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Hey i have a 93 sentra parts car with a low km ga16de like 155,000 kms and my good sentra has 256+ kms now my question other then sensors and manifold what is the difference from the black top(99) ga to the sivler top(93) i have read the black top has 115 hp and the silver 110 hp also something about 2 compreshion rings what is a better motor the 92 would chirp the tires but the 99 wouldent also im swaping gearboxes at the same time as the 99 lost revurse and 3 and 4th.

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2018 Nissan Pathfinder SL
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I am sure there is a more though answer, but here goes. search for more.
Yes the later GA has one compression ring. Does it matter ? apparently not, these things run 200k miles...
As i understand it from reading here the changes include ports and intake manifolds to make more power and i assume the reduction in friction from only one compression ring.
Also i understood the earlier GA made 105 hp vs 115 on the later ones.
93's weigh less than 99's
good luck...
 
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