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Surge Tank Custom For Sale

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IMG_1507When one states they have a turbo 240z or any Z car with a L engine, they automatically assume it is done so with EFI.  Then they think the only evidence of a turbo car being run with carburetors is if it is in a Manga or Anime of some sort.  There were intake manifolds for carby Datsuns made by HKS that were included in a turbo kit and I believe available as a stand alone piece only.  Unfortunately they demand a decent penny depending on the shape of them.

Lucky enough, for a pretty fair price, I found one some time ago from ZCCJDM.com in 2005.  It is a custom unit that is a semi replica of the HKS units used in the 1980’s.  Unfortunately you can see as to why it was discounted.

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Connected is the vintage BOV/atmosphere dump valve at the top.

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This surge tank can hold up to 15 psi as I have confirmed in the past with out fail/leaks.  The carbs used were the pph40 sk/o.e.r carbs.  This is not the best way to turbocharge a S30 but it is one way to do so.  The inlet pipe on this is 2in and yes it is a bit or a choker if wanting a big turbo.

 

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Here is the balance tube to make sure all the carbs get as equal as possible air flow.

I have come to terms that I have to many surge tanks and this is one that I will be selling. So if interested please ask questions and here is the ebay link to bid on

http://www.ebay.com/itm/240z-260z-280z-custom-surge-tank-for-turbo-hks-cartech-greddy-/281379111181?pt=Motors_Car_Truck_Parts_Accessories&hash=item418380810d&vxp=mtr

Til next time

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240z HKS surge tank intake manifold….replica

I managed to get my hands on a unique item in that only a few have in the world.  It is a surge tank for a L series engine (240z, 280z, 280zx) to run a turbo or supercharger system with triple carburetors.  It is actually a replica unit of the HKS series 1 surge tank made from sheet metal.

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Yes it was in a garage and forgotten for decades it looks like to me but I am curious if it can still work up to 1.1 BAR as that is the max on Mikuni Solex carbs I am willing to run.  On the upper right hand side you can see the location of what looks like to be a recirculating valve or discharge unit for extra pressure.

Looks like I have some residents in there!!!

Looks like I have some residents in there!!!

Below you can see the inlet where the air will be blown into.  Unfortunatley I will need to source some bolts for the cover as all but two are missing.  Then not to mention I will need a gasket to prevent any leaks of air.
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You can see I may also need to repair some of the metal as the inlet distribution pipe is a bit dented. This will have an impact of air distribution to the carburetors on that side. It can make the carbs run rich and throw the efficiency off par.

There is the dent as stated earlier.

There is the dent as stated earlier.

Will this was a lucky find and a bargain to match at $180 USD. Maybe I can replicate this and provide to the masses this rare part. Only time will see.

Dreams of a Supercharger….GarageMak Z33 SC550

People always ask, supercharger or turbocharger?  My thoughts on the matter is what exactly are you going to use it for (the vehicle), what characteristics do you prefer on power delivery, and is vehicle noise an issue for you.  Both can provide mass amounts of power, both can be reliable, both have been used in motor sports and production cars.  For me it all depends on the type of car it will be on because if i love the N/A noise it make then I will seriously consider supercharging and if not then turbocharging would be best.  Superchargers, at one time, had a sound of an annoying cat.  That all stopped when the Rotrex superchargers came out on the market among others.  Now I am not one that is interested in the big horsepower numbers although that would be great fun.  I think this 350z by GarageMak out of Japan can sum up what i would be looking for….

This Z has a Rotrex unit on the VQ35HR.  I believe the unit is a C38-81 but do not quote me on that.  Now if it were turbocharged the high pitch note would be obsolete due to the gases of the exhaust being recycled.  Where the supercharger is nothing more than an air creator and feeder not a recycler, therefore keeping the high pitch noise of the engine.  Case in point….

Here is the same run without the music if interested….

It comes down to preference within each and every person how they want to modify THEIR car.  They both work the same.  Each have one up on the other on certain things.  But my choice for a Z33 with the VQ35HR would be a supercharger (Rotrex), and in retrospect on the VQ35DE I would go turbocharged.  What would you pic for your vehicle and why?   Til’ next time…

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