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My Paxton Project

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jbach72gts View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote jbach72gts Quote  Post ReplyReply Direct Link To This Post Topic: My Paxton Project
    Posted: 30-October-2020 at 9:13AM
Been working on this for awhile....

The engine is a 351C  2V backed by a rebuilt C4 

This was an early mock up.

I've since added an intercooler in front of a new Champion radiator




edit:  rotated image


Edited by jbach72gts - 02-November-2020 at 3:08AM
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jbach72gts View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote jbach72gts Quote  Post ReplyReply Direct Link To This Post Posted: 30-October-2020 at 9:19AM
Mounting the ic

I'll post some more current pics of the project later

Jon







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Post Options Post Options   Thanks (0) Thanks(0)   Quote mkshelton Quote  Post ReplyReply Direct Link To This Post Posted: 30-October-2020 at 10:17AM
Awesome! Can you share photos of how you routed the piping?
"Sometimes I wonder if I'm actually UNinventing the wheel"
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Post Options Post Options   Thanks (0) Thanks(0)   Quote jbach72gts Quote  Post ReplyReply Direct Link To This Post Posted: 30-October-2020 at 12:03PM
Here are some pics as it sits today
Jon




















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Post Options Post Options   Thanks (0) Thanks(0)   Quote jbach72gts Quote  Post ReplyReply Direct Link To This Post Posted: 30-October-2020 at 12:11PM
Here's the oil pick up and return, and the Puralator fuel pump I'm using to circulate the fluid to the smaller cooler mounted above the intercooler





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Post Options Post Options   Thanks (0) Thanks(0)   Quote californiajohnny Quote  Post ReplyReply Direct Link To This Post Posted: 30-October-2020 at 12:47PM
Shocked wow that's a lot of stuff under the hood, but worth it Wink
JOHN
74 GRAN TORINO S&H CLONE
74 VETTE CUSTOM
90 S10 BLAZER 4X4 LIFTED
77 CELICA CUSTOM
75 V8 MONZA SUPERCHARGED
79 COURIER VERT. SLAMMED
75 VEGA V6 5 SPD
70 CHEV C10 P/U
68 MUSTANG FB CONVERSION
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 72 RS 351 Quote  Post ReplyReply Direct Link To This Post Posted: 30-October-2020 at 12:58PM
I love it, a Cleveland on boost.

How big is the trans cooler, is that what's above the IC? I'd have a large trans cooler for a serious power vehicle. The early 2000's Super Duty trucks have one that is very long(wide) and short. It should fit in most vehicles, it's as long as a typical radiator, I'd say it's almost two square feet in area. I'm looking for one or two more of those myself.
Don
73 Ranchero GT 351C-4V 3.70 gears, to build a keeper
73 Ranchero Sport "72 front end", floor shift/console, planning EFI 351-3V &4R70W
92 Lincoln Mark VII SE, OBDII 347/4R70W
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Post Options Post Options   Thanks (0) Thanks(0)   Quote jbach72gts Quote  Post ReplyReply Direct Link To This Post Posted: 30-October-2020 at 1:06PM
I totally agree.

I tried to keep it clean.

Aside from the blower, intake, MSD Atomic fuel injection, and Hooker headers, the engine (block / crank / rods / pistons / cam / heads) is stock as far as I can tell.

It makes 7 lbs of boost, even moving air through all that plumbing.

The MSD has a boost referenced timing retard feature.

I monitor the afr with a Zeitronix dual channel ZT-4 gauge.

NA it ran 14.36 @ 93.41 last year, with 3.89 single track.

With the Paxton, and not completely dialed in, it ran 13.34 @ 101 last weekend.

Pretty happy so far, but I'm starting a list for my next iteration ---- a t4 turbo.




Edited by jbach72gts - 30-October-2020 at 1:50PM
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 72 RS 351 Quote  Post ReplyReply Direct Link To This Post Posted: 30-October-2020 at 1:11PM
I have a used turbo somewhere from an Eagle Talon, wow that's been a long time since I got it(about 1999). I was going to use two of those for my 91 Mark VII at the time. Things change and I saw too much power doing that, so I stayed on a NA path, a 347 and a new 92 LSC.

Have fun with that, I love the 72's.
Don
73 Ranchero GT 351C-4V 3.70 gears, to build a keeper
73 Ranchero Sport "72 front end", floor shift/console, planning EFI 351-3V &4R70W
92 Lincoln Mark VII SE, OBDII 347/4R70W
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Post Options Post Options   Thanks (0) Thanks(0)   Quote jbach72gts Quote  Post ReplyReply Direct Link To This Post Posted: 30-October-2020 at 1:45PM
"How big is the trans cooler, is that what's above the IC? I'd have a large trans cooler for a serious power vehicle. The early 2000's Super Duty trucks have one that is very long(wide) and short. It should fit in most vehicles, it's as long as a typical radiator, I'd say it's almost two square feet in area. I'm looking for one or two more of those myself."

The intercooler is a Mishimoto
Right above that is a small trans cooler for cooling the Paxton.
Behind the supercharger cooler is the transmission cooler. Its hard to see, but I  mounted them there to allow more air flowing to the ic.

I dont remember the size of the coolers but could look it up.

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Post Options Post Options   Thanks (0) Thanks(0)   Quote 72 RS 351 Quote  Post ReplyReply Direct Link To This Post Posted: 30-October-2020 at 1:58PM
Gotcha, the blower has fluid in it and that's a cooler for it. I missed that before. Monitor the ATF temps, you might not need any more cooling depending on how it's driven etc.
Don
73 Ranchero GT 351C-4V 3.70 gears, to build a keeper
73 Ranchero Sport "72 front end", floor shift/console, planning EFI 351-3V &4R70W
92 Lincoln Mark VII SE, OBDII 347/4R70W
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Post Options Post Options   Thanks (0) Thanks(0)   Quote californiajohnny Quote  Post ReplyReply Direct Link To This Post Posted: 30-October-2020 at 3:20PM
oh that's what that is... cooling for the blower, i thought it was an oil feed like a turbo has
JOHN
74 GRAN TORINO S&H CLONE
74 VETTE CUSTOM
90 S10 BLAZER 4X4 LIFTED
77 CELICA CUSTOM
75 V8 MONZA SUPERCHARGED
79 COURIER VERT. SLAMMED
75 VEGA V6 5 SPD
70 CHEV C10 P/U
68 MUSTANG FB CONVERSION
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Post Options Post Options   Thanks (0) Thanks(0)   Quote jbach72gts Quote  Post ReplyReply Direct Link To This Post Posted: 31-October-2020 at 10:16PM
One of the car .....


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Post Options Post Options   Thanks (0) Thanks(0)   Quote 72FordGTS Quote  Post ReplyReply Direct Link To This Post Posted: 01-November-2020 at 7:48AM
Really nice work and great looking GTS! Thumbs Up Of all the cars with extra room for coolers in front of the rad, the 1972 Gran Torino has got be be one of the best.  There is a lot of empty space up in front of the rad support.
Vince

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Post Options Post Options   Thanks (0) Thanks(0)   Quote jbach72gts Quote  Post ReplyReply Direct Link To This Post Posted: 01-November-2020 at 9:03AM
Thank you sir

I didn't do the paint work, but I did reassemble it afterward and replaced or  refurbished all of the suspension and brakes

Not nearly as nice and detailed as your build. That thing's impressive.

I actually wanted to build a 400 but couldn't find an early block to go with my C4, which I'd already had rebuilt.

And yup...there's an acre of real estate in front. I ditched the ac condenser in lieu of the IC

If anyone's gonna replicate this, I will be happy to give advice based on my experience.

One thing to note is that I changed the radiator for one a little narrower to give me the clearance needed for the tubes to and from the IC.

It's a Champion CC-381 for a 69-72 Ford purchased from Jegs.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Steve M. Quote  Post ReplyReply Direct Link To This Post Posted: 01-November-2020 at 9:05AM
That is one nice set-up! 
Steve M.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote jbach72gts Quote  Post ReplyReply Direct Link To This Post Posted: 01-November-2020 at 9:25AM
thank you, Steve

It's amazing how long it takes to get a car to this (or any) progress point, then start over again.

My wife and I bought this when our daughter was first born.  Took her with us when we picked it up. She was in a "bucket"  (infant car seat)

Now she's 15.   Yikes !!

Soooooo many stories.

Like how my vinegar-and-water neighbor ratted on me for a shed that was too close to his fence.

So I gave away the shed instead of moving it like the town building inspector wanted.  Unfortunately everything from the shed had to go in the garage, and the Torino went from the garage to my dad's.  

So I decided pretty quickly to finish the car because dad's getting on in age,and the car had been sitting for 12 years (it was the Big Red Shelf)

Thank you mr neighbor !!

Jon


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Post Options Post Options   Thanks (0) Thanks(0)   Quote jbach72gts Quote  Post ReplyReply Direct Link To This Post Posted: 01-November-2020 at 9:34AM
one with the "drag pack"

We used to call these "big and littles"


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Post Options Post Options   Thanks (0) Thanks(0)   Quote jbach72gts Quote  Post ReplyReply Direct Link To This Post Posted: 01-November-2020 at 11:18AM
prior to the supercharger project, I made my own sealed air induction






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Post Options Post Options   Thanks (0) Thanks(0)   Quote handsofstone Quote  Post ReplyReply Direct Link To This Post Posted: 01-November-2020 at 11:29AM
Excellent work.  Gorgeous car.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote jbach72gts Quote  Post ReplyReply Direct Link To This Post Posted: 01-November-2020 at 11:41AM
thank you, hands


Jon


Edited by jbach72gts - 01-November-2020 at 12:22PM
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Steve M. Quote  Post ReplyReply Direct Link To This Post Posted: 02-November-2020 at 11:25AM
That is nice.  I see your in search of the perfect  "tweek"!Big smile
Steve M.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote jbach72gts Quote  Post ReplyReply Direct Link To This Post Posted: 02-November-2020 at 12:37PM
Thank you Steve

The sealed hood scoop was definitely worth the effort and only took a couple evenings.

The Paxton has taken way longer than I hoped. I bought it last December and its taken this long, but well woth it.

I may try sealing the hood scoop to the Paxton next because under hood temps get pretty high.

Or I may just yank the whole supercharger setup and try a rear mounted turbo. There's something about giving away 50 hp (minimum) that it takes to drive a supercharger. 
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Post Options Post Options   Thanks (0) Thanks(0)   Quote lynchster Quote  Post ReplyReply Direct Link To This Post Posted: 21-November-2020 at 2:19PM
I like this project. I toyed with the idea years ago but I'm afraid my compression is too high now for any boost. 
  
Chuck
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08 Taurus (Maytag)
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Post Options Post Options   Thanks (0) Thanks(0)   Quote lynchster Quote  Post ReplyReply Direct Link To This Post Posted: 21-November-2020 at 2:22PM
Originally posted by jbach72gts jbach72gts wrote:

prior to the supercharger project, I made my own sealed air induction



This does have my attention!
I have one question. How do you deal with the air/fuel ratio with forcing air into the air cleaner? 


Chuck
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Post Options Post Options   Thanks (0) Thanks(0)   Quote jbach72gts Quote  Post ReplyReply Direct Link To This Post Posted: Yesterday at 12:45AM
   

Edited by jbach72gts - Yesterday at 12:45PM
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 72 RS 351 Quote  Post ReplyReply Direct Link To This Post Posted: Yesterday at 2:36AM
Ditto, many late model cars have high compression and OEM supercharging. I think making it work with high compression is about the control system, the AFR and timing. An older type of control won't be able to handle it, but the number of aftermarket systems now is large. So it's doable, but carefully.
Don
73 Ranchero GT 351C-4V 3.70 gears, to build a keeper
73 Ranchero Sport "72 front end", floor shift/console, planning EFI 351-3V &4R70W
92 Lincoln Mark VII SE, OBDII 347/4R70W
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Post Options Post Options   Thanks (0) Thanks(0)   Quote jbach72gts Quote  Post ReplyReply Direct Link To This Post Posted: Yesterday at 3:48AM
   

Edited by jbach72gts - Yesterday at 12:44PM
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Edited by jbach72gts - Yesterday at 12:43PM
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Rockatansky Quote  Post ReplyReply Direct Link To This Post Posted: Yesterday at 11:46AM
25* abdc? what cam are you running?

i think your using a .050" number instead of the seat number. quick swag you can divide the difference of the adv and .050" duration by 2 and add that 1/2 to the .050" to get a seat number. typical intake valve close on the seat is around 70*-75*, 25 is crazy early

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