HACKGT350

hey guy im usually in the 5.0 section but my dad and i want to get an 84 fox and put our 289 hi po out of our 65 in it. i know why not just fix the 65 well the body is rotted to sh*t as well as the frame my question is this engine should drop right in right? if not what do i need

ModularFox

dang i make a thread about putting a 4.7 in my 85GT and now everyone wants to


im a trend setter.

HACKGT350

haha yeah i noticed that i dont know if you saw the gt350 thread that i have been adding on to but the guy with the white 86 said there is an 84 1/2 20th anniversary like mine up by him with out motor or trans and my dad and i want to drop out 289 hi po in it both of us have the same cars just different engines build them up and see who is faster at the track

THUMPIN455

I am the type who takes rusted out POS hulks and makes them unrusted.. care to part with said hulk of parts cheap?

BillyBobJoe

I've heard that even the 5.0 harness and intake will fit on fine on the 289. Mustangs Monthly put a 5.0 EFI setup on a 289 and it worked out fine, so give it a try. And Thumpin, would you be interested in a 69 Deluxe that I had could only use as a parts car since I dont have the tools to weld and cut the parts it needs? Which is mostly the entire body

Colorado_Mustang

289 and 302 are the same externally, unless you happen to have a 289 with the 5-bolt bell housing.

Brandontyler65

ya the standard efi of a 5.0 will work but not an 5.0 HO unless you use a 5.0 ho cam to change the firing order if i remember right cause there was a warning online about that and it won't run right you might wanna look into that

ModularFox

so what fireing order does a 289 use? i cant figure out wich cam to get for my 289

Colorado_Mustang

15426378 versus the 13726548 firing order for the newer engines. Just pick up a cam for a 351W and you'll get the right firing order for the 289.

The lift/timing specs will vary based on how you want the engine to respond. 48x lift with 21x-22x duration @ 050 will get you a good mild cam for the 289. If you want to take advantage of its revving capability, draw the duration out to 23x @ 050 with around .500 overall lift. Comp Cams is a good company that can make some recommendations based on what you intend to do.

HACKGT350

im not looking to efi it the engine is fine just needs a new home and we found an 84 gt350 20th anniversary that was carbed so all we wanna do is drop it in and does the t5 bolt to the 289?