cortinadale
Posted a lot
luvvly jubbly!!!!
Posts: 1,199
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Oct 23, 2010 18:08:42 GMT
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talk to me!!! ive got a standard 2.8 v6 in a cortina, will it cope being turbo'd?  |
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We learned from an early age that...people who change signatures suck balls ;-)
1978 Cortina 2.3 ghia
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cortinadale
Posted a lot
luvvly jubbly!!!!
Posts: 1,199
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Oct 23, 2010 18:20:11 GMT
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We learned from an early age that...people who change signatures suck balls ;-)
1978 Cortina 2.3 ghia
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cortinadale
Posted a lot
luvvly jubbly!!!!
Posts: 1,199
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Oct 23, 2010 18:20:34 GMT
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these are the parts ive got for the conversion
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We learned from an early age that...people who change signatures suck balls ;-)
1978 Cortina 2.3 ghia
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Oct 23, 2010 18:43:26 GMT
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Didnt Turbo Technics do a conversion for the Ford V6?
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Koos
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cortinadale
Posted a lot
luvvly jubbly!!!!
Posts: 1,199
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Oct 23, 2010 19:05:13 GMT
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they did, but only on injected versions. this is a carb set up thats been made to fit a cortina(space issues)
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We learned from an early age that...people who change signatures suck balls ;-)
1978 Cortina 2.3 ghia
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fad
Posted a lot
Posts: 1,781
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Oct 23, 2010 19:08:27 GMT
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Ford V6 blocks are cheap enough if you explode it. Bolt the curse word on, limit the max advance of the timing and run the curse word.
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Oct 23, 2010 19:33:15 GMT
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Didn't Broadspeed do a V6 turbo Capri? Maybe Essex rather than Cologne, but basically by sealing the carb into a box and pressurising the box... ...or something.
Of course I could be completely wrong. It has happened before.
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fad
Posted a lot
Posts: 1,781
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Oct 23, 2010 19:40:37 GMT
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Blowthrough a naturally aspirated carb doesn't work without extensive modification of the carb, since it relies on air being drawn through and the negative pressure inside the venturis to deliver fuel.
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Oct 23, 2010 19:50:52 GMT
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Didnt Turbo Technics do a conversion for the Ford V6? Brodie Brittain Racing (BBR) did a carb turbo on the 2.6 litre Mitsubishi Shogun. It was a very basic affair with carb/intercooler etc...no internal mods.    Power output was reportedly 240bhp which is pretty impressive! When I had mine (the one in the photos) I spoke to David Brodie when I was about to start getting mine sorted and he was very helpful. It might be worth giving him a call and see if he can offer any advice about converting a carb'd car to a turbo. He really does know his stuff and I always found him very helpful. Always worth a shot? |
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cortinadale
Posted a lot
luvvly jubbly!!!!
Posts: 1,199
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mmmm thats an idea, could you pm me his number please? |
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We learned from an early age that...people who change signatures suck balls ;-)
1978 Cortina 2.3 ghia
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use 2 carbs from an R5 GTT  they are designed for boost and are 1.4 engines. or am i talking curse word ! |
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fad
Posted a lot
Posts: 1,781
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Oct 24, 2010 19:45:56 GMT
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use 2 carbs from an R5 GTT they are designed for boost and are 1.4 engines. or am I talking curse word ! It's gonna be interesting balancing two carbs on boost. They are higher revving than the V6 though, I wonder what sort of volume of air they are designed to deal with..? Twin turbo maybe..?  If you are really serious, then a megasquirt or similar would solve all your problems. |
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fad
Posted a lot
Posts: 1,781
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Oct 24, 2010 19:47:19 GMT
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... I've just realised you already have all the bits, so what are you worried about??? lol!
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Oct 24, 2010 20:35:49 GMT
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Blowthrough a naturally aspirated carb doesn't work without extensive modification of the carb, since it relies on air being drawn through and the negative pressure inside the venturis to deliver fuel. wrong. normally aspirated air is not drawn through. it is pushed. the atmospheric pressure pushes the air through to displace the lower pressure in the cylinders. so extra turbo boost pressure wont make any difference. the air as it goes through the venturi speeds up causing a depression so it will draw fuel through the jets. increase the pressure the air STILL speeds up causing a depression. the only mods needed is to make sure the float chamber is running the same increased turbo pressure and the fuel delivery pressure rises the same as the turbo pressure. run too much pressure and it can crush the float if it's a brass one. for fuel pressure run the same as a Renault 5 turbo, Montego turbo system. high pressure fuel pump (fuel injection pump) with a return and a fuel pressure regulator connected to the boost pressure. so you still have the 2 psi fuel pressure but it will go up as boost goes up keeping the pressure 2psi above boost pressure. there are plenty of electronic retard systems or for a simple retard system get a vac advance with a double inlet (one each side of the diaphram) and connect so the ignition retards under boost should all be really simple. it'll be the fine tuning of the mixture and the ignition to make it reliable will be the hardest part. |
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