Increase in mpg w/ 4.7L TB

TIJKK1220 · **Posted:** Wed Aug 06, 2014 5:28 pm

12KK SFD wrote:

TIJKK1220 wrote:

The crank over idle is higher. You'll notice slight surging at idle. And if you are to rev the engine in N you'll notice that the rpms hang for a while.

Your computer will start compensating for those things after a bit of time

How long have you had yours installed?

I've had mine on since May.

Texasrugby911 · **Joined:** Thu Feb 04, 2010 3:18 pm **Posts:** 196

I will be picking mine up from the Jeep House tomorrow and installing it most likely tomorrow after work. Pretty excited to see how well it works with my manual tranny and CAI.

lfhoward · **Posted:** Mon Aug 11, 2014 8:53 pm

If anyone's interested, there is a 4.7 TB for sale now over on Jeepforum.
http://www.jeepforum.com/forum/f292/4-7l-thottle-body-2633330/

TIJKK1220 · **Posted:** Mon Aug 11, 2014 11:11 pm

Wow 85 isn't bad!

nFodzy · **Joined:** Sun Oct 06, 2013 1:30 pm **Posts:** 389

the one for sale, will it work for sure?

TIJKK1220 · **Posted:** Tue Aug 12, 2014 4:46 am

Yup. Dodge Dakota's with the 4.7 work as well.

Gageraid · **Posted:** Tue Aug 12, 2014 9:06 am

Texasrugby911 wrote:

I will be picking mine up from the Jeep House tomorrow and installing it most likely tomorrow after work. Pretty excited to see how well it works with my manual tranny and CAI.

Make sure you have the right size adapter.
It should work great, and you'll be able to test it out a little better than us automatic guys.

Texasrugby911 · **Joined:** Thu Feb 04, 2010 3:18 pm **Posts:** 196

Gageraid wrote:

Texasrugby911 wrote:

I will be picking mine up from the Jeep House tomorrow and installing it most likely tomorrow after work. Pretty excited to see how well it works with my manual tranny and CAI.

Make sure you have the right size adapter.
It should work great, and you'll be able to test it out a little better than us automatic guys.

Which adapter do I need exactly? I'd hate to have to make two trips to the Jeep House

Gageraid · **Posted:** Wed Aug 13, 2014 10:21 am

Texasrugby911 wrote:

Gageraid wrote:

Texasrugby911 wrote:

I will be picking mine up from the Jeep House tomorrow and installing it most likely tomorrow after work. Pretty excited to see how well it works with my manual tranny and CAI.

Make sure you have the right size adapter.
It should work great, and you'll be able to test it out a little better than us automatic guys.

Which adapter do I need exactly? I'd hate to have to make two trips to the Jeep House

I hear ya... you need a 3inch To 3 inch adapter if you have a CAI.
Wherever you go, bring a tape measure, cuz the one I bought first said 3 inch to 3 inch, but it turned out to be 4 inch to 4 inch.
Might be able to find something at Home Depot, but I only had luck at the speed shop. Don't forget bigger clamps too.

ajohns1288 · **Posted:** Wed Aug 13, 2014 8:24 pm

I have a stock intake and am currently using a 3"-2.5" which is pictured below. I don't like how it is clamped, so I ordered a 3"-2.75" and 2.75" joiner pipe to see if it makes it any better. I also figured out that if you cut the nubs on the right side of the intake off, you can mount it right side up.

Ted15 · **Posted:** Wed Aug 13, 2014 9:16 pm

ajohns1288 wrote:

I have a stock intake and am currently using a 3"-2.5" which is pictured below. I don't like how it is clamped, so I ordered a 3"-2.75" and 2.75" joiner pipe to see if it makes it any better. I also figured out that if you cut the nubs on the right side of the intake off, you can mount it right side up.

Does if defeat the purpose of the larger tb by using a coupling like that? I'd like to do this some day and was wondering if I needed a cai.

Texasrugby911 · **Joined:** Thu Feb 04, 2010 3:18 pm **Posts:** 196

Installed my 4.7 TB this morning. I ended mounting it upside down for the time being, but may put it rightside up in the future. I was able to pick up a 3" - 3" intake couple at autozone for 8 bucks. As stated before, the throttle is much more responsive. I'll have to report back in a few days for MPGs and another review, but initial review is definitely good.

Gageraid · **Posted:** Sat Aug 16, 2014 11:09 pm

Texasrugby911 wrote:

Installed my 4.7 TB this morning. I ended mounting it upside down for the time being, but may put it rightside up in the future. I was able to pick up a 3" - 3" intake couple at autozone for 8 bucks. As stated before, the throttle is much more responsive. I'll have to report back in a few days for MPGs and another review, but initial review is definitely good.

All you need now is a Hypertech! :grim:

Keep us updated since you're the only one I believe with this mod who also has a manual.

Scar0 · **Posted:** Sun Aug 17, 2014 3:14 am

I just snagged a 4.7 TB from an 08 Durango E-bay listing.. Only $75 + free shipping! :goink:

Should be here by next weekend.
Will let you now how/if it works.
For others looking...
In the listing it stated;
This part will fit these makes and models with these options;
VIPER 13 Throttle Valve Assembly
COMMANDER 08-09 4.7L
DODGE 1500 PICKUP 08-13 Throttle Valve Assembly; 4.7L
DAKOTA 08-11 Throttle Valve Assembly; 4.7L
ASPEN 08-09 4.7L
DURANGO 08-09 Throttle Valve Assembly; 4.7L
GRAND CHEROKEE 08-09 Throttle Valve Assembly; 4.7L
VIPER 08-10 Throttle Valve Assembly

nFodzy · **Joined:** Sun Oct 06, 2013 1:30 pm **Posts:** 389

Scar0 wrote:

I just snagged a 4.7 TB from an 08 Durango E-bay listing.. Only $75 + free shipping! :goink:

Should be here by next weekend.
Will let you now how/if it works.
For others looking...
In the listing it stated;
This part will fit these makes and models with these options;
VIPER 13 Throttle Valve Assembly
COMMANDER 08-09 4.7L
DODGE 1500 PICKUP 08-13 Throttle Valve Assembly; 4.7L
DAKOTA 08-11 Throttle Valve Assembly; 4.7L
ASPEN 08-09 4.7L
DURANGO 08-09 Throttle Valve Assembly; 4.7L
GRAND CHEROKEE 08-09 Throttle Valve Assembly; 4.7L
VIPER 08-10 Throttle Valve Assembly

What are you searching in order to find these? Pass on some luck.

Scar0 · **Posted:** Sun Aug 17, 2014 7:29 am

I started with this on Google.
08 Dodge 4.7 Throttle Body -spacer, but no luck there.
The "-spacer" eliminates all the throttle body "spacer" listings in Google.
This is the one I found it on.
08 Grand Cherokee 4.7 Throttle Body -spacer
After reading several threads about interchangeability...( See above post, which verified what I had read earlier.)
I then switched to "Images" on Google.(Google "shopping" brought up nothing)
Which brought me to E-bay...
Then once there I searched "08 Grand Cherokee throttle valve 4.7"
Which brought up this listing. "08 09 10 11 12 13 DODGE RAM 1500 PICKUP THROTTLE BODY THROTTLE VALVE ASSM 4.7L" (it is actually from an "08 Durango")

Which I jumped on. :mrgreen:

Also beware not all RAM 1500 have a 4.7L, so include that in your search.

There are a couple listed for $100 there now.

Now mind you, I have been searching every day, sometimes twice or more each day, since Gageraid started this thread... Today I just got lucky and found one I was willing to pay the price of, not knowing if it will even work on my rig.
Remember I drive an 07 KA, which has many interchangeable parts with the 08+ KK.
I do not know if this is one of them 100%, but I am pretty sure it will work. :rockon:

Gageraid · **Posted:** Sun Aug 17, 2014 7:36 am

Good luck ScarO, now you see why I couldn't pass on the one for $60!

Scar0 · **Posted:** Sun Aug 17, 2014 7:40 am

YA! They are hard to find for a good price! :juggle:

Heres to a good outcome, :BANANA:

and thanks for starting this thread!

Gageraid · **Posted:** Sun Aug 17, 2014 8:06 am

Scar0 wrote:

YA! They are hard to find for a good price! :juggle:

Heres to a good outcome, :BANANA:

and thanks for starting this thread!

I can't take much credit since this mod showed up a few months or a year ago...
I definitely will say that I enjoy sharing information to others. Looks like some people are looking for a little power and mpg's, too.

On another related note, the throttle body I got was pretty clean, but I wanted to clean it and the Walmarts no longer carry the throttle body cleaner spray anymore. Going to have to try Napa.

Scar0 · **Posted:** Sun Aug 17, 2014 8:48 am

I'll give you the credit since I totally missed the other thread? about it

The fast-man throttle body has been out for the 3.7 for years. But the cost was just out of reach for me.
This seems like a good alternative... and should work well with my home made CAI & RAM air, which uses 3" pipes.
The one I am getting is used as well and I'm sure will also need a good cleaning. I usually get my stuff at O'reilly, they seem to be a bit less then Napa.

Increase in mpg w/ 4.7L TB

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