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03-23-2011
having topswapped and blown it up i says its less work to go with a full motor and trans swap. you'll have less to worry about with the L67. look here for whole motors and trans in your area. car-part.com and try to find a 98+ gp, the others had some slight differences in trans setups.
04 Impala SS Indy: 
03-23-2011
I agree motor swap would be easier if you dont want to but a new GP, especially since you are replacing the tranny too.
If you want to drop pullies in the future on a top swapped motor, i would get a MPS and some bigger injectors. I hear top swapped motors need more fuel so you need to upgrade injectors sooner. But you'll also probably need at least rockers, if not a cam to drop below stock pulley size.
______________________SMGPFC #99_______________________
03-23-2011
you will need a l67 mapOriginally Posted by hockey101
retuned pcm with top swap tune
belts
gaskets lim $55 s/c gasket oem not garlock $9 tb gasket $7 black rtv $7 injector orings $5 lim orings $5 head gaskets $68 probably best to change s/c coupler to $30 s/c oil $16 oil filter $7 oil pick up enought to do 2 oil changes so u can flush the engine after u replace the lim gasket so like 10l $30 probably do plugs to so another $12 someone correct me if i missed anything
03-24-2011
Head bolts, Valve cover gaskets, crank bolt.
______________________SMGPFC #99_______________________
03-24-2011
thanks i knew i was missing somthing go with arp head bolts
03-24-2011
Get a NA engine, cam it and top swap it then motor swap that beast.
03-24-2011
ya definitely gonna just get an l67 and 4t65e. I plan on doin it when it gets warmer and i'm outta school late june or early july (I'm still in highschool).
My budget is about $1500. Is it possible on this budget or will i end up with an engine and trans that will decide to quit on me?
03-24-2011
you might be able to pull it off for that, but you're gonna be real tight on cash.
03-24-2011
It seems possible. just make sure you have some on the side in case something goes wrong.
______________________SMGPFC #99_______________________
03-25-2011
just look around you can find deals
03-25-2011
when looking for an engine and trans how many miles are too many?
When i do the swap I plan on dropping pulley sizes with the engine eventually not sure when.
i found a engine for $450 that has about 155k on it and a trans that has 142k for $350. Should i be looking for lower mileage parts, if so how low? I wouldn't really want to spend more than $1000 on an engine and trans because i want to get headers and a dp aswell.
03-25-2011
im normally content with anything around 80k.
03-25-2011
Its more of a question of what you are comfortable with. As long as the owner didnt totally neglect it, the block will almost always be good. the trans however, it will be a toss up. the lower the better.
______________________SMGPFC #99_______________________
03-25-2011
the only thing is i probably will be buying it from salvage yard because i can't find anybody selling engines or transmissions from a gtp in my area
03-25-2011
No one in motor city...even on CL...has a used 3800...seriously?
03-25-2011
theres one lapeer for 600 but its outta a 95 riveria so its not a 3800 series 2
03-26-2011
Don't bother unless the car is a racecar. Topswapping is a pain in the ass just like a motor swap would be. Stick to stock.
Ask me how I know!
Last edited by Explicit_Spade; 03-26-2011 at 01:53 AM.
Originally Posted by W-Body Store
03-26-2011
find the lowest mile trans you can then find a engine with what you have left the trans is likely to go before the engine just refresh the lim gaskets and so on
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