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 Page 2 of 2 <12
Username Post: FITech        (Topic#332317)
bowtie44s 
Valued Contributor
Posts: 3867
bowtie44s
Age: 35
Loc: wv
Reg: 08-29-12
10-06-16 07:54 AM - Post#2655194    
    In response to LUVmachine

  • LUVmachine Said:
Still no answer back from fiTech.



Call them. (951)340-2624

Jeff

'88 Chevy K3500, aluminum head roller cam 511in³ stroker 10.5:1 compression, 96 NV 4500, 94-98 grille, 305/70-16 (33x12) BF Goodrich KM2s, 91 cluster swap


 




greg_moreira 
Very Senior Member
Posts: 3272

Reg: 10-06-03
10-06-16 08:45 AM - Post#2655201    
    In response to LUVmachine

You are best calling. I always get someone right away when calling.

And yes. Beyond just a different map capable of boost...the software itself is more capable. It has a timing retard function you can dial in for when boosted.

Also you can tweak the air fuel curve for boost.

This is important because the system uses a combo of engine rpm and kpa readings to calculate air fuel ratio properly. And of course an oxygen sensor to actually read air fuel and adjust accordingly.

You don't want it to be confused and reacting all the time. If the map can't read boost right...when the boost comes on it isn't going to adjust fuel delivery properly. Not until after the engine has burnt the mixture and the 02 sensor reports back that the afr is off.

You want the system to be able to respond to boost on the front end. Not just the back end.



Edited by greg_moreira on 10-06-16 08:47 AM. Reason for edit: No reason given.

 
LUVmachine 
Frequent Contributor
Posts: 1453

Age: 36
Loc: Redding Ca
Reg: 10-02-14
10-06-16 02:27 PM - Post#2655248    
    In response to greg_moreira

I sent another email last night and got an answer this morning. It was very short and only answered one of my questions. I guess when I decide to order I will be ordering the power adder kit. My other question that I asked them was basically what is the difference between the power adder version and the regular version.

71 Chevelle BBC powered
71 C-10 454 with weiand 177 (SOLD)
72 406 sbc powered Chevy LUV sleeper (SOLD)
2010 GMC Sierra crew cab 4X4
http://s626.photobucket.com/user/GJohnson81/libra r...


 
65_Impala 
Very Senior Member
Posts: 3991

Reg: 12-29-02
10-06-16 09:01 PM - Post#2655319    
    In response to LUVmachine

If the FiTech boost ready systems have a timing vs boost retard ability built in then it makes a lot of sense to let the system also control the timing.



 
LUVmachine 
Frequent Contributor
Posts: 1453

Age: 36
Loc: Redding Ca
Reg: 10-02-14
10-07-16 06:49 AM - Post#2655353    
    In response to 65_Impala

From what I read about the ignition control it really doesn't sound that great. From what I got out of it and maybe I am wrong but it only has a simple curve that is input from the user. If it would make changes on its own I could see myself using it. Yeah you can make changes to retard timing when the boost hits but in my mild setup that doesn't really make much boost I don't see much of a benefit. My HEI and my carb work just fine but I like the idea of having my air/fuel ratio being monitored and corrected as I drive.

71 Chevelle BBC powered
71 C-10 454 with weiand 177 (SOLD)
72 406 sbc powered Chevy LUV sleeper (SOLD)
2010 GMC Sierra crew cab 4X4
http://s626.photobucket.com/user/GJohnson81/libra r...


 
bowtie44s 
Valued Contributor
Posts: 3867
bowtie44s
Age: 35
Loc: wv
Reg: 08-29-12
10-07-16 05:30 PM - Post#2655429    
    In response to LUVmachine

I have my carb tuned pretty good. It is a quick fuel with screw in air bleeds, idle feed restrictors, and power valve restrictors. I have tuned all of those as well as the choke and it runs and starts pretty good.

The biggest advantage I see is deceleration. A carburetor goes pig rich because it's still pulling fuel through the main jets. There is no way around it. That washes the oil off of the cylinders and drastically increases wear. I think that is one of the biggest reasons new engines last 300,000 miles instead of 100,000.

I got what I think will be the hardest part done today. I changed the fuel pump and made the fuel lines. Hopefully with in a week I'll be done.

Jeff

'88 Chevy K3500, aluminum head roller cam 511in³ stroker 10.5:1 compression, 96 NV 4500, 94-98 grille, 305/70-16 (33x12) BF Goodrich KM2s, 91 cluster swap


 
LUVmachine 
Frequent Contributor
Posts: 1453

Age: 36
Loc: Redding Ca
Reg: 10-02-14
10-08-16 09:52 AM - Post#2655509    
    In response to bowtie44s

My truck runs good. Starts before the starter cranks it over one turn and idles nice. I've been thinking about installing a fuel cell. I want the fuel tank out of the cab and figure this would be a good way to install either an in tank pump or an inline pump that will handle the fuel injection and get away from the command center. I figured for about the same price as the command center I can get a fuel cell and probably almost cover the plumbing and pump.

71 Chevelle BBC powered
71 C-10 454 with weiand 177 (SOLD)
72 406 sbc powered Chevy LUV sleeper (SOLD)
2010 GMC Sierra crew cab 4X4
http://s626.photobucket.com/user/GJohnson81/libra r...


 
bowtie44s 
Valued Contributor
Posts: 3867
bowtie44s
Age: 35
Loc: wv
Reg: 08-29-12
10-08-16 01:32 PM - Post#2655533    
    In response to Jim.Biron

I got mine done today! I took it for about a ¼ mile test drive. It felt pretty sluggish. I'm going to drive it and give it a chance to learn and start a new thread.

Jeff

'88 Chevy K3500, aluminum head roller cam 511in³ stroker 10.5:1 compression, 96 NV 4500, 94-98 grille, 305/70-16 (33x12) BF Goodrich KM2s, 91 cluster swap


 
greg_moreira 
Very Senior Member
Posts: 3272

Reg: 10-06-03
10-09-16 09:35 AM - Post#2655653    
    In response to bowtie44s

  • bowtie44s Said:
I got mine done today! I took it for about a ¼ mile test drive. It felt pretty sluggish. I'm going to drive it and give it a chance to learn and start a new thread.


You need to get it warmed up to 150 plus coolant temp for it to even start to learn. Don't worry. Soon enough it'll get there! Just takes time.



 
LUVmachine 
Frequent Contributor
Posts: 1453

Age: 36
Loc: Redding Ca
Reg: 10-02-14
10-10-16 08:46 AM - Post#2655825    
    In response to greg_moreira

Keep us posted I would like to hear about your progress and I am sure others would too.

71 Chevelle BBC powered
71 C-10 454 with weiand 177 (SOLD)
72 406 sbc powered Chevy LUV sleeper (SOLD)
2010 GMC Sierra crew cab 4X4
http://s626.photobucket.com/user/GJohnson81/libra r...


 
bowtie44s 
Valued Contributor
Posts: 3867
bowtie44s
Age: 35
Loc: wv
Reg: 08-29-12
10-11-16 04:37 PM - Post#2656082    
    In response to LUVmachine

I will start a new thread once I get the bugs worked out. I have a fuel pressure issue right now. You can read about it here.

I can only work on it in the weekends and I may have to work this weekend. It was simple to install, I took my time and had it from running with a carburettor to running with the FiTech in 2½ hours.

Jeff

'88 Chevy K3500, aluminum head roller cam 511in³ stroker 10.5:1 compression, 96 NV 4500, 94-98 grille, 305/70-16 (33x12) BF Goodrich KM2s, 91 cluster swap


 
bowtie44s 
Valued Contributor
Posts: 3867
bowtie44s
Age: 35
Loc: wv
Reg: 08-29-12
10-13-16 10:27 AM - Post#2656342    
    In response to LUVmachine

  • LUVmachine Said:
From what I read about the ignition control it really doesn't sound that great. From what I got out of it and maybe I am wrong but it only has a simple curve that is input from the user. If it would make changes on its own I could see myself using it. Yeah you can make changes to retard timing when the boost hits but in my mild setup that doesn't really make much boost I don't see much of a benefit. My HEI and my carb work just fine but I like the idea of having my air/fuel ratio being monitored and corrected as I drive.



If you want to do timing control, make sure you get one that will. Mine is the 30008. It controls fuel only. It does not have timing control.


Jeff

'88 Chevy K3500, aluminum head roller cam 511in³ stroker 10.5:1 compression, 96 NV 4500, 94-98 grille, 305/70-16 (33x12) BF Goodrich KM2s, 91 cluster swap


 
65_Impala 
Very Senior Member
Posts: 3991

Reg: 12-29-02
10-14-16 06:20 AM - Post#2656473    
    In response to LUVmachine

  • LUVmachine Said:
From what I read about the ignition control it really doesn't sound that great. From what I got out of it and maybe I am wrong but it only has a simple curve that is input from the user. If it would make changes on its own I could see myself using it. Yeah you can make changes to retard timing when the boost hits but in my mild setup that doesn't really make much boost I don't see much of a benefit. My HEI and my carb work just fine but I like the idea of having my air/fuel ratio being monitored and corrected as I drive.




It will give more accurate control, easy, one time required computer adjustment vs playing with springs and weights until you get the right numbers, has a boost retard feature and is 100% repeatable time after time. Overall, it doesn't seem that bad either....

There is no way to properly self-learn timing with the sensors provided in a typical EFI application. It would require a more extensive set of sensors to have any hope of working.



 
LUVmachine 
Frequent Contributor
Posts: 1453

Age: 36
Loc: Redding Ca
Reg: 10-02-14
10-14-16 06:46 AM - Post#2656478    
    In response to 65_Impala

I agree with the timing the more I think about it. I am going to hold off for now. I need to get caught up on some other things before I order more parts. I am actually running out of storage space for all the parts I have ordered. Once I get my body work finished and the truck painted and put back together it will free up more time and space. Once it's back together i need to make a decision on my fuel tank weather or not I want to leave it behind the seat or relocate another tank or fuel cell under the bed. More work and time I don't want to do right now. I do however have a summit distributor and box that can be used with the timing control features of the fiTech setup sitting on the shelf new in the box.

71 Chevelle BBC powered
71 C-10 454 with weiand 177 (SOLD)
72 406 sbc powered Chevy LUV sleeper (SOLD)
2010 GMC Sierra crew cab 4X4
http://s626.photobucket.com/user/GJohnson81/libra r...


 
turbo38s10 
"7th Year" Gold Supporting Member
Posts: 1521
turbo38s10
Loc: Agawam,MA
Reg: 09-17-09
12-24-16 04:26 PM - Post#2667720    
    In response to LUVmachine

OK here is a dumb question on fuel lines.Keep in mind this is for a street car not a racer. Why can't you use Nylon Fuel Line? All the newer cars use it and it would seem to me to be easier and cheaper to run than hose or tube with all those fittings? I'm looking at putting the fitech in my 61 impala and line routing can be a task but would seem to me to be a lot easier with nylon fuel tube and a C5 corvette filter with the built in regulator.



Edited by turbo38s10 on 12-24-16 04:30 PM. Reason for edit: No reason given.

 
bowtie44s 
Valued Contributor
Posts: 3867
bowtie44s
Age: 35
Loc: wv
Reg: 08-29-12
12-24-16 07:22 PM - Post#2667730    
    In response to turbo38s10

Sure, it would handle the pressure. I wouldn't want to go any smaller than ⅜. Most of the nylon lines are pre bent with weird quick connects to fit specific models. I don't know that they make universal nylon lines. Not only does braided stainless look better, but you can use AN fittings. Ultimately, you need a -6 AN at the end of the supply and return to hook to the FiTech. I don't know if you can get a -6 on the end of a nylon line.

I think I have about $100 in my fuel lines and fittings. After you get the hang of putting the first fitting on the braided stainless, they go on pretty easy. Just use electrical tape and cut through the tape with a cutting wheel.

Jeff

'88 Chevy K3500, aluminum head roller cam 511in³ stroker 10.5:1 compression, 96 NV 4500, 94-98 grille, 305/70-16 (33x12) BF Goodrich KM2s, 91 cluster swap


 
turbo38s10 
"7th Year" Gold Supporting Member
Posts: 1521
turbo38s10
Loc: Agawam,MA
Reg: 09-17-09
12-25-16 08:09 AM - Post#2667767    
    In response to bowtie44s

They sell 3/8 and 5/16 return line in rolls as well as all the different connectors so it would be easy to do.



 




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