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Originally Posted by Bugsmasher
Dunno about the price and availability where you live but..
If you dont mind fabricating a shroud (fairly easy actually) out of re-enforced cardboard (like the type used for checker/chess boards), 26 gauge steel (requires some tools for cutting/bending), or Acrlic (I suggest the 1/4" thickness for stability) then I would look around at what car heater cores can easily be modded for your purposes. They tend to run cheaper than rads and due to cooling fin area actually perform better. They are also generally more restrictive to airflow but with the right fans do a dang good job.
You might check for an American Pontiac Parts dealer in your area that carries the heater core for a 1977 Bonneville. The heater core is a 'double' in that it will easily handle 2 120mm fans and is very easy to mod. Visually check the heater core before you buy it if possible. It should have two round tubes (inlet and outlet) that have about a 45 degree bend in them. You can simply cut those tubes off before the bend (leaving as much straight tubing as possible) and then smooth the cut ends. 1/2" ID tubing will slip right onto these and with a couple clamps it shouldnt leak at all.
Here in the US most auto parts stores carry this HC for about $18US. Even allowing for the various taxes etc it should remain a fairly inexpensive option with great performance. If you go with a push/pull config it will handle 4 120mm fans as well. Thats pushing some serious air 
The pics flatline posted look remarkably like the HC I am talking about.
If you will be adding those blocks later on I would definitely go for a better performing radiator/heater core. At the very least I would sincerely consider adding another to share the load. |
i believe you can probably count the pontiac dealers in the UK on the fingers of one foot... difficult/slow/expensive to get US car parts here
i'd be surprised if bulgaria was much better.....