I need to swap my 03 G35 engine. I been looking all around for a engine but i have a question that i tried to research but nothibg came up. Can i put a sedans engine into the coupe are they the same? I went to the junkyard and they keep asking me coupe or sedan...

 

y would u want the same engine. Get more power and get a bigger engine!!!

 

Coupe or sedan does not matter as these cars all shared the same motors with the 350Zs as well. What will matter is the year and trim. I'm not sure if there were any changes int eh standard DE motors from 03/04 to 05+, but 05+ G35s with manual transmissions came with the revup motors that were rated at 298 hp from the factory.

 

=( im a newb.. im open for you guys to give me some advices. The shop where i got the car said he will charge me $800 to do the engine swap.. + i got to buy the engine.. what engine should i get then? this is an unexpected incident that i wasnt planning on spending $$ on..

 

ok so they all the same.. everything will just bolt on to the original mounts, harnesses and e.t.c.. Thanks.

 

Yea, the mounts will all be the same, but the motors themselves are different. If you have an auto, IMO, you should just swap in a motor and tranny from an auto 05+ G or Z. If you have a manual, do the same, but get the revup motor (05+ G35 with manual transmission or I think it's the track Z)

 

I got a 2003 G35 Manual. can i buy the 05 engine 298HP and keep my tranny?? and how do i know if is a OC Engine??? i really dont want one of those..like i said this is something unexpect it where im gonna have to use my plastic card so i dont want to spend too much

hey also i was thinking about buying this engine what you think whats your opinion...

http://www.ebay.com/itm/120929273061...ht_5088wt_1166

 

There are quite a bit of differences between the early 2003 Sedan's and the rest of the VQ's (this is not even talking about the REVUP's)


For starters you have to begin with what ECU does your car have. if it's the 2 plug style you will be compatible with nearly ALL 2005+ Engines non revup. If you have the single plug connector you will have to change the following for your new engine to work with your ECU:

Fuel Injectors, Knock Sensor, and you will have to use your old Oxygen Sensors. The rest plugs right in .

 

It's the same block, I'm not sure if the internals or cams, etc... are going to be different or not.

 

i got a 03 coupe completely stock, guess i have the single plug..



does it matter if internals are different? as long as the engine mounts on to the tranny and all the harness plug in should work?

 

Power output will be different. Altimas have the same motors, but they have been detuned somehow.

 

Don't guess...

Do it right the first time.

 

I completely agree. Unless you have impeccably good luck, guessing costs more money.

 

ok ima check then but i dont think i want one of those rev up engines i dont want to have a OC problem.. so my engine blew up some how now i need a new one, what you guys think about this one overprice?

http://www.ebay.com/itm/120929273061...ht_5088wt_1166

or this one.. can i fit an ''X'' AWD in my G ?

http://www.ebay.com/itm/2006-INFINIT...#ht_500wt_1416

 

revup motors weren't the only VQ motors with OC issues.