DD. Build

[Truckin4life]

Quick question. On the 351 I know a 650cfm is suggested but ifound a great deal on a 750.. am I createing more problems???? By using a 750cfm vs a 650 cfm Carb?

 

[1985 Ford F-150]

Youll drown it and it wont have any low end if ya get it to run.

 

[Truckin4life]

As I figured, couldn't hurt to ask though.

 

[LEB Ben]

Youll drown it and it wont have any low end if ya get it to run.

Agreed...you'd have to jet down pretty far to get that thing to run remotely right.

 

[dragogt]

Quick question. On the 351 I know a 650cfm is suggested but ifound a great deal on a 750.. am I createing more problems???? By using a 750cfm vs a 650 cfm Carb?

Get it, and IF their right and it does not work; I'll trade ya for the one that came off my 5.0.. (Vac or DP)

Youll drown it and it wont have any low end if ya get it to run.

Agreed...you'd have to jet down pretty far to get that thing to run remotely right.

I call BS, I see no reason for it not to work...

 

[Truckin4life]

Aaron you has a 650?

 

[dragogt]

IIRC its a 600-650.. Idk witch....

 

[Truckin4life]

Text me yo.

 

[dragogt]

My stupid phone wiped yo num...

 

[LEB Ben]

I call BS, I see no reason for it not to work...

Read up on carbs...the number one problem for guys using carbs is they think bigger is better. Not true, results in too much fuel, hard to tune right, and takes away from the bottom end. Like I said, it doesn't mean it can't be used, but it'll need to be jetted down pretty far to be used and if not, anything 'extra' most guys think a big carb will yield is useless. A 351 wouldn't need anything more than 600cfm, unless it's hopped up pretty good. Keep in mind, 460's (109 more ci) came stock with a 600cfm carb.

 

[optikalillushun]

i would say, 75% of the people with hopped up diesels dont fully understand when u add more fuel un eed to add more air. most guys throw on an intake/exhaust, tune and maybe injectors. with larger injectors it'll smoke more and push the EGTs to the borderline. adding a more efficent and larger turbo will clear up most of the smoke. only real time it'll smoke is on a hard pull out or when being lugged. a very faint light gray haze pulling out is normal.

on the carb end, the 460 with a 600 is severly strangled. i would say, a 750 cfm carb would run OK on a 351, it is a little large but its not like the truck wont run. would said 351 be bone stock or have a few add ons?

 

[Truckin4life]

351 has under drive pulley and headerts...

 

[dragogt]

Ben,

http://sbftech.com/index.php/topic,8087.0.html .. http://www.pro-system.com/pjames011900.html

I had a better reply typed out but I lost it..

 

[Truckin4life]

Well I have decided to fxc bc up and dd it, then I'm gunna buy a trefiddy for a toy, comes with a bb and tons from the start.

So the truck is currently with out an interior and is going to be cleaned up and completely redone. I will likely stay with the ttb front for awhile.

Trucks going to be redone front to rear so it can handle dd duty, it will keep the 37"s too. Likely go with a 4.56 regear but might jump to 4.88. Not sure at the moment.


Pics and updates to come.

Once I really get rolling ill start a big project thread.

 

[dragogt]

Toy....

http://houston.craigslist.org/cto/1831185910.html

 

[Truckin4life]

This is where it gets tricky... I think I want a mud toy, but a street diesel does sound fun....

 

[dragogt]

BTW it is 4x4...

Just sayin.. And your welcome.. :flipoff:

 

[Truckin4life]

But its a 250 which means ttb. thanks though.

 

[dragogt]

on a diesel???

 

[Truckin4life]

Yup it will have the dana 50 same as my truck. No 250's had a solid axle.