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#21
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1964 Catalina 2+2 4sp, 421 Tri-power 1965 GTO, Roadster Shop chassis, 461, Old Faithful cam, KRE heads 305 CFM, Holley EFI, DIS ignition. 1969 GTO 467, Edelbrock 325 CFM, Terminator EFI 1969 Firebird Convertible |
#22
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Also there are other a few other options for sending units, I'll see if I can find the link to some of the more popular ones. |
#23
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The sender range, that too is what I was trying to explain, and the reason is that dang stupid big ball at the end. With that SW or Classic Instruments sender, with the rectangular flat float, you get a much better range, and more granularity. On the 442, the float arm with the ball float was like 2.5 inches. The square one was at least twice that length, if not more. The only thing with the flat rectangular float is that it spins, and it can sometimes stand straight up and down, reducing the travel. You think you're at a 1/4 tank, jam on the brakes at a light, it flips flat from fuel slosh, and then it's down to like an 1/8 of a tank (panic sets in). I don't like the fuel neck thing either, but those are the breaks. Pretty sure they do that so either they can ship it more flat (doesn't get bent), or so they can fit more vehicles. On the Aeromotive AN -6 fittings for the pump assembly, if you use the Aeromotive 'tapered' AN fittings, you can run an AN -8 end, and it will flow as much as using a regular, non-tapered AN -8 fitting. I spent hours on the phone on that one, and a bunch of homework. Look at the cross section of those fittings on the Aeromotive site. Think they even have flow charts for them. ..
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. 1970 GTO Judge Tribute Pro-Tour Project 535 IA2 http://forums.maxperformanceinc.com/...d.php?t=760624 1971 Trans Am 463, 315cfm E-head Sniper XFlow EFI, TKO600 extreme, 9", GW suspension, Baer brakes, pro tour car https://forums.maxperformanceinc.com...ght=procharger Theme Song: http://www.youtube.com/watch?v=7zKAS...ature=youtu.be |
#24
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The fuel neck thing isn't a big deal. Matter of fact there are many OEM GM vehicles that use filler neck setups like that without issues.
I kind of like it myself. My experience with full neck aftermarket tanks is hit and miss as some of them don't have the necks positioned exactly right and once the tank is installed the neck is either too far down or too far up making it a pain at the pump. So I end up heating the solder and moving the necks until I'm happy. Just one of those extra step things to make it work when it comes to aftermarket stuff. |
#25
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May or may not be an issue for some but why compromise. I suspect Aeromotive will come out with a -8 setup in the future. If not I'd rather they just leave the fittings and tubes off and I'll plumb my own. |
#26
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Here ya go:
https://www.aeromotiveinc.com/produc...-port-adapter/ "All Aeromotive ORB Port Fittings have an engineered, longer radii on the port side producing incredibly smooth flow transitions from the line into the port and back out again. Thanks to an overall larger bore, Aeromotive port fittings present more flow area and create less flow restriction and cavitiation than any other port fittings on the market." Although the attached pic is of 2 AN -8 fittings, you can see the opening of the ORB one is much larger than the 'standard' AN -8 fitting. The -6 ORB to -8 male has the same basic flare inside, allowing it to flow full -8 volume. .
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. 1970 GTO Judge Tribute Pro-Tour Project 535 IA2 http://forums.maxperformanceinc.com/...d.php?t=760624 1971 Trans Am 463, 315cfm E-head Sniper XFlow EFI, TKO600 extreme, 9", GW suspension, Baer brakes, pro tour car https://forums.maxperformanceinc.com...ght=procharger Theme Song: http://www.youtube.com/watch?v=7zKAS...ature=youtu.be |
#27
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(post #53) http://www.forums.maxperformanceinc....install&page=2 Now granted, the flow path is not as good as if it were true, -8 fittings (the extensions), but with a touch more psi, it won't lean out. I have a 340lph pump assembly from Tanks, if you want, I will mic the inside diameter of the NTPs. .
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. 1970 GTO Judge Tribute Pro-Tour Project 535 IA2 http://forums.maxperformanceinc.com/...d.php?t=760624 1971 Trans Am 463, 315cfm E-head Sniper XFlow EFI, TKO600 extreme, 9", GW suspension, Baer brakes, pro tour car https://forums.maxperformanceinc.com...ght=procharger Theme Song: http://www.youtube.com/watch?v=7zKAS...ature=youtu.be |
#28
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Another member had the issue with the neck not being in the correct location, I suggested he bend it back, and although he was reluctant, he did anyway, and it corrected his issue. .
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. 1970 GTO Judge Tribute Pro-Tour Project 535 IA2 http://forums.maxperformanceinc.com/...d.php?t=760624 1971 Trans Am 463, 315cfm E-head Sniper XFlow EFI, TKO600 extreme, 9", GW suspension, Baer brakes, pro tour car https://forums.maxperformanceinc.com...ght=procharger Theme Song: http://www.youtube.com/watch?v=7zKAS...ature=youtu.be |
#29
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Curious as to the interest in -8 lines, as -6 line supports ~ 700 HP N/A, or about the capacity of the 340/lph pump. What is the advantage here?
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1964 Catalina 2+2 4sp, 421 Tri-power 1965 GTO, Roadster Shop chassis, 461, Old Faithful cam, KRE heads 305 CFM, Holley EFI, DIS ignition. 1969 GTO 467, Edelbrock 325 CFM, Terminator EFI 1969 Firebird Convertible |
#30
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My original build for the 'bird was a procharged 474, had it all set up and couldn't get a decent bracket setup for reasonable money, so I bailed. But the tank I had was a Rock Valley custom, was going to run AN 10 to the y block, split to -8 for the rails, and -10 back. Fuel system was built to support about 1300+ hp. Had all the tapered fittings the whole way, and big rails.
On the 442, it started as a carb build, so did -8 the whole way, then went to EFI/TBI. But having -8 allows for going either carb or EFI. Same on the newest project, started as a carb car, had a bunch of fittings already, and other parts, so plumbed it with -8 the whole way. Just gives you flexibility is all, really. .
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. 1970 GTO Judge Tribute Pro-Tour Project 535 IA2 http://forums.maxperformanceinc.com/...d.php?t=760624 1971 Trans Am 463, 315cfm E-head Sniper XFlow EFI, TKO600 extreme, 9", GW suspension, Baer brakes, pro tour car https://forums.maxperformanceinc.com...ght=procharger Theme Song: http://www.youtube.com/watch?v=7zKAS...ature=youtu.be |
#31
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Taking the same car and jumping to -8 line almost always picks up some MPH, and a bit of ET as a result. So when I plumb a car with -8, I make sure everything is -8, and some fittings I drill the inside a bit so there are no bottle necks. Generally when running an external pump you want the pickup in the tank to be even bigger than the feed line (-10 or 5/8) so the pump doesn't have problems sucking, they are better pushers. With an intank pump you eliminate that small feature, but to have -6 on the outside of the pump for feed and return lines is a bit odd considering the HP that pump should support. Personally I just won't do it. |
#32
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The Aeromotive uses the foam the holley tank uses a badge and trap door
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468/TKO600 Ford thru bolt equipped 64 Tempest Custom. Custom Nocturne Blue with black interior. |
#33
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Sump not badge. I don’t know what’s up with my phone
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468/TKO600 Ford thru bolt equipped 64 Tempest Custom. Custom Nocturne Blue with black interior. |
#34
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Excellent.... thanks.
Ok so I buy the fuel tank and the Sniper. What other items will I need? Replace fuel lines? If so what are the recommendations? Trying to get a general shopping list together. It will be going in my 79 T/A, 400 with more of a pro touring suspension. I don't take it drag racing. |
#35
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I used the Tanks system with 240 pump supporting a 590hp (engine dyno) and 3/8 lines following the above guidelines and never "noticed" fuel starvation, and had good ET on the strip. Baffle seems better in Aero tank, but I ran the 73 almost out of gas on the strip, and still ran something like an 11.3 in the 3800lb car. After trailering home, I was taking my son for a quick ride, and literally ran out of gas within 2 miles!! That told me the Tanks baffle was probably doing ok... On the new 68 build, I looked seriously at the Aero tank with cut corners, as it looked like a very nice piece. Price was about $200 more than the same Tanks setup. Since the Tanks system worked so well in the A body, I went the same route with the 68- and have $200 to put towards the many thousands being spent here ![]() Against some recommendations here, I stayed with 3/8 feed and return line on this car (same motor) for ease of routing, etc. Again, it worked really well on previous car, and these lines are actually shorter on the fbody, so figured it cant be less flow. Worst case is that I learn from the school of hard knocks, and spend that $200 on new 1/2" lines and fittings... Good luck with your project! Sent from my SM-G965U using Tapatalk
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68 Firebird-- Street/Strip - 400/461 Eagle Forged Bottom End & Ross Flat top pistons. KRE 325 CFM D port, Ultradyne 263/271 @.050, .4267 lift. Crower Solid roller lifters and 1.65 stainless rockers. Quickfuel 1000 on Torker2 intake and 2" open spacer. Hedman 1.75" headers. TH400 w/brake. Ford 9" w/3.80 gears & 28x9 Hoosier pro bracket drag radial. Best ET: 1.35 60ft, 6.29 @ 107.20 mph, 9.99 @132.33 mph. 3,300 race weight |
#36
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That's what I do, I buy more fittings than I need, so when actually doing the install I have what I need if it doesn't work exactly as the image in my mind was. When done, send all the unused ones back to Summit, they credit you back in a surprisingly short time.
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. 1970 GTO Judge Tribute Pro-Tour Project 535 IA2 http://forums.maxperformanceinc.com/...d.php?t=760624 1971 Trans Am 463, 315cfm E-head Sniper XFlow EFI, TKO600 extreme, 9", GW suspension, Baer brakes, pro tour car https://forums.maxperformanceinc.com...ght=procharger Theme Song: http://www.youtube.com/watch?v=7zKAS...ature=youtu.be |
#37
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Received and installed the Aeromotive EFI tank. Great unit, well built and good fit. All the fittings were in it so simply hooked up the lines. Runs quiet. Filler neck was not like the pictures, it was a solid one piece, not the one with the rubber joiner. The car was run just up and down the block and no problems. Once the roads are clear and summer is here, the true testing will happen but so far all good. PS - The Sniper EFI started first turn, looking forward to the summer !!!!
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#38
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Excellent! Congrats! Nothing better than when something works like planned
![]() I ordered the same tank, Q-Jet Sniper, Holley Distributer and matching Hyperspark ignition components. |
#39
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I am using 3/8 feed and return lines. Set-ups around here are using 3/8 and no problems reported. To have added confidence I spoke with the Holley tech line a few times. I engine dyno about 540 tq and 530 hp; Holley recommended 3/8 and mentioned if I were approaching 700 hp they would recommend 1/2. That said, swapping to 1/2 at a later point would be easy - with the set-up complete now, the hard part is over. Side note - the engine dyno was done with my old off the shelf carb that likely left power on the table, and the plus 80K miles on the original distributer (getting loose) gave room for improvement, so with better/new fuel delivery and distributor and etc. now, I am sure the seat of the pants dyno will notice a difference - summer can’t come soon enough!
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#40
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On my Tanks, Inc (who makes the Holley Sniper tanks- it even has Tanks, Inc stamped on it) tank for my 74 Formula, I chose to go with the floatless sending unit-
http://www.tanksinc.com/index.cfm/pa...rod/prd346.htm
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John IG: @crawdaddycustoms YouTube: https://www.youtube.com/channel/UCK9...Nc_lk1Q/videos |
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