yep, I got it backwards.....just call me ol' Wrongway

 

Call me backwards

Nah, that ain't kind. We been all over it on this thread & up to 6 pages now

Hey who can tell me :

@ what revs do U say IS the power band (15 - 2200?). For the 300 I6?

Mine is - top HP: 4400 rev; top TQ: 2400. After my 600 posts to this forum (n 6 mo of readin) and reducing to even less on rd mi (down to bout 30% on rd), the 300 swap is sounding better n better. I like the 250 I6 r e a l good: 240 tq @ 1600 rpm. But am havin trouble findin 1. 300 EFI wouldn't B hard to find, inexpensive (extensive ! fitment issues tho). With that, I'll say it one more time: Thanks Guys!

 

wish i could give you an answer.....but i havent got to hear mine run, yet. possibly, this weekend. wont be able to drive it, however. driveshafts havent come back from modification, yet

 

I'm sorry I can't give you concrete answers, but my EFI 300 seems to make best power from 1,500 to 3,500. The EFI 300's powerband is more in the mid-end than the bottom end like the carb'd versions. Mine pulls harder on the hills if I stick it in second gear, which revs me up to 3,000 rpm.

The truck does okay off idle though, just nothing really impressive.

 

six cylinders of fury.....i'm tellin' ya

 

The 300 makes more power per cylinder than a V8 of equal size.

 

Tough question to answer. I’ve either had or had access to a lot of different trucks over the years. Engines from 2.4l four cylinders to V8’s. Ford 300, 302, 5.4L, 351, 390, and 429. Chevrolet 250 I6, 350, even one with a Pontiac 350 (later changed to a Buick 350). Dodge 225 slant six, 318, and 360.

Out of all the trucks, the straight-sixes had something that the V8’s just couldn’t emmulate, that low end torque that gets produced.

The slant six was in a 71 D-300. The truck was about as close to being unstoppable as they come… unless of course you wanted to run over 72 mph… lol! Loaded, unloaded, or pulling a small case backhoe/trencher we had, you still got your 72 mph.

The Chevy I6 always did okay, but it always seemed to lack the torque that the slant six or the 300 has.

As far as durability, my 99 F150 (5.4l) has 140,000 miles on it; I’m getting ready to pull the engine… my 94 F150 (4.9l) has 350,000 miles on it; I use it to commute to work, and I’ll also be using it to go and get the parts to fix the engine in my 99.

The 4.9l, although not as strong as many of the V8’s is simply a more durable, longer lasting engine. The slant six would pull a close second in my book. Out of the V8’s the 5.4l would be my pick, but even with it’s higher torque and horsepower, it’s simply doesn’t have that “truck” feel to it and it certainly doesn’t have the durability of the 300.

It really depends on what one is looking for in an engine, but one would be hard pressed to find an engine that will work as hard and last as long as a 300. Any gas engine that can go 500-600k (and many 300’s have) has more than earned the right to be called the best. I don’t know of any other gas engine in a truck that has done this.

 

there is iron in your words for all to see

 

not lookin to compair, straight 6 has more tq per cube than other motors (c my earlier statements on engine geomitry, sorry I'm not an egnineer or mechanic so may have terms wrong). Just tryin to find out if the I6 300 has "it's stuff" low enuff in the revs for what I seek. A diesel would. You know - 1200 - 2500 rpm or so, lower the better.

Thanks for the info on carb v efi. Seems like the 300 carb has lower end stuff than the injected? 's OK w/me, tho I was lookin to up grade to one (efi).

 

Don't know if this is true or not but I think the carb'd 300 makes it's torque at 1,400 rpm.

 

A 302 has more torque and horsepower than a 300 and it produces it’s torque at 2400 RPMS.

Edit – After posting this I wondered, since there is only about 400 RPM’s difference in the torque ratings of a 300 and a 302, what the torque curves of each engine looked like. Does anyone know which one holds a flatter more consistent amount of torque throughout the RPM range of the engine?

 

carb'd 300 makes it's torque at 1,400 rpm

Cool, thanks Bill.
(West Virginia: the southern most northern state, northern most southern state, western most eastern state and eastern most western state. if U took ur thumb n squished it out it would B bigger n your last home state.)

there is only about 400 RPM’s difference
Denbar: where did U C the rating/chart or whatever lists this 400rpm difference. Can U post it? Thanks (I wanna C hp n tq rpm peaks) and no, I don't have one of those nice graphs...wouldn't that B great!!! (got 1 4 my motorcycle tho).

 

Here's a 302 HO VS a mostly stock 300.

 

chrlsful,
I had a 93 F150 with a 300 and a 96 F150 with a 302 and I remembered the 302 having more hp and torque. To make sure I looked it up in a Chilton’s manual that I have for the 94 that I have now. The specs are close on torque but the 302 still has more; 10 ft. lbs I think. The 4.6 liter also has more even though it is a smaller displacement and I’m thinking that the 4.2l v6’s torque rating is right there with the 300.

I was curious about the torque curve to see if that’s what made the 300 standout. Peak torque is one thing, but an engine that can hold torque across a wider RPM range always makes a better workhorse.

Don’t get me wrong, I’m a big fan of the 300 and I do believe it is one of the best (if not the best) gas engine ever made. Not only was it used in trucks but in all type of industrial applications as well due to its power and longevity.

Speaking of West Virginia, it may be small, but it’s an awesome state! My wife and I love it there… beautiful country! We are planning a trip back up there this June to Capon Bridge.

What kind of bike do you have? I have a Suzuki DR650… yet another low end torque monster! Yes... it’s true, I’m addicted to torque!

 

Thanks 6cylBill!

I have been surfing for one and havn't been able to find one. I'm a little surprised by this one, it looks like the 300 is getting its peak torque around 4500 RPM's? Different cam maybe?