flange. To be totally honest, your comment was the dumbest thing I've read all week, thanks for the enlightenment :rolleyes:
 
#11 ·
i don' think the wastegate flange will impede flow at all if its not pre tapped since its cast into the manifolds external dimensions. the runner on the inside will be just as smooth as if the flange wasn't even there. it has the threads for the stock heat sheild as well. not sure if you would have to cut or reshape it to clear the wastegate flange.
They claim her updated design outflows the evo3 manifold.
it comes with a 7cm gasket that is ported to match the collector flange. must mean the flange is larger than 7cm.

I ordered mine fully ported
it will be here next week and i'll show pics
i think its going to be a great match for my bullseye turbine housing and tubular o2. but we'll see. :)
 
#12 ·
16g-95GSX said:
Not THAT many people are purchasing FP30 series turbos. The majority of DSM turbos out there, in fact every DSM turbo out there, aside from the FP30 series, all require the wastegate to be located somewhere else if an external setup is to be used. I mean christ, how many people on these boards blow their nuts when they hear the word DNP, and yet no one makes any comment to the DNP being often a dumped manifold, and its dump requires even more extra piping than this design and it costs about twice as much.

If you dont like it, dont buy it. I too run a SS heat shield, but that doesnt take away from the fact that I think SBR went in a good direction with this manifold. Their old manifold had one thing going for it, that you didnt have to dent the water pipe, aside from that it was simply a ported 2g manifold. Now how can you honestly tell me, that by having such an easily accesible, bolt on, affordable external wastegate mount option such as this is a bad idea?
I never said it was a bad idea, I just said it wouldn't benefit me. Plus if I was gonna use an external WG I'd want it at the collector just because it makes much more sense to me.

I'd rather not buy a manifold and have it ported when the one they had cast was good enough to not need the extra porting.
 
#13 ·
dohcstunr said:
i don' think the wastegate flange will impede flow at all if its not pre tapped since its cast into the manifolds external dimensions. the runner on the inside will be just as smooth as if the flange wasn't even there. it has the threads for the stock heat sheild as well. not sure if you would have to cut or reshape it to clear the wastegate flange.
They claim her updated design outflows the evo3 manifold.
it comes with a 7cm gasket that is ported to match the collector flange. must mean the flange is larger than 7cm.

I ordered mine fully ported
it will be here next week and i'll show pics
i think its going to be a great match for my bullseye turbine housing and tubular o2. but we'll see. :)
Def get some pics, if it doesn't impede flow I might consider just getting it reshaped to remove the external wg mount.
 
#15 ·
****** said:
Just use a ported 2g mani. There's zero need for that thing.
You cant get a wastegate onto the stock manifold. If you wanted an external wastegate with a 2g manifold, it leaves you with 2 options. Get one on the O2 housing, which costs money, or have a flange welded onto the 2g manifold which often cracks and causes the wastegate to fall off. There is definately a market out there for this manifold, I dont see how you guys can honestly say it isnt needed. It is something that has never been produced for DSMs before, it definately can be used.
 
#16 ·
They crack off when people wirefeed weld them or w/e. That is not the correct way to have something welded to cast iron. Even having it done would be cheaper, but i guess this is easier for many...

You can have 1 tig welded correctly on for probly 40$, pickup a used 2g manifold for as cheap as 50$ on ebay lately and port it yourself. But if youd rather spend more and feel its easier w/e. But its true, there is no real need for it because there are other options. But its just easier for some.
 
#17 ·
Slow boy racing cast iron race manifold
It finally arrived a couple of weeks ago. i ordered it fully ported. the port work is amazing on it. it mates up perfect to my bullseye housing. i really can't speak for the hp gain. all i can say is that my spooling has never come on faster, and the revs have never felt sooo smooth. seems to be holding boost in the higher rpms better as well, but htat might be just the bullseye housing.
this thing is just a work of art. but you don't have to take my word for it. See for yourself.

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i'm very pleased
 
#20 ·
MaNGiNa24 said:
Anyone know if the stock or a stainelss steel heatshield would fit on that sucker if you grinded down the external wastegate mount?
It has the threaded holes for the headshield, you'd probably just need to trim the corner of the heatshield where the external wastegate is.
 
#21 ·
anconover said:
They crack off when people wirefeed weld them or w/e. That is not the correct way to have something welded to cast iron. Even having it done would be cheaper, but i guess this is easier for many...

You can have 1 tig welded correctly on for probly 40$, pickup a used 2g manifold for as cheap as 50$ on ebay lately and port it yourself. But if youd rather spend more and feel its easier w/e. But its true, there is no real need for it because there are other options. But its just easier for some.
Not to knock anybody, You can easily weld a wastegate flange to a 1g or 2g mani if you use a stick electrode and NICKLE rod. It will not crack if done properly. I just figured Id mention it for future reference.