Check out this intake manifold!

[MAD02]

Was looking through Ebay and found this. I wonder how well this homemade manifold works?

http://cgi.ebay.com/ebaymotors/BMW-2002-320-M10-MOTOR_W0QQitemZ110299139375QQcmdZViewItem?hash=item110299139375&_trkparms=72%3A727%7C39%3A1%7C65%3A12%7C240%3A1318&_trksid=p4506.c0.m245

[bingbong]

downdraft reliability coupled with sidedraft performance? YES PLEASE

[c.d.iesel]

Double "A" intake manifolds = DREAMING

back to earth and straight side-drafts please

think about the hood clearance, throttle synronization,

different front springs for the added weight, a support

system for the hanging masses, and it just suchs.

Makes a nicce display though

[carrosene]

Hey I saw those in person once. They were pretty impressive.

[PSloan]

Did you see them running? It seems like ideally you'd use the middle 2 runners and cap off the outside 2.

[carrosene]

No it was sitting out like it is now. Im sure the guy who made them must have test fit them under the hood otherwise it would be a wasted effort. Other than that I don't really know anything about them.

[H_Krix]

Did you see them running? It seems like ideally you'd use the middle 2 runners and cap off the outside 2.

that would probably cause some booster clearance issues

[aa/fd]

You never know it might eve run better than you think, the torque curve is going to be considerably wider than side drafts due to runner length alone. Peak power is probably a little lacking but around town driveablity might be surprisingly good.

[PSloan]

It seems wise to run a 32/36 on this setup rather than a 38 38.

[peteinjp]

That is just 2 stock manifolds that have been chopped and sealed is it not?

[mossyboy6]

Double "A" intake manifolds = DREAMING

back to earth and straight side-drafts please

think about the hood clearance, throttle synronization,

different front springs for the added weight, a support

system for the hanging masses, and it just suchs.

Makes a nicce display though

Hood clearance would not be a problem because there is no added height.

You can syncronize side drafts cant you?

Added weight? Its like 10 lbs more, were not talking about a hundred lb increase in the engine bay.

[jp02ti]

and agree they look impressive. think about the availability of intake manifolds. doesn't everybody have at least one kicking around? I know I have 2...

and what about a nice 32/36? these should be plentiful and fairly cheap, as compared to side draughts and manifolds. sure, maybe linkage is an issue, and you might have clearance issues with the hood, I don't know the answers there.

syncronization should be easy, same trick as side draughts, just turn your unisyn upright.

I don't know, they could get the same performace as dual weber 40 dcoes but at a fraction of the cost.

What I like about them the most is that they represent the spirit of innovation and improvement. somebody thinks it up, and gives it a try. we're so deep in a world of "off the shelf" that it is refreshing to see something different attempted, even if it doesn't work right the first time.

Anyway, that is my opinion. feel free to disagree, but just be respectful doing it and we'll have a nice reasonable discussion.

Jon

[peteinjp]

I doubt that most cars out really need more than a single 38/38 can provide. One of the advantages of sidedrafts is that they are a straight shot- no bends. The manifold is interesting but I'd try the single sidedraft set up first. It seems to offer the simplicity of a single carb with easy access to the jets etc.

[eurotrash]

This brings to mind the old Chrysler long cross ram dual 4v from the late 50's/early 60's.

This idea is so much cooler though....

[Guest Anonymous]

This type of modification used to be more common that it is now when most tinkerers were left to their own devices rather than order from Edlebrock's catalog. But various manifolding can still be found on and off the net.

I recall seeing an M10 setup running a small 4 barrel holley that used a homemade brass manifold that appeared to be nothing more than plumbing downpipes. This was at Sebring and the car ran quite well or at least it sounded as though it did.

It may be that JAM engineering or other aftermarket outfitters that offered an "L" or "J" shaped manifold to accommodate two or three downdraft Carbs on the M10 engine. Rather than use the stock twin manifolds, the L or J tubes are "apparently" simpler or as simple as the stock setup. I am not sure of the advantages of this "glorified drain pipe" setup, but nothing ventured, nothing gained!http://www.jameng.com/products/images/c-502.jpg I remember this because the manifolds were offered to me for my 02. I had no need for them on my Tii. I think someone else grabbed them and ended up installing a hood scoop.