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Have you tried adjusting the carb and maybe the timing as well? I have a 300, np435, 3.50 greas running 35's and I can get the tires to spin. Might not be much but they will spin! I used to have the same setup but a 351w instead of the 300. I could spin 1st 2nd and chirp 3rd, on a stock build. Something is not getting you the power you should have!

 

Well when running correctly all of my trucks will peal out without power braking.
Im only 20yrs old but I quickly got out of the burn out stage of life. I found out the coolness factor doesn't out weigh all the money that is going up in the air as smoke. Now I drive like a normal person all the time. I realized there is a problem with this also. After a while of "babying" the trucks get all "stoved up". But now I just air them out going down the road instead of doing a burnout. Saves lots of money.

 

i can do a burnout and powerbrake on my truck with 40 inch ground hawgs and 4.10 gears in second gear, and all its got is a wore out built 460 with like 125lb compression on all cilinders. i know i have a 85 but it has 79 engine and running gear

 

Then maybe you should stop TRYING to tear your truck up..............

 

x2, you wanna play you gotta pay.

 

Bone stock clapped out 351M in my f150 4x4 will roast a 31x10.50 tire off (open diff) auto trans.

My 78 f150 4x4 with a stock spec freshly rebuilt 400 & an auto trans would roast the hell out of the 33's I had on it.

Are you sure it isn't the driver

j/k

 

Lol, I think I'd have to agree.

I don't mean to knock anyone who can't do a burnout, but it's something you learn.

You're not born knowing how to do a burn-out. Maybe someone can make these guys a how-to video?

 

I'm still confused as to what you guys are defining as a burn out. I can get my rigs to power brake all day long. But my definition of a burnout is going from a stand still to pushing the gas pedal through the floor and either smoking the tires/leaving parallels or at the very least hearing the tires bark for a little while.


As I've said before, I've had some healthy rigs in my day in any stock configuration you could think of up to moderately modified, and there are a rare few that could boast the abilities some of you guys are claiming. I realize gearing, parasitic losses and tire size play a major role...but I'm just not buying some of these claims. Currently in my driveway, I've got two rigs with 400's, one pushing 350hp and the other 400hp (chassis dyno'd) with one sitting on 35's and 4.56's and the other on 37's and 4.88's. Both of them can chirp the tires from a stand still, but I wouldn't call it tire roasting in the least bit. I figure those set ups are pretty beastly and produce far more power to the ground than some of these claims.


Maybe I just haven't found the right set up yet.

 

704, where I come from it's the same. Powerbraking is something you can eek out of pert neer anything with an engine and a brake. A burnout is a burnout, no brake, just tires ripping loose faster than they can move the weight of the rig forward.

 

Wish i had a video to post of mine, follow this link to my pics of my 77 with a 460 competing in my towns annual burnout contest. I would find bald junk tires n put em on, they chuck the front tires in place but i still would take a vice grip n clamp down on the brake line between the rear axle n frame so i still had front brakes but the rear axle was free to hook up and burn em both. also my speedometer goes up to 100 mph but i had the needle buried. and at 1 point the valves started floating at 5000 rpm so had to back off.

https://www.ford-trucks.com/user_gal...?albumid=37393

 

https://www.ford-trucks.com/user_gal...5/3457.520.390

 

daaannnggg!!! that was an awesome soundin truck. whats your exhaust setup? thats the exact sound i want on my 78 f-150

 

yes DS7776,u hit it on the head.cut the feed to the rear breaks
maybe put the nose up to a homedepot or lowes a just "f" the breaks alltogether and let them rip

 

thatll surely get you to a burnout