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#34720 - 12/09/05 11:15 PM Re: TPI Conversion  
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BadSS Online content
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Quote:
Originally posted by TPI Monte SS:
Jeremy, here's an interesting post from TGO - http://www.thirdgen.org/techbb2/showthread.php?s=...+performance+SVO+injector

Basically, Rich at Cruzin' Performance (www.cruzinperformance.com) flowtested a set of SVO 36 lb. injectors at the GM rate of 43.5, and they did indeed put out the stated amount of 36 lb/hr. Check the 2nd post out in the thread for his flow numbers. If Ford really rated them at a lower PSI, they should have put out closer to 39 lbs.

I'd guess that if someone sent in a set of 30 lb. SVOs or 24s that they'd be the same as well. Most of these injectors are made by Bosch, and flowed at the industry standard of (43.5 PSI).

I still think he should go with the 24s, and just have the injector constant changed in the chip to 24 instead of 22. There are members on thirdgen.org are using the SVO 24s with no issues (other than the chip change).
If you look further down in that thread I actually had a set of 30# SVO's tested and they flowed,,,,,, 30 pounds. Small world huh?

I'd say the 19# injectors would probably work OK with a 305 chip. In fact, if he went with the 19# injectors, and the 305 chip was rich for him, he could swap to a 355 chip ($45 from GM)and bump the fuel pressure. Assuming he didn't want to change the injector constant and burn his own chips (around $200 bucks and time),, which is HIGHLY recommended.


Original owner of 1985 SS black hardtop w/gray interior. Frame-on restoration - 406 sleeper w/ heavily ported FIRST TPI. However the 1.875" headers, 3.5" duals, TH400, Ford 9", notched frame, and 10-point cage w/swing-out bars might tip you off it's not a lil' ole 305 TPI. Other mods: 2" drop, 18" wheels, f/r disk brakes, and custom stereo system.
#34721 - 12/09/05 11:32 PM Re: TPI Conversion  
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Quote:
Originally posted by BadSS:
If you look further down in that thread I actually had a set of 30# SVO's tested and they flowed,,,,,, 30 pounds. Small world huh?

I'd say the 19# injectors would probably work OK with a 305 chip. In fact, if he went with the 19# injectors, and the 305 chip was rich for him, he could swap to a 355 chip ($45 from GM)and bump the fuel pressure. Assuming he didn't want to change the injector constant and burn his own chips (around $200 bucks and time),, which is HIGHLY recommended.
Agreed. The only thing is, you'd be running those little 19 lb. injectors near max duty cycle at WOT. According to my tuner's datalogging, my injectors were hitting close (or over, I don't remember) 90% at WOT, and that's on a worked over 305 making 220-230 HP at the wheels.

I don't think Dustin will be able to resist modding that crate 350 forever. \:\)


SSeeya,
Steve Ragusa - North Jersey
'88 SS - BudgetTourer - ZZ4-cammed 355 TPI, serpentine belt conversion, World Class 5-speed, 17" wheels, 12" front discs, Eibachs/Bilsteins, 1LE lower A-arms, tall lower balljoints, 34mm front swaybar, 3/4" straight rear bar, Celebrity headlights, and more. Sold on 2/28/11.
#34722 - 12/10/05 02:06 AM Re: TPI Conversion  
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BadSS Online content
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Just throwing options. There's no question,, his best bet is to go with the 24# injectors (room to grow) and get the burning equipment. In fact, with the MAF system, it's possible that the 24# SVOs would work within an acceptable range with a stock 1988 350 chip - worth a shot anyway.


Original owner of 1985 SS black hardtop w/gray interior. Frame-on restoration - 406 sleeper w/ heavily ported FIRST TPI. However the 1.875" headers, 3.5" duals, TH400, Ford 9", notched frame, and 10-point cage w/swing-out bars might tip you off it's not a lil' ole 305 TPI. Other mods: 2" drop, 18" wheels, f/r disk brakes, and custom stereo system.
#34723 - 12/10/05 05:22 AM Re: TPI Conversion  
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I would definitely go bigger than 19# even if its just a crate 350. Lord knows youre not gonna leave it the way it is right now and even from the factory L98's had 22# injectors. I know for my hopped up 350 im going with 24#.


1985 Monte SS *SOLD*
1991 Camaro Z28
357 SBC, Dart 200cc Iron Eagle Platinums, Lunati Voodoo 268, Holley Stealth Ram, 52mm Throttle Body, 3.5" exhaust
-Zoom Zoom
#34724 - 12/10/05 09:00 PM Re: TPI Conversion  
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I have some of the prints from my swap, like I said they all came from this site. Under the hood all I had to do was power the EFI harness. Under the dash you will have to connect your TPI computer to your ALDL box and your check engine light. I just used a Chilton manual for the Monte and a Camero and started connected the wires. BTW the 305 and 350 TPI systems are the same except for the injectors and the PROM, just get a set of injectors and a 350 TPI PROM and you should be good to go. You may want to find a cheap LAPTOP to hook up to your car when you get it running, TPI's take alot of tunning to get then running right after you have swapped them in. There is a free program call "WIN..." cant remember what is called. Help me out guys, but this program will let you monitor the engine and sensors so you can adjust everythin to optimal perfomance. Dont let the swap scare you it really isnt that hard.

Chris



1985 Monte SS, Rebuilt L69 with TPI. 200-4R Tranny. 951 Modine with TPI duel fans. True 2 1/4 Flowmaster Duals. B.F.H. made dual hump crossmember. Stock Suspension, interior, and body.
SOLD TO INTMDATR3 ON 03/04/06
#34725 - 12/12/05 12:29 PM Re: TPI Conversion  
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Quote:
Originally posted by TPI Monte SS:
I don't think Dustin will be able to resist modding that crate 350 forever. \:\)
Actually Golen makes a 383 that I'm thinking about. The Goodwrench will stay the way it is.

Quote:
Originally posted by 85SSMan:
I have some of the prints from my swap, like I said they all came from this site. Under the hood all I had to do was power the EFI harness. Under the dash you will have to connect your TPI computer to your ALDL box and your check engine light. I just used a Chilton manual for the Monte and a Camero and started connected the wires. BTW the 305 and 350 TPI systems are the same except for the injectors and the PROM, just get a set of injectors and a 350 TPI PROM and you should be good to go. You may want to find a cheap LAPTOP to hook up to your car when you get it running, TPI's take alot of tunning to get then running right after you have swapped them in. There is a free program call "WIN..." cant remember what is called. Help me out guys, but this program will let you monitor the engine and sensors so you can adjust everythin to optimal perfomance. Dont let the swap scare you it really isnt that hard.

Chris
Chris, thanks for the input. I do plan on getting the equipment to datalog and burn my own chips.

Anyone got a stock BIN for an '88 IROC with 350? If I could go ahead and get it burnt before, or shortly after the install, I'd be ahead of the game. I'll eventually ditch the cold start injector and go with a 6E variant, but want to get it running decent first.


Dustin
87 SS
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#34726 - 12/13/05 01:53 AM Re: TPI Conversion  
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85SSMan Offline
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Dustin,

Check with the guys at Thirdgen.org, you will get all the info/parts you need in their "e-prom" board. That is where I got all my tunning and computer/chip information from.

Chris



1985 Monte SS, Rebuilt L69 with TPI. 200-4R Tranny. 951 Modine with TPI duel fans. True 2 1/4 Flowmaster Duals. B.F.H. made dual hump crossmember. Stock Suspension, interior, and body.
SOLD TO INTMDATR3 ON 03/04/06
#34727 - 12/13/05 12:13 PM Re: TPI Conversion  
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Spanish Fort, AL USA
Quote:
Originally posted by 85SSMan:
Dustin,

Check with the guys at Thirdgen.org, you will get all the info/parts you need in their "e-prom" board. That is where I got all my tunning and computer/chip information from.

Chris
That's exactly where I'm getting my info.

Still, if anyone has a stock BIN for '88 IROC with 350, I'll gladly except it. This should put me closer to the tune that I need to get started.


Dustin
87 SS
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#34728 - 12/15/05 03:20 PM Re: TPI Conversion  
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How good are the stock TPI cooling fans (dual fans)? I plan to eventually put a 450-500hp engine in my car and dont want to have to buy a different setup later on. My other option is a Mark VIII fan.


Dustin
87 SS
[Linked Image]
#34729 - 12/15/05 03:28 PM Re: TPI Conversion  
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ive never had any problems with my fans, they work well.


1985 Monte SS *SOLD*
1991 Camaro Z28
357 SBC, Dart 200cc Iron Eagle Platinums, Lunati Voodoo 268, Holley Stealth Ram, 52mm Throttle Body, 3.5" exhaust
-Zoom Zoom
#34730 - 12/16/05 02:23 AM Re: TPI Conversion  
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85SSMan Offline
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stock TPI fans works great, I have never had any problems, just make sure you get the F-Body alumimun radiator also.

Chris



1985 Monte SS, Rebuilt L69 with TPI. 200-4R Tranny. 951 Modine with TPI duel fans. True 2 1/4 Flowmaster Duals. B.F.H. made dual hump crossmember. Stock Suspension, interior, and body.
SOLD TO INTMDATR3 ON 03/04/06
#34731 - 12/17/05 12:39 AM Re: TPI Conversion  
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Just to throw in my .02 cents worth on the injectors. I replaced my OEM injectors on my 88 Corvette L98 with SVO 24# injectors. Engine ran "OK" but I could tell it was not like it should be, loss of throttle response and exhaust would make your eyes water at idle. I hooked up my scan tool and found I was at the rich end of the spectrum at idle and even throttle cruise. Further testig showed rich across the board.

I bought the tools and started re-programming the EPROM. Even by settting the INJ constant to 24 it was still rich, I had to move it to nearly 26 to get the long term fuel trims close. Much more was done in other tables to dial it in but that is for another discussion.

I have heard others have swapped these injectors in with no problems, but from my experience they are not optimized. I have also read where they do not flow as linear as the pintle design, perhaps this is part of the equation.

Mark


1985 MCSS-ZQ8 wheels, Eibach Pro-Kit Springs, Bilstein Shocks.
http://rmtonazzi.home.mchsi.com/
#34732 - 12/17/05 04:31 PM Re: TPI Conversion  
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It's called "WINALDL"

SupernovA455

#34733 - 01/11/06 01:28 PM Re: TPI Conversion  
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Ordered a Walbro pump off Ebay a few minutes ago. I should have enough parts to get started before long.


Dustin
87 SS
[Linked Image]
#34734 - 01/11/06 02:51 PM Re: TPI Conversion  
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Gruvin Offline
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Mark(gbody5), I was in the same boat as you when I did the SVO 24# injector install, I was at least at 26 with lots of other mods to get it right... i did so much reprograming that I almost immediately bought Craig Moates ZIF chip connector and a few ZIF chips to run several to test drive and data log...


My first SS! Sold Jan 2004
[Linked Image]
87 SS bought 9-5-04: Sold 6-18-2010 - project 87 finds a new home with another undisclosed MonteCarloSS.com member!
#34735 - 01/11/06 03:41 PM Re: TPI Conversion  
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I was able to find a set of stock 22# injectors for now.


Dustin
87 SS
[Linked Image]
#34736 - 01/13/06 05:09 PM Re: TPI Conversion  
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I have the virgin .bin for my 1988 L98 auto trans, should be pretty close to your 1988 IROC set-up. email me directly and I'll send it to you if you want. I also have many saved .bins with various modifications to fuel, spark, AE, PE, lock-up etc. you can try later on if you want.


1985 MCSS-ZQ8 wheels, Eibach Pro-Kit Springs, Bilstein Shocks.
http://rmtonazzi.home.mchsi.com/
#34737 - 01/13/06 06:18 PM Re: TPI Conversion  
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I'll keep you in mind, but I've decided to delete the cold start injector and go with a '89 bin. I'm going to try to use TunerPro to creat ARAP.bin chip (I believe thats right) since TunerPro comes with the file already.

I've already bought an '89 plenum, runners, and base. Just really needed the runners.


Dustin
87 SS
[Linked Image]
#34738 - 01/13/06 07:53 PM Re: TPI Conversion  
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I have a stock 89 ARAP .bin as well, from a friends L98 auto Corvette if you want to compare. I will also be glad to help when it comes time to tune.


1985 MCSS-ZQ8 wheels, Eibach Pro-Kit Springs, Bilstein Shocks.
http://rmtonazzi.home.mchsi.com/
#34739 - 01/13/06 07:57 PM Re: TPI Conversion  
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I'll take you up on both of those offers. duts87ss@yahoo.com

I dont have the all the hardware for burning my own chips yet, but plan on getting it shortly before the TPI swap begins. This weekend will be spent rebuilding the front suspension.


Dustin
87 SS
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#34740 - 02/16/06 08:31 PM Re: TPI Conversion  
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After some discussion on thirdgen.org, I'm confused now. Will using '89+ runners on my '86 base with '86 plenum and TB work okay? Or do I just need to use the '86 runners and plug the CSI port (I'll be using an '89 chip).


Dustin
87 SS
[Linked Image]
#34741 - 02/16/06 09:49 PM Re: TPI Conversion  
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I did the same swap and just left the CSI in its place, it just doesn't work.

Randy


1983 Monte Carlo SS Turnkey ZZ4/700R4, Dakota Digital Instrument Cluster, 77k mile car. Many more mods to come soon.
#34742 - 02/16/06 09:57 PM Re: TPI Conversion  
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you have to make sure the lower intake is sealed where he cold start injector goes... and then you can plug the end cap of the fuel rail or you can use the 9th injector as a plug and use the older TPI runners. the negative to this is that you have the possibility of the 9th injector leaking fuel causing a rich condition issue...

If anyone is interested, I have a set of 89-92 F-bomb fuel rails inclding an adjustable fuel pressure regulator for sale...


My first SS! Sold Jan 2004
[Linked Image]
87 SS bought 9-5-04: Sold 6-18-2010 - project 87 finds a new home with another undisclosed MonteCarloSS.com member!
#34743 - 02/16/06 10:39 PM Re: TPI Conversion  
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There you go, buy Jeremy's fuel rail and then cut the fuel line off of your CSI.

What I did was cut the line and weld the fitting up that screws onto the fuel rail then used a O ring to seal it up. Then I just cut the line off the CSI and stuck it back in. Backyard fix I know but hey it was getting late and I get impatient.

Randy


1983 Monte Carlo SS Turnkey ZZ4/700R4, Dakota Digital Instrument Cluster, 77k mile car. Many more mods to come soon.
#34744 - 02/16/06 11:02 PM Re: TPI Conversion  
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Quote:
Originally posted by Duts87SS:
How good are the stock TPI cooling fans (dual fans)? I plan to eventually put a 450-500hp engine in my car and dont want to have to buy a different setup later on. My other option is a Mark VIII fan.
I am running stock iroc dual fans on my car and they cool the LS1 fine.



85 MCSS, 02 5.3/4L60E stock daily driver,84 MCSS, Another stock 5.3/60E.
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