just picked up my first rx7 need advice
10-24-11, 11:08 PM
#1
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just picked up my first rx7 need advice
I picked up a 86 rx7 non turbo its kind of in pieces. Someone was goin to put a weber carb set up on it in which , they cut the engine harness. Now i have a bundle of 50 wires or so. I have all the fuel injection stuff and I also have the carbs , what would be my best option in this case to start taking a step in the right direction ? Thanks in advance for any input, advice and knowledge !
10-25-11, 09:36 AM
#2
Engine, Not Motor
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Ditch the cut harness, buy a new used one, and reassemble the fuel injection. Sell carbs to some sucker and use that to pay for any new EFI parts you may require.
11-08-11, 12:51 PM
#6
Go stock for now
I picked up a 86 rx7 non turbo its kind of in pieces. Someone was goin to put a weber carb set up on it in which , they cut the engine harness. Now i have a bundle of 50 wires or so. I have all the fuel injection stuff and I also have the carbs , what would be my best option in this case to start taking a step in the right direction ? Thanks in advance for any input, advice and knowledge !
Did you do a compression test? You can use a normal compression gage but you have to remove the schrader valve (it looks like the valve in your tire stems). The reason you remove it is so you get a reading for each side of the rotor. A bad Apex seal will leave you with two dead or very low compression readings and possibly one normal. Do this before you get in too deep. If you get a reading on all three rotor sides, even if they're not with 20%??? it's still possible for it to be a good motor. You can try to squirt a small amount of oil into the spark plug hole to see if that evens out the compression. Use an extremely small amount of oil or you'll lock the engine up since oil doesn't compress. One thing to watch out for. If you remove the plugs and water comes out, the motor is toast. You can get it running but it's history.
Back to the electrical, once you've got all the original EFI stuff hooked up and the engine runs, if you should decide down the road to go with a carb, just unplug the electrical connections you don't need.
Good luck.
11-09-11, 08:15 PM
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Jedi Knight
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I've seen abortions like that. I just noticed a 2nd gen wiring harness on Ebay. Were it my car, I would replace the harness and hook all the EFI parts back up.
Did you do a compression test? You can use a normal compression gage but you have to remove the schrader valve (it looks like the valve in your tire stems). The reason you remove it is so you get a reading for each side of the rotor. A bad Apex seal will leave you with two dead or very low compression readings and possibly one normal. Do this before you get in too deep. If you get a reading on all three rotor sides, even if they're not with 20%??? it's still possible for it to be a good motor. You can try to squirt a small amount of oil into the spark plug hole to see if that evens out the compression. Use an extremely small amount of oil or you'll lock the engine up since oil doesn't compress. One thing to watch out for. If you remove the plugs and water comes out, the motor is toast. You can get it running but it's history.
Back to the electrical, once you've got all the original EFI stuff hooked up and the engine runs, if you should decide down the road to go with a carb, just unplug the electrical connections you don't need.
Good luck.
Did you do a compression test? You can use a normal compression gage but you have to remove the schrader valve (it looks like the valve in your tire stems). The reason you remove it is so you get a reading for each side of the rotor. A bad Apex seal will leave you with two dead or very low compression readings and possibly one normal. Do this before you get in too deep. If you get a reading on all three rotor sides, even if they're not with 20%??? it's still possible for it to be a good motor. You can try to squirt a small amount of oil into the spark plug hole to see if that evens out the compression. Use an extremely small amount of oil or you'll lock the engine up since oil doesn't compress. One thing to watch out for. If you remove the plugs and water comes out, the motor is toast. You can get it running but it's history.
Back to the electrical, once you've got all the original EFI stuff hooked up and the engine runs, if you should decide down the road to go with a carb, just unplug the electrical connections you don't need.
Good luck.
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