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06-13-2013, 04:57 PM | #1 |
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Re: need a little help on a tpi swap
the low pressure wont starve the high pressure and are you talking about the low pressure being a puller or in tank
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06-13-2013, 07:48 PM | #2 |
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Re: need a little help on a tpi swap
You have a few ways to get the gas out of the tank. One is build a small sending unit tank to mount under the truck to the frame. Put a electric pump in line to fill it are gravity feed it. It will also house the pump for the motor and the return line.
The one I like the best is. Take the orignal tank out of the truck and measure the bottom front side of the tank and build a box to weld to it. Mark the tank where the outline of the box. Drill holes into the gas tank and weld a fitting for the fuel line into the new box then weld the box to the tank. Then use a inline high out put pump to the motor with filter on both sides of the pump. Are buy a fuel tank for fuel injection and mount it in the frame.
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1971 LWB Custom, 6.0LS & 4L80E, Speedhut.com GPS speedometer & gauges with A/C. 20" Boss 338's Grey wheels 4 wheel disc brakes. My Driver Seeing the USA in a 71 Upstate SC GM Truck Club 2013,14 and 2016 Hot Rod Pour Tour http://upstategmtrucks.com/ Get out and drive the truck this summer and have some fun! It sucks not being able to hear! LWB trucks rule, if you don't think so measure your SWB! After talking to tech support at Air Lift I have found out that the kit I need is 60811. Per the measurements I gave them. Ride height of truck inside spring and inside diameter of springs. |
09-24-2013, 07:26 PM | #3 |
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Join Date: Nov 2012
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Re: need a little help on a tpi swap
ok guys engine and trans are in and moving along now im having an issue with my driveshaft i have a 72" single piece and need a 69" or 70" i was wondering if you know of any gm vehicles that have one or should i just get mine cut
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09-24-2013, 08:13 PM | #4 |
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Re: need a little help on a tpi swap
Get it cut, they will balance it and all.
Post some serious pics when you are done. I have two 87 IROC's and was thinking about taking one of the TPI's out for my sons 75 stepper.
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Mark Jesus is the Way! 2003 2500HD CCLB Duramax/Ali (Clifford) 2014 2SS/RS black on black Camaro (Betty) 2006 Pontiac SOLSTICE silver/black (Lula-Bell) 1970 C/10 Short Wide (Peggy) 1964 C/10 Short Step (Hambone) RIP Jimmy Hamilton Thank you for the trucks |
09-24-2013, 08:48 PM | #5 |
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Re: need a little help on a tpi swap
I'm fixing to have a complete combo 305 HO TPI/700R4 took out of my 71 to be replaced with a 6.0 LSx. If anybody is intersted PM me. Complete Street & performance wiring harness 4 wires and it's running.
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1971 LWB Custom, 6.0LS & 4L80E, Speedhut.com GPS speedometer & gauges with A/C. 20" Boss 338's Grey wheels 4 wheel disc brakes. My Driver Seeing the USA in a 71 Upstate SC GM Truck Club 2013,14 and 2016 Hot Rod Pour Tour http://upstategmtrucks.com/ Get out and drive the truck this summer and have some fun! It sucks not being able to hear! LWB trucks rule, if you don't think so measure your SWB! After talking to tech support at Air Lift I have found out that the kit I need is 60811. Per the measurements I gave them. Ride height of truck inside spring and inside diameter of springs. |
09-24-2013, 08:51 PM | #6 |
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Join Date: Sep 2009
Location: Weare,NH
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Re: need a little help on a tpi swap
check out my build thread in my sig, I have converted my 86 C10 to TPI.
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09-25-2013, 07:08 AM | #7 |
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Location: Chattanooga, TN
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Re: need a little help on a tpi swap
I did not see the photos well earlier. I would not use those brass unions, especially on the pressure side. Those gas unions are made for 4-5 psi and are being used at over 40 and even higher at times. You are much better off to use hydraulic unions that are rated for high pressure. You do not want leaking pressurized fuel.
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'83 K20-TPI '73 C10 '79 C10-ex-diesel(SOLD) '07 Tahoe(Son driving) '14 Suburban-DD '71 C10-current project |
10-09-2013, 03:26 AM | #8 |
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Re: need a little help on a tpi swap
If you put the engine in the forward mount holes it can use the 72" driveshaft but I would have the driveshaft shortened and keep the engine set back in the rear mount holes for a little better weight distribution and more room up front for the accessory drive.
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miSSed opportunity - ground up creation of an AWD 1994 454 SS that never was http://67-72chevytrucks.com/vboard/s...d.php?t=795577 69 C10 shortbed stepside 400 small block - built like what a super sport truck could have been 69 K20 lwb TBI 350 4L60E NP208 14-bolt Dana-44 w/disc 68 Camaro SS / RS 500hp 439 inch roller cam big block 4L80E 79 Malibu TPI 350 4L60 w/ Z28 steering & sway bars |
10-09-2013, 07:56 PM | #9 |
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Re: need a little help on a tpi swap
I am also swapping in a TPI and have read as much as possible hear and other places. One write-up I saw was concerning the return line back to the tank. The guy didn't put the return line all the way down to the bottom of the tank, sort of had it dumping in at the top. The issue was the fuel got aerated and he had some hesitation issues because of air in the fuel going into the pump until he figured out what was going on. Anyway I thought it was a good tip. Here is a good site for general TPI info:
http://www.chevythunder.com/
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72 K20 Custom Camper, D60, 14BFF, full roller 406 TPI w custom built ECU and yes..it has tow hooks... |
10-10-2013, 10:05 AM | #10 |
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Re: need a little help on a tpi swap
I have always liked the looks of the L98 TPI mills. I had one in a 90 Corvette. It had so much grunt down low. It always seemed to me that it would have been a better truck engine than sports car engine.
Great gas mileage, reliability, reasonable performance, and sweet looks are just a few of its assets. I have thought about putting one in my pickup but never did. Please post pics of yours as you go along. I'm betting it will be a great ride.
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1970 Longhorn, Front Disc, 350/4 bolt, 882 heads, HEI, Edelbrock, 700R4, HO-52/4.11. 1996 Corvette, Collector Roadster, LT4, 396, 450RWHP, 6sp, 4.11/Dana44/posi 5 point roll bar And let us not grow weary of doing good, for in due season we will reap, if we do not give up. Gal 6:9 |
10-12-2013, 03:54 PM | #11 |
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Re: need a little help on a tpi swap
this is my fuel pump and filter combo im using my stock tank will upload a pic of my sending unit once its done. its a walbro inline pump 60psi max($112 from summit) and a stock replacement filter for my camaro which is a 10 micron($15 from autozone)
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10-13-2013, 04:39 PM | #12 |
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Re: need a little help on a tpi swap
Interesting thread. I've ordered a F.I.R.S.T TPI system and hopefully will it will be delivered in the next couple of weeks. It's going to sit on top of my ZZ4. This set up is pretty much a factory TPI system on steroids.
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1969 RS/SS Z10 Camaro Pace coupe 1972 GMC Short Step buildhttp://67-72chevytrucks.com/vboard/s...=1#post6356218 1979 Mazda RX7 1979 Pontiac Trans Am WS6 & 1979 Pontiac Trans Am 10th Anniversary 1999 Honda Valkyrie 2006 Corvette Z06 2010 BMW 650i |
10-13-2013, 05:09 PM | #13 |
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Re: need a little help on a tpi swap
Just a heads up, i THINK the threads in your fuel filter are ORS and not NPT. If im right, you will have leakage. Hope im wrong, but check it out
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Semper Fi...Uncle Sam, you da man All parts offered to help are free, unless otherwise noted Dont try this stuff in my build thread, unless you have 55 years of mechanical OTJ training SAFETY FIRST AS usual, off topic They say your mind goes second, can't remember the first Jim |
02-02-2014, 01:56 PM | #14 |
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Join Date: Nov 2012
Location: abingdon, Il
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Re: need a little help on a tpi swap
okay guys im picking up another tank with the eec and im thinking of either doing a sump box on bottom of the tank and having the fuel line come out of it into the fuel pump mounted on the rail or pulling the camaros fuel pump and mounting it in the tank which do you guys think would be better
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10-28-2013, 08:24 PM | #15 |
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Re: need a little help on a tpi swap
is anyone here using the vapor canister with their swap and if not what did you do instead
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11-27-2013, 04:43 PM | #16 |
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Re: need a little help on a tpi swap
okay guys i need some input im trying to prime the fuel pump but so far not having any luck any help is greatly appreciated
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11-27-2013, 05:12 PM | #17 |
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Re: need a little help on a tpi swap
Which is the inlet and which is the outlet? The filter should be on the outlet side not the inlet. Is you pump mounted below the tank?
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My Classics: '72 K20 Suburban + '65 Dodge Town Wagon '72 Corvette Roadster +'67 Corvette Roadster '73 Z-28 Camaro '63 Ford SWB Uni Pickup '50 Ford Coupe |
11-27-2013, 06:08 PM | #18 |
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Re: need a little help on a tpi swap
I don't care what anyone says about baffeled tanks. U are in for trouble with out them. Once U run down the gas level it will slosh it all over the place. The fuel gauge will read all kinds of levels after U used about a 1/4 of tank of gas. On top of that U will pull air into the pump and cause it to faill once your down towards the bottom of the tank. I know from past experience and I've had mine in the 71 since 1989.
I have one of the first Street & Performance wiring harnesses in my truck. I run a v-6 Ferieo computer with a modified v-8 chip.
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1971 LWB Custom, 6.0LS & 4L80E, Speedhut.com GPS speedometer & gauges with A/C. 20" Boss 338's Grey wheels 4 wheel disc brakes. My Driver Seeing the USA in a 71 Upstate SC GM Truck Club 2013,14 and 2016 Hot Rod Pour Tour http://upstategmtrucks.com/ Get out and drive the truck this summer and have some fun! It sucks not being able to hear! LWB trucks rule, if you don't think so measure your SWB! After talking to tech support at Air Lift I have found out that the kit I need is 60811. Per the measurements I gave them. Ride height of truck inside spring and inside diameter of springs. |
11-27-2013, 08:53 PM | #19 |
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Re: need a little help on a tpi swap
i have the filter before the pump to prolong the pump life as the pump is $90 and the filter is only $15 and yes its below the tank mounted on the frame as close as possible to the tank and im using the stock sending unit which i added a return line to so the pick up is only a 1/2 inch from the bottom of the tank and last i checked i had 7 gallons in it so it should be close to half full
Last edited by birdman8711; 11-27-2013 at 09:06 PM. |
11-28-2013, 08:07 AM | #20 |
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Re: need a little help on a tpi swap
Are U sure the pump is coming on? It may take it a little bit to prime it since it's a inline pump pulling the fuel up the sendor then to the pump.
This is beeen a problem with in line pumps since the beginning.
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1971 LWB Custom, 6.0LS & 4L80E, Speedhut.com GPS speedometer & gauges with A/C. 20" Boss 338's Grey wheels 4 wheel disc brakes. My Driver Seeing the USA in a 71 Upstate SC GM Truck Club 2013,14 and 2016 Hot Rod Pour Tour http://upstategmtrucks.com/ Get out and drive the truck this summer and have some fun! It sucks not being able to hear! LWB trucks rule, if you don't think so measure your SWB! After talking to tech support at Air Lift I have found out that the kit I need is 60811. Per the measurements I gave them. Ride height of truck inside spring and inside diameter of springs. |
11-28-2013, 12:34 PM | #21 |
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Re: need a little help on a tpi swap
Or.....you could use a surge tank. I'm building a TPI system also. This will be mounted between the fender and battery. Follow along on my build.http://67-72chevytrucks.com/vboard/s...=1#post6356218
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1969 RS/SS Z10 Camaro Pace coupe 1972 GMC Short Step buildhttp://67-72chevytrucks.com/vboard/s...=1#post6356218 1979 Mazda RX7 1979 Pontiac Trans Am WS6 & 1979 Pontiac Trans Am 10th Anniversary 1999 Honda Valkyrie 2006 Corvette Z06 2010 BMW 650i |
11-28-2013, 03:25 PM | #22 | |
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Re: need a little help on a tpi swap
Quote:
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1971 LWB Custom, 6.0LS & 4L80E, Speedhut.com GPS speedometer & gauges with A/C. 20" Boss 338's Grey wheels 4 wheel disc brakes. My Driver Seeing the USA in a 71 Upstate SC GM Truck Club 2013,14 and 2016 Hot Rod Pour Tour http://upstategmtrucks.com/ Get out and drive the truck this summer and have some fun! It sucks not being able to hear! LWB trucks rule, if you don't think so measure your SWB! After talking to tech support at Air Lift I have found out that the kit I need is 60811. Per the measurements I gave them. Ride height of truck inside spring and inside diameter of springs. |
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11-28-2013, 06:14 PM | #23 |
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Re: need a little help on a tpi swap
Few more pics of what's going on inside the surge tank.
http://67-72chevytrucks.com/vboard/s...=1#post6356218
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1969 RS/SS Z10 Camaro Pace coupe 1972 GMC Short Step buildhttp://67-72chevytrucks.com/vboard/s...=1#post6356218 1979 Mazda RX7 1979 Pontiac Trans Am WS6 & 1979 Pontiac Trans Am 10th Anniversary 1999 Honda Valkyrie 2006 Corvette Z06 2010 BMW 650i |
12-02-2013, 07:32 PM | #24 |
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Re: need a little help on a tpi swap
okay guys got the fuel system primed i ended up just using a multi use transfer pump from harbor freight to pull the fuel through and it only took about 2 minutes to do
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12-03-2013, 12:11 PM | #25 |
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Re: need a little help on a tpi swap
Heres the answer to your PM, the adapter to the fuel filter is ORS, i can give you thread and pitch if needed. The other end of the adapter is AN barrel nut and sleeve, your choice on how you want to terminate
The filter is not NPT 20131203_110123 by jarosaj, on Flickr
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Semper Fi...Uncle Sam, you da man All parts offered to help are free, unless otherwise noted Dont try this stuff in my build thread, unless you have 55 years of mechanical OTJ training SAFETY FIRST AS usual, off topic They say your mind goes second, can't remember the first Jim |
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