Renix Modified TPS

[Rando12]

I figured it would be easier to ask then read through every thread trying to find what i need. I have an 88 xj and am about to start a stroker project. I will be using a later model head and would like to use the later model TB. I have read about people modifing there TPS to work on the later TB but they never say how. So i would really apriciate it if someone either could tell me how or point me in the rite direction. And does it change anything that i run a aw4 auto?

 

[gradon]

The tps needs an adapter. Hesco makes one: http://www.hesco.us/shop.asp?action=details&inventoryID=45563&catId= . Now let's see if I can find the thread from some months ago where someone made their own. . . http://www.naxja.org/forum/showthread.php?t=990190&highlight=adapter+hesco
Doesn't matter if it's an aw4 or ax15(or ba-10).

 

[Slip Kid]

I think I described mine in this thread : http://www.naxja.org/forum/showthread.php?t=989785

This has worked for several years running a "93 engine in my '87. I'm using the '93 intake and a modified Renix header.

 

[bigalpha]

Is the upgrade from RENIX to HO TB necessary only for strokers? Any performance gains or anything?

 

[Johnnie Walker]

Better head, and TB (maybe?). 99+intake is the best tho.

 

[Slip Kid]

The later TB is huge compared to the Renix TB.

 

[bigalpha]

So more power, better MPGS?

 

[Slip Kid]

More response. Maybe more power, the TB is relatively huge. Be aware, swapping to this intake removes the option of having a functioning EGR system, and therefore the Renix exhaust manifold needs to be modified or replaced, so not so great of a swap if you have inspections or don't like breaking laws. I took a exhaust sniff test for fun and passed it without EGR or a cat, but you will fail visual inspection, as they frown upon removing emissions parts.

Note I did not put the HO intake/head onto a Renix engine, I'm using the entire engine on Renix electronics. But it has been done, and the later intake/TB appear to be greatly superior. As said, 99+ is best, tho I believe it's the same TB, and my intake from 1993 still looks better than the one from 1987.

 

[chrslefty]

Hey that's my tread ! Ya !!
Its worked out quit well . Throtal responce is snapy ,to say the lest .but I was able to get the adjustment spot on . I went with the whole 99 upgrade .I did delete the egr system .and I'm using a pacesetter header from the 89 block . It lined up with the head no problem and there was no clearance issues with the manifols. I did reuse all renix electronics .and fule raiile .this went into a 89 with a auto . Hope that it hels you out

The tps needs an adapter. Hesco makes one: http://www.hesco.us/shop.asp?action=details&inventoryID=45563&catId= . Now let's see if I can find the thread from some months ago where someone made their own. . . http://www.naxja.org/forum/showthread.php?t=990190&highlight=adapter+hesco
Doesn't matter if it's an aw4 or ax15(or ba-10).

 

[dakineJ]

So the Renix fuel rail and injectors worked well with the 99' intake & TB? I am planning on putting a 93' head on a 87' w/the 99' intake & TB. Did you completely remove the whole EGR system?

 

[chrslefty]

i reused my renix fule rail and injectors . i did have to weld tabs to the fuel rail mounting brackts to make it work other wize they dont line up " just the mounting , the injectors lined up just fine . ill get a pic for u in the netx day or so.

 

[dakineJ]

i reused my renix fule rail and injectors . i did have to weld tabs to the fuel rail mounting brackts to make it work other wize they dont line up " just the mounting , the injectors lined up just fine . ill get a pic for u in the netx day or so.

Thanks, good to know.

 

[chrslefty]

as promised . better late than never .
modified fuel rail

and a over view

yea its a mess but other than running hot its running good .

 

[88 Wagonman]

Thanks for following up, far too many don't keep their word on that.

 

[dakineJ]

Ya, thanks for the pics,very helpful. One more peice in the puzzle. I was wondering if the stock Renix injectors would provide enough fuel flow, could you be running lean maybe ?

 

[chrslefty]

could be my gas milage is a dismal 13.5mpg

 

[gradon]

I would certainly hope 13.5mpg isn't because it's running lean.

 

[chrslefty]

well im sure my heavy rt foot and the 35's dont help matters either .but that was also with the ac running all the time .
IDK tho i might do the injector upgrade . a guy over in oem forum got quite a bost in mpg by upgrading to a beater injector ,with a slightly larger flow .

 

[dakineJ]

Do you have a link?

 

[chrslefty]

not the one i was talking about but preety much the same story .
http://naxja.org/forum/showthread.php?t=954308&highlight=ford+fuel+injector+upgrade

it was in the oem forum about a mount ago.

found it
http://www.naxja.org/forum/showthread.php?t=996872&highlight=ford