Anyone running a Schimmel short intake manifold N / A??

[dub16 9]

Hi I was wondering if anyone could help.

I currently have a schrick manifold on at the moment, last time I was on the track the intake temperatures were very high which result in a power loss. Very frustrating.

I am gathering the bits to take the engine to the next level. I am still deciding which duration cams to go for (either schrick 268's or 276's) and that will depend how much I am driving the car on the road in the new year. A friend who has a high power VR6T rallye suggested fitting a Schimmel short intake (which he has sitting to go on his) to combat the inlet temps rising so much on track.

The bottom end will be going to the local machine shop to get lightened / balanced to rev higher and i've got a US spec mk4 head gasket to raise the compression. I was just wondering if anyone could help with the intake manifold advice to see if it is worth getting rid of the schrick mani and buying a schimmel.

I am building the engine / box to a pretty high spec for manly using on track so was just wanting to do it right.

Many thanks,

Marty

[xyber 1]

Think i'd keep the schrick whilst n/a and heat wrap the exhaust manifold, but for a turbo diffinatly get a schimmel, makes life so much easier/neater to fit the intercooler and gets the TB away from the hot exhaust mani and turbo, and looks the daddy! haha schrick manis are designed to work with 268 cams the best

If you sell the schrick mani im very interested

[FishWick 21]

Wouldn't be Dave Manson with the Rallye VRT would it? :-)

I have the Schimmel manifold on mine. I've run it naturally aspirated, with a supercharger and now a turbo. It's a great peice of kit. I didn't really feel a drop in bottom end response compared to the the standard manifold, but you will notice it compared to a schrick.

I use a 1.8T air temp sensor in it as it's instant and accurate. The VR6 one is complete toss, it heat soaks and takes 10 seconds to register a change in temp. It's useless! But anyway, intake temps with a turbo and chargecooler are very low, 5-8 deg above atmosphere.....not sure what temps you will see being NA, but it will definitely help!

[dub16 9]

Thanks for your reply kevhaywire.

It is indeed Dave, was speaking with him about the best way to get round it, he suggested I could louvre the bonnet to let air in and out (which I am planning on doing) but the only real way to combat the higher air inlet temps would be to fit the Schimmel,

Ye I can imagine that I would miss the mid range the schrick gives, it is a hard one to know what to do.

The Schrick is not a standard one either and would come in to its own when I get the BVH on as it has been gas flowed and matched to the head (which is quite a high spec as well)

I may be being thick here, but I take it you only managed to fit the 1.8T air temp sensor because you are running the Schimmel manifold or would I be able to fit one to mine as well? If so how did you go about it?

Sorry for all the questions.

Thanks,

Marty

[ChrisP 0]

I have a brand new schimmel for sale if you are looking for one......

http://www.vr6oc.com/e107_plugins/forum/forum_viewtopic.php?190837

[FishWick 21]

Small world!

Personally speaking, the schrick is fine as a part throttle, mid range weapon for the road....but when running high revs all the while, it's actually a bit of a hinderence.

I'd lose it personally!

I have a big valve head too. 1mm oversize inconel valves, it's awesome. Got it from America as UK builders want uttery ridiculous money for a BV head. It will make a nice difference. Running titanium retainers and collets too?

What capacity are you running? It's generally accepted in 12V circles that the head flows sufficient air for the 2.8 and 2.9 capacity, but when going up to 3.0, a BV head restores the balance.

Yeah I have my 1.8T sensor in an adapter plate I had made for the SP intake, but you could mount in the intake itself if you wanted. You probably could mount it in the Schrick too.....in the main plenum area where the flapper is.

I think the best advice on how to fit one is to buy one and it will become very obvious what needs doing! Not a simple screw in job I'm afraid and I forgot, it won't work on the VR6 ECU either. I keep forgetting I'm running a standalone!

[dub16 9]

Yes it is indeed a small world.

Dave had a chuckle after I told him you'd replied to the thread

I am pretty sure the head is I have is running 3mm bigger inlet and 2mm bigger exhaust but could be wrong. I know there is a bit of overlap in the valve seats. Will have to check with the friend I bought the head off. Yep titanium retainers are in, not sure what you mean by collets though?? I am planning to fit some lightweight cam followers as well.

The schrick has been matched the to head and gas flowed so I may just fit the head, buy cams and se how it performs and let the finances recover. From what your saying it sounds wise to fit a schimmel the same time as putting it on stand alone? It is a standard 2.9 at the moment.

Thanks for you responses.

Marty