Advice needed. 1996 F150, 4.9L

[TFB1]

Originally Posted By: TFB1


Maybe at their rated RPM, but once the 302 gets a few revs it's all over for the big I6... Then again that's why they last, rarely rev over 4k RPMs... If a V8 were cammed similar and used high velocity ports(basically poor flowing over 4K RPM), power would be similar if not greater as there are two more cylinders firing for each 360* of crank rotation...

I've driven many work vehicles with the 300, I take the whole motor(V8) any day...


[censored] BITOG can't edit for [censored] around here...

I should have said either one cylinder for 360* or two for 720* rotation...

 

[Hyde244]

Use the 5w20 with confidence, especially since it is a Ford product.

 

[OVERKILL]

Originally Posted By: TFB1


Maybe at their rated RPM, but once the 302 gets a few revs it's all over for the big I6... Then again that's why they last, rarely rev over 4k RPMs... If a V8 were cammed similar and used high velocity ports(basically poor flowing over 4K RPM), power would be similar if not greater as there are two more cylinders firing for each 360* of crank rotation...

I've driven many work vehicles with the 300, I take the whole motor(V8) any day...


The 302 lasted a very long time (in my experience they are next to indestructible with that little 3" stroke) and in lopo trim, was pretty much setup as you described above.

I had the nylon timing gears fail on my 300 I6, so I swapped it out for a 302HO from a Mustang. THAT woke the truck up big time.

 

[cb_13]

302 is great for a car. I would take a 300 that makes it's torque down low over a 302 in a work truck anyday. The nylon timing gears were a horrible idea but they only did that on certain years if I recall correctly.

 

[TFB1]

Originally Posted By: OVERKILL
Originally Posted By: TFB1


Maybe at their rated RPM, but once the 302 gets a few revs it's all over for the big I6... Then again that's why they last, rarely rev over 4k RPMs... If a V8 were cammed similar and used high velocity ports(basically poor flowing over 4K RPM), power would be similar if not greater as there are two more cylinders firing for each 360* of crank rotation...

I've driven many work vehicles with the 300, I take the whole motor(V8) any day...


The 302 lasted a very long time (in my experience they are next to indestructible with that little 3" stroke) and in lopo trim, was pretty much setup as you described above.

I had the nylon timing gears fail on my 300 I6, so I swapped it out for a 302HO from a Mustang. THAT woke the truck up big time.


There ya go, I have a friend who has a Lo Po 5.0 in a '88 T-Bird he bought new, NEVER OPENED, now has 357K mi(yes MILES)... Was t-boned maybe three years ago so it's out of service but would probably have 400K miles if it were still driveable, he was commuting around 130 mi daily to work & home...

 

[OVERKILL]

Originally Posted By: TFB1
Originally Posted By: OVERKILL
Originally Posted By: TFB1


Maybe at their rated RPM, but once the 302 gets a few revs it's all over for the big I6... Then again that's why they last, rarely rev over 4k RPMs... If a V8 were cammed similar and used high velocity ports(basically poor flowing over 4K RPM), power would be similar if not greater as there are two more cylinders firing for each 360* of crank rotation...

I've driven many work vehicles with the 300, I take the whole motor(V8) any day...


The 302 lasted a very long time (in my experience they are next to indestructible with that little 3" stroke) and in lopo trim, was pretty much setup as you described above.

I had the nylon timing gears fail on my 300 I6, so I swapped it out for a 302HO from a Mustang. THAT woke the truck up big time.


There ya go, I have a friend who has a Lo Po 5.0 in a '88 T-Bird he bought new, NEVER OPENED, now has 357K mi(yes MILES)... Was t-boned maybe three years ago so it's out of service but would probably have 400K miles if it were still driveable, he was commuting around 130 mi daily to work & home...


I upgraded the lopo in my Townie to an HO, that car currently has ~350,000Km on it and runs like a top. I gave it to a buddy of mine and have no doubts that it will easily top 500,000Km with ease

 

[demarpaint]

Originally Posted By: TFB1
Originally Posted By: Flareside302
he'll be ok.. definitely not preference. it was back-spec'd to 5w20 though.

and as above people have said, look up indestructible. you'll see a 300 I6 (4.9)


They are tough but a good part of the reason is they don't make enough power to harm themselves...



They made a lot of power low in the rpm range which we found great for pulling boats out of the water.

 

[Garak]

I'd leave it for now, but going forward, if it were me, I'd stick to 5w30 year round. Ignore the 10w30 in my sump - that's the last of a stash from a sale that was too good to resist.

 

[glazer1972]

I wouldn't sweat it. I would probably go back with 5w30. Having said that when I had a 300 I ran a little bit of everything. 5w30, 10w30 and 15w40...

 

[wtd]

Thanks for all of the replies. I'll tell him to use 5w30 next time.

Since he used the oil I had set aside for my Mustang GT, I guess I get to decide if I want to use the Motorcraft or go with something else.

Wayne