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What to do with a vic jr plenum/porting
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Topic: What to do with a vic jr plenum/porting (Read 16506 times)
juiced coupe
Six figures worth of don't give a f*ck
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Big Block
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Re: What to do with a vic jr plenum/porting
«
Reply #15 on:
December 17, 2015, 10:38:45 pm »
http://professional-products.com/fuel-systems/fuel-rails/professional-products-fuel-rails-for-ford-351w-302-intake-manifolds
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Doing more with less, or something like that.
http://sbftech.com/index.php/topic,20009.0.html
Quote from: Monte Smith
Bottom line, if it was the hot ticket, the fast guys would do it.............they don't
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I honestly don't get it.
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I'm sweating, my heart is racing, my clutch foot is twichin', and my right arm punched the computer screen doing an involentary 2-3 shift while reading all that.
David Claflin
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Re: What to do with a vic jr plenum/porting
«
Reply #16 on:
December 18, 2015, 05:39:54 am »
I actually have an extra set of edelbrock fuel rails, I was looking last night how to make them work on this vs. buying another set.
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1990 Red LX, 306, 80MM, ported gt40's, ported explorer upper accufab longtubes, 3" exhaust, 4.30's, 336/331
1985 LTD LX 347, 205 11R's, TFS-R, 90MMTB, MAC 1 3/4" longtubes, 4R70W, mach 1 brakes
1988 GT long term project
David Claflin
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Re: What to do with a vic jr plenum/porting
«
Reply #17 on:
March 08, 2016, 07:27:49 pm »
I was mocking this up tonight and the pro products intakes have a tab on the front and back runners so the fuel rails can be attached. This intake of mine doesn't have them, so I could either fab up some tabs and have them welded on, or return these things and use the extra set of edelbrock fuel rails I have. Both would require some degree of fabrication to make them work.
http://professional-products.com/intake-manifolds/small-block-ford/small-block-ford-hurricane-polished-efi-version
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1990 Red LX, 306, 80MM, ported gt40's, ported explorer upper accufab longtubes, 3" exhaust, 4.30's, 336/331
1985 LTD LX 347, 205 11R's, TFS-R, 90MMTB, MAC 1 3/4" longtubes, 4R70W, mach 1 brakes
1988 GT long term project
David Claflin
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Big Block
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Redneck Riviera (Ft Walton Beach Florida)
Re: What to do with a vic jr plenum/porting
«
Reply #18 on:
April 08, 2016, 07:20:16 pm »
Got some pics of this turd
port
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1990 Red LX, 306, 80MM, ported gt40's, ported explorer upper accufab longtubes, 3" exhaust, 4.30's, 336/331
1985 LTD LX 347, 205 11R's, TFS-R, 90MMTB, MAC 1 3/4" longtubes, 4R70W, mach 1 brakes
1988 GT long term project
David Claflin
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Big Block
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Redneck Riviera (Ft Walton Beach Florida)
Re: What to do with a vic jr plenum/porting
«
Reply #19 on:
April 08, 2016, 07:21:43 pm »
Fuel rails are ziptied on so I can fab mounts for them.
1262 gasket just for comparison's sake
Stock gasket
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1990 Red LX, 306, 80MM, ported gt40's, ported explorer upper accufab longtubes, 3" exhaust, 4.30's, 336/331
1985 LTD LX 347, 205 11R's, TFS-R, 90MMTB, MAC 1 3/4" longtubes, 4R70W, mach 1 brakes
1988 GT long term project
jayh
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Re: What to do with a vic jr plenum/porting
«
Reply #20 on:
April 09, 2016, 10:09:47 am »
you just fab tabs that go under the bolts and then drill the bottom of the rail
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425" pump gas 6.2@110
David Claflin
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Big Block
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Re: What to do with a vic jr plenum/porting
«
Reply #21 on:
April 09, 2016, 11:52:43 am »
Quote from: jayh on April 09, 2016, 10:09:47 am
you just fab tabs that go under the bolts and then drill the bottom of the rail
There's couple ways to do this, I was going to use the way that would involve no other holes in the fuel rails. I had actually started to go one route by checking four of the intake bolts in the lathe and truing the top, then drilling and tapping the bolt from the top so I could mount the rail brackets to those, but then decided I'd rather not drill another hole in them and will just fab some brackets to weld on, and use the original holes. I'll get pics up when it's done. I've got some other projects I've got to finish before I start butchering this up.
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1990 Red LX, 306, 80MM, ported gt40's, ported explorer upper accufab longtubes, 3" exhaust, 4.30's, 336/331
1985 LTD LX 347, 205 11R's, TFS-R, 90MMTB, MAC 1 3/4" longtubes, 4R70W, mach 1 brakes
1988 GT long term project
tmoss
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Re: What to do with a vic jr plenum/porting
«
Reply #22 on:
April 13, 2016, 09:03:04 am »
Good job, looking forward to seeing results.
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Tom 88 vert 5spd 3:73 Crower 15511 cam @ 110, 70mm TB, SMII, GT40P wManley race valves Isky Springs and Ti locks/keepers, Mac 1.625 shorties, dumpoed Flowmasters.
www.fastlanecars.com
http://tmossporting.0catch.com/
David Claflin
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Re: What to do with a vic jr plenum/porting
«
Reply #23 on:
June 18, 2016, 08:01:49 pm »
I think it's ready to go back to the welder for welding up the fuel rail mounts. I opened up the ports to match the edelbrock heads on my 306 that was in the red car. I cut out some of the flashing between ports, just because, and did some work as suggested on the plenum. Any more suggestions let me know.
IMG_1644.JPG
(2535.23 KB, 4000x3000 - viewed 192 times.)
IMG_1645.JPG
(2319.88 KB, 4000x3000 - viewed 183 times.)
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1990 Red LX, 306, 80MM, ported gt40's, ported explorer upper accufab longtubes, 3" exhaust, 4.30's, 336/331
1985 LTD LX 347, 205 11R's, TFS-R, 90MMTB, MAC 1 3/4" longtubes, 4R70W, mach 1 brakes
1988 GT long term project
David Claflin
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Big Block
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Redneck Riviera (Ft Walton Beach Florida)
Re: What to do with a vic jr plenum/porting
«
Reply #24 on:
June 18, 2016, 08:08:19 pm »
Entrance to ports through the plenum
IMG_1646.JPG
(2668.21 KB, 4000x3000 - viewed 197 times.)
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1990 Red LX, 306, 80MM, ported gt40's, ported explorer upper accufab longtubes, 3" exhaust, 4.30's, 336/331
1985 LTD LX 347, 205 11R's, TFS-R, 90MMTB, MAC 1 3/4" longtubes, 4R70W, mach 1 brakes
1988 GT long term project
Jeff351w
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393 build & new trans in progress
Re: What to do with a vic jr plenum/porting
«
Reply #25 on:
June 20, 2016, 01:09:09 am »
I can't tell if it's the pic angle or what, but there appears to be a small ridge at the roof entrance to the corner ports in the last pic. Is that intended or should it have more of a radius? Or is it not a true representation of the entrance?
I'm asking not criticizing David. You've done a nice job with that intake.
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Quote from: mighty mouse
I often have tires with just too much tread or a fuel tank that is just too full. Accept no substitutes!
David Claflin
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Re: What to do with a vic jr plenum/porting
«
Reply #26 on:
June 20, 2016, 09:35:32 pm »
Quote from: Jeff351w on June 20, 2016, 01:09:09 am
I can't tell if it's the pic angle or what, but there appears to be a small ridge at the roof entrance to the corner ports in the last pic. Is that intended or should it have more of a radius? Or is it not a true representation of the entrance?
I'm asking not criticizing David. You've done a nice job with that intake.
I think it's just the way the picture is, plus the ports kind of lean toward the turn as they make the turn to the head, so one side is a little lower than the other. Running a finger down it feels relatively smooth, but looks peculiar in the pic.
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1990 Red LX, 306, 80MM, ported gt40's, ported explorer upper accufab longtubes, 3" exhaust, 4.30's, 336/331
1985 LTD LX 347, 205 11R's, TFS-R, 90MMTB, MAC 1 3/4" longtubes, 4R70W, mach 1 brakes
1988 GT long term project
David Claflin
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Big Block
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Redneck Riviera (Ft Walton Beach Florida)
Re: What to do with a vic jr plenum/porting
«
Reply #27 on:
May 13, 2017, 01:00:50 pm »
I put my turd on the dyno the same day as my son's. I first ran it with a vic jr, and an elbow, then swapped the elbow for a 4 hole throttle body. The elbow made a bit more power at the top end only, but the 4 hole throttle body made more average power and torque. I used a stock DB1 processor, and it worked much better with my 306 and Jay cam than it did with the B-cam, all hail B-cam
The engine now in it is the 1986 flat top with valve reliefs, and a set of mildly ported GT40s, B cam, cobra 1.7s, and 1 3/4 longtubes, full 3" exhaust. I'm going to swap the ported truck lower, with my slightly modified Holley SMII upper, should have some track results next weekend.
Logged
1990 Red LX, 306, 80MM, ported gt40's, ported explorer upper accufab longtubes, 3" exhaust, 4.30's, 336/331
1985 LTD LX 347, 205 11R's, TFS-R, 90MMTB, MAC 1 3/4" longtubes, 4R70W, mach 1 brakes
1988 GT long term project
CDW6212R
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Knoxville, TN.
Re: What to do with a vic jr plenum/porting
«
Reply #28 on:
May 13, 2017, 06:52:32 pm »
Quote from: David Claflin on May 13, 2017, 01:00:50 pm
I put my turd on the dyno the same day as my son's. I first ran it with a vic jr, and an elbow, then swapped the elbow for a 4 hole throttle body. The elbow made a bit more power at the top end only, but the 4 hole throttle body made more average power and torque. I used a stock DB1 processor, and it worked much better with my 306 and Jay cam than it did with the B-cam, all hail B-cam
The engine now in it is the 1986 flat top with valve reliefs, and a set of mildly ported GT40s, B cam, cobra 1.7s, and 1 3/4 longtubes, full 3" exhaust. I'm going to swap the ported truck lower, with my slightly modified Holley SMII upper, should have some track results next weekend.
It's good to hear that you are making lots of changes to test out, I hope you get it running very fast, and are happy with it too.
What two TB's did you compare, and I'm assuming the one with the elbow was a big 90mm plus size? I'm asking also because I'm wondering what size ballpark I should be in for a 351 Clevor I want to build. I will use an elbow so I can partially mount an old 70's air cleaner on top. I haven't seen an elbow with an angle to match the old snorkel inlet part, I may have to make such a thing. So what's the right TB size to feed a 6000-6500rpm 351? The intake I'll use is a big single plane like the Victor Jr etc.
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Don
1991 Mark VII LSC Special Edition, soon to be OBDII and 4R70W, then GTC body kit and 347.
1998 Mountaineer, plans for A4WD and KB 2200 blower later, XP8 parts, paint and a 332.
1973 Ranchero and 72 Sport front end ...will be a 351 Clevor, EFI and 4R70W.
David Claflin
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Re: What to do with a vic jr plenum/porting
«
Reply #29 on:
May 13, 2017, 07:31:22 pm »
Quote from: CDW6212R on May 13, 2017, 06:52:32 pm
What two TB's did you compare, and I'm assuming the one with the elbow was a big 90mm plus size?
Yes 90MM with a 6061 elbow, and then a 4 hole mass flo 1000 cfm throttle body like this one
http://www.promracing.com/parts-accessories/throttle-bodies/1000-cfm-throttle-body-with-tps.html
Logged
1990 Red LX, 306, 80MM, ported gt40's, ported explorer upper accufab longtubes, 3" exhaust, 4.30's, 336/331
1985 LTD LX 347, 205 11R's, TFS-R, 90MMTB, MAC 1 3/4" longtubes, 4R70W, mach 1 brakes
1988 GT long term project
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