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Thread: Engine rebuild/replacement options.
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ScottyG
1st Gear
Posts: 33
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posted September 23, 2002 06:09 PM |
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Engine rebuild/replacement options.
Here's the deal:
I have a decent '74 Repu that is in need of an engine overhaul (lots of smoke).
I would love to retain the original 4-port 13B, so here's the first few questions:
-Should I attempt to rebuild what I have?
-Find a used one (but where?)?.
-Buy a rebuilt version (from whom?)?
Or would it be more practical to put a 6-port in it?
-What's generally involved in a swap?
-Retain the carb or retrofit it for F.I.?
-What's the difference in hp/torque?
I realize this is a big list of questions, so any or all questions answered will be appreciated.
Thanks,
Scott.
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Rotor
Revvin Up
certifiable rotorhead
Posts: 70
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posted September 24, 2002 08:34 PM |
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quote: Here's the deal:
I have a decent '74 Repu that is in need of an engine overhaul (lots of smoke).
I would love to retain the original 4-port 13B, so here's the first few questions:
-Should I attempt to rebuild what I have?
Sure, why not! If you wanna keep it original, rebuild what ya got. You can still get the parts, and it's not that hard to do if you are so inclined!
-Find a used one (but where?)?.
Hard to find them these days.
-Buy a rebuilt version (from whom?)?
Go that route, I'd go with a Mazda rebuild. Although some of the aftermarket rotary builders don't do too bad.
Or would it be more practical to put a 6-port in it?
-What's generally involved in a swap?
6 port is a fairly straight swap. All you need is an adapter for the 4 port manifold to 6 port engine. Or you can use the D'ellorto/weber conversion.
-Retain the carb or retrofit it for F.I.?
See above. FI would be neat, but requires a good bit of work.
-What's the difference in hp/torque?
My guess would be fairly little. FI big advantage is driveability and fuel economy.
I realize this is a big list of questions, so any or all questions answered will be appreciated.
Thanks,
Scott.
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ROTOR
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