Bridgeport Wtf!!!!!
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Porting a rotary (street, brigde, peripheral, etc.) is the equivelant of adding a big cam to a piston engine. Check out www.nopistons.com They have a really nice section on rebuilding and porting. This should be required reading for most. So how does it happen that you are in Grand Rapids, but I don't know you? Are you going to Grattan on the 4th? I think I remember seeing Spooledupracing on one of the entries...
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Originally Posted by TitosToy
if you look at the link RETed posted, you can see that the bridgeport was also street ported so yes it is possible to use the same plates
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#8
BDC Motorsports
Originally Posted by TWILSN7
If a motor is streetported, is it possible to bridgeport the same rotor housings or will they have to be replaced? Maybe you could J-port them?
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Originally Posted by BDC
Depends on the side of the port outlet on the alleged street port. In my experience, there's a vast world of opinions when it comes to what a "street" port is. Alot of people port their housings in a way that doesn't lend itself to being bridgeported later with respect to keeping the iron bridge itself thick after the bridgeport cut has been made.
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#10
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J-bridges usually have the shortest life of all the non-peripheral ports. Essentially they're using JB weld because they're cutting into the waterjacket, which will eventually lead to coolant leaking into the combustion chamber after some use. So to put it short and sweet, with a J-bridge, you'll be replacing housings and Irons quite frequently.
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Originally Posted by EJayCe996
J-bridges usually have the shortest life of all the non-peripheral ports. Essentially they're using JB weld because they're cutting into the waterjacket, which will eventually lead to coolant leaking into the combustion chamber after some use. So to put it short and sweet, with a J-bridge, you'll be replacing housings and Irons quite frequently.
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Do regular bridge ports tend to be reliable? It seems like you might have a weak link porting that close to the side of the rotor housing.
If they are reliable, everybody looking for speed should bridgeport. Why not?
If they are reliable, everybody looking for speed should bridgeport. Why not?
#16
BDC Motorsports
Originally Posted by TWILSN7
Do regular bridge ports tend to be reliable? It seems like you might have a weak link porting that close to the side of the rotor housing.
If they are reliable, everybody looking for speed should bridgeport. Why not?
If they are reliable, everybody looking for speed should bridgeport. Why not?
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LongDuck
1st Generation Specific (1979-1985)
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10-07-15 08:12 PM
13b, bridge, bridgeport, chamber, combustion, coolant, difference, fail, jport, leaking, port, rotary, rx7club, wtf