sick of 4.6.. is there a 5.4 engin swap?
08-25-2009, 11:33 AM
#22
4th Gear Member
Join Date: Aug 2008
Location: dallas
Posts: 1,009
If you were to do a swap you would be far better off to swap with A 4V Termie motor IMOP. If yer spinning rod bearings readilly than you have some sort of issue and the motor itself is not the problem. I think 15-2000 for a motor swap is an extremely conservative estimate. You couldnt re-build the 4.6 for that much. you may be able to fandangle the motor itself for 15-2k, but in the end it will likely cost much more. unless you wanted to swap and still have a gutless wonder.
08-25-2009, 11:38 AM
#23
4th Gear Member
Join Date: Aug 2008
Location: dallas
Posts: 1,009
Im talkin about if you plan on modding it. If you want to keep the stock hood you have to drop 700$ on an intake... headers ~1100 (like you said), then forging the bottom end is gonna cost a lot.
Thats a lot of money, unless Im missing something. My whole point is that its cheaper an smarter to mod the 4.6
Thats a lot of money, unless Im missing something. My whole point is that its cheaper an smarter to mod the 4.6
08-25-2009, 09:02 PM
#24
Thread Starter
Join Date: Jul 2009
Location: new york
Posts: 13
yeah ive researched how common and prices between the 5.4 and the 4.6 and have decided that buying the 5.4 would be cheaper in the long runand ill just keep the 4.6 on the engin stand for later or maybe sell the piece of **** on ebay.... and the mechanic that put my motor together was my dad and hes been a mechanic for over 30 years and can tear down and rebuild motors with his eyes closed he has done several others before with no catastrophic failures like this p.o.s
08-26-2009, 09:30 AM
#26
Banned
Join Date: May 2007
Location:
Posts: 4,064
well you have no need to spin 7500 rpm anyway... a 5.4 is better because its a cheaper way to get a stroked motor. The 5.4 is good to 7k though, but no matter what your going to need new valve train, 4v heads are still garbage, even once you race port them, they just fall into basically decent (275cfm+)
... that why I went SBC
... that why I went SBC
08-27-2009, 06:20 PM
#27
Thread Starter
Join Date: Jul 2009
Location: new york
Posts: 13
well you have no need to spin 7500 rpm anyway... a 5.4 is better because its a cheaper way to get a stroked motor. The 5.4 is good to 7k though, but no matter what your going to need new valve train, 4v heads are still garbage, even once you race port them, they just fall into basically decent (275cfm+)
... that why I went SBC
... that why I went SBC
who makes the small block chevy swap!?!?!?!?!?!?!? and what all is involved?
08-27-2009, 08:43 PM
#28
Banned
Join Date: May 2007
Location:
Posts: 4,064
SBC is as easy as it gets... AJEracing is a good place to start. Im building an LSX and leaning towards running the 496, but I still have more research to do... its probably better to keep it square and run a 454 w/ boost
