turbo manifold

[soopachargen]

i know this sounds kinda cheap... and im aware of spending the extra money to do it properly.... but...
Could you make up a collector to go on the end of the 20v primaries to mount a turbo on?? eg have a 3inch long section off the end of the primaries that has your turbo on it?. or are the primaries too long??
Anyone wish to share some pros and cons of the idea before saying dont be a cheap arse... just go and pay 800ish for a proper tuned manifold.

[Malcolm]

I'm not 100% familiar with 20v's, but the usual problem with using a stock NA manifold for turbo is that it makes the turbo sit too low, which is a big problem for oil drainage (has to be higher than the oil level in the sump to allow proper drainage). If you want a cheap option, you can make a simple log manifold, which has a common pipe running across the front of the exhaust ports, with each port having a short length of pipe going into this common one. You then mount a flange onto the common pipe for your turbo. This method also gives very short runners, which is good for turbo response.

[Lloyd]

GOnna sit pretty low. And you should be able to get a nice spaghetti manifold made up for about half that price. Could probably sell you my 20V one in a month or so if you're still looking for one

[soopachargen]

sounds interesting... why dont you want yours anymore hrt? im just building in my head at the moment. Would be keen to see some pics dude.

[Lloyd]

Motor is eventually going into my KE20 and I'll be changing to a high mount manifold. Pic below, 2 layers of heat wrap individually around each running. About $100 worth of heat wrap alone

[1598cc]

I'm not 100% familiar with 20v's, but the usual problem with using a stock NA manifold for turbo is that it makes the turbo sit too low, which is a big problem for oil drainage (has to be higher than the oil level in the sump to allow proper drainage). If you want a cheap option, you can make a simple log manifold, which has a common pipe running across the front of the exhaust ports, with each port having a short length of pipe going into this common one. You then mount a flange onto the common pipe for your turbo. This method also gives very short runners, which is good for turbo response.

bang on, but log manifolds are pritty shit.

[soopachargen]

nice manifold.... is that an evil si one or a nite parts...?? or someone else?

[Lloyd]

Not entirely sure, quite possibly a Niteparts one. Bought it off Phat_GTZ as he decided not to go turbo or something

[strx7]

This method also gives very short runners, which is good for turbo response.

Equal length longer pipes, preferably tuned length, IE extractors, before the turbo give SUPERIOR responce to what short runner ever will.

Find some pics of turbo'd F1 cars from the 80's.