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NA - 4A-GE/3A-LU Whether it's a street motor or a Formula Atlantic, you can find the answers here.

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Old 04-30-2008, 01:35 AM   #1 (permalink)
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so confsed

okay if i was able to get a 4ag-e 20v silver top front clip what tranny do i need to get and what mods must be made to accomidate for the new tranny and motor? also is a black top that much better?
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Old 04-30-2008, 05:52 AM   #2 (permalink)
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did you read this before you posted it? you can use your trans (i did). you can use your standard headers but if you do i am lead to believe you will need to drill some mounting holes but with a black top you cant use your standard headers (bigger exhaust ports on the black top). You will need a new air intake as your standard one is 2.5inches and the 20V is 3 (most pod filters have a 3 inch neck). as for the wiring i would go for MR220V's plug and play harness, im in australia and didnt get it and there was so much stuffing around to get it correct. In the USA i am told the black top is hard to come by but that is what i went for because it is newer and i didnt need to run an AFM. When doing the conversion it would be a good idea to do things like your clutch (it will be out anyway) fuel filter (you can actually get to it) and make sure your brakes are in very good condition (you will need to stop once you have had your fun). any more question then just ask but if i were you i would post in the 20V section
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Old 04-30-2008, 06:50 PM   #3 (permalink)
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yah NA 4age isnt this it

and i cant decide between silver top swap or a 4agze motor
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Old 05-02-2008, 01:53 AM   #4 (permalink)
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I've heard the black top is better because of the 6 speed.
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Old 05-02-2008, 01:54 AM   #5 (permalink)
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well yah i dont want to have to mod the tranny and i dont want to have to deal with much more so im sticking with the sc
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Old 05-21-2008, 01:11 AM   #6 (permalink)
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The black top is hands down a better motor. But many Aussies say that they break rods all the time.
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Old 05-22-2008, 11:02 AM   #7 (permalink)
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Wow, I know I had answered your transmission questions in the numerous posts youve made on this subject.

Use your stock trans, simple. If your good with a drill and a bit, use the new trans.

All BT's do not come with 6 speed's, theyre actually rare, thats why a 6 speed BT swap costs over $2k.

And yes the BT's weak point is the rods thats all, it is only a slightly better motor all in all.
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