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Torino Wagon Turbo 250 build

Moderator: Mod Squad

ldm314
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Torino Wagon Turbo 250 build

Post #1 by ldm314 » Mon Nov 18, 2019 8:31 pm

Getting the parts together for my turbo 250 build. It is a stock 250 with 150K miles on it. My goal is to make it work with the low quality parts that I'm ordering. First going to be using a T04E 67 trim Ebay turbo. The carb is a ProComp 2 barrel. Spectre carb hat and a downtube from Ebay. I'm going to be creating a J tube with some 2.5" U bends, a 2.5 to 2" adapter, bolted to the stock exhaust manifold. Welding with my Harbor Freight flux core machine.

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Parts are slowing coming in.

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powerband
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Re: Torino Wagon Turbo 250 build

Post #2 by powerband » Tue Nov 19, 2019 9:06 am

My goal is to make it work with the low quality parts ...

.. as opposed to high price - low quality parts? -

You're off to a great start with the basics for the 250 turbo conversion. I'll be following, 'been working on my (low cost) forced induction 250 Maverick for a few years and I'm at least half done ... 8)

> with abundant turbo/SC parts and info for current cars, there are plenty of 'low quality' (low cost) used/usable forced induction options available for the motivated...

a few basic low boost FI considerations ($) :
; boost referenced fuel supply usually with return from bypass regulator to tank.
; ignition control of spark advance under boost.
; AFR monitoring - especially initial tuning .

... for high boost / performance there are a a whole other set of considerations...

creating a J tube with some 2.5" U bends, a 2.5 to 2" adapter, bolted to the stock exhaust manifold. Welding with my Harbor Freight flux core machine.

may want to add flex ftg's for thermal cycling:
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hav efun
"Take time to stop and smell... The roadkill..."

ldm314
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Re: Torino Wagon Turbo 250 build

Post #3 by ldm314 » Wed Nov 20, 2019 4:25 pm

Thanks for the tips. My first step is going to be to switch to the new carb and get it running well. For ignition I have a generic replacement distributor with a vacuum advance. I plan to try and modify it to provide advance at vacuum and pull some out on boost.

Fuel system wise I first am going to try to boost reference the stock fuel pump. If that doesn't work, and electric pump with a blocking boost reference regulator.

I'm hoping to "finish" this project over a few weeks to a few months. I like driving the wagon around town and usually drive it every day. We will see if the weather cooperates here too...

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powerband
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Re: Torino Wagon Turbo 250 build

Post #4 by powerband » Wed Nov 20, 2019 4:59 pm

::

Good when possible to get the new carb running well NA before the blower conversion.The Blow Thru mods wont eliminate NA operation, just not optimized.

Referencing the OEM mechanical pump is ambitious, of course vintage Draw-Thru turbo setups don't need boost referenced fuel pressure ...

The DS-II distributors of mid 70's already have very limited mechanical advance and is easily modified.


Nice Torino ! , the once scorned more-door / long-roof 4dr wagons' are getting respect these days'.

have fun

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"Take time to stop and smell... The roadkill..."

ldm314
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Re: Torino Wagon Turbo 250 build

Post #5 by ldm314 » Wed Nov 20, 2019 5:00 pm

Just ordered this short flex pipe for the J pipe. I have a turbo kit for a VW engine in pieces in my basement also. Hoping to reuse some parts from it if I can.

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powerband
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Re: Torino Wagon Turbo 250 build

Post #6 by powerband » Wed Nov 20, 2019 5:59 pm

'
'
Hoping to reuse some parts from it if I can.

The Blow-Off valve on my 250 is re-purposed Subaru WRX item ...

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"Take time to stop and smell... The roadkill..."

ldm314
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Re: Torino Wagon Turbo 250 build

Post #7 by ldm314 » Mon Jan 13, 2020 12:26 am

This project is still underway. First thing I need to find a throttle cable kit for the Torino. It looks like some lever system currently. In the meantime I've been driving it around as my daily.

ldm314
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Re: Torino Wagon Turbo 250 build

Post #8 by ldm314 » Sat Jan 18, 2020 7:13 pm

The real first step is done. I added a fuse panel and upgraded the headlights to draw power through it with a relay. The next few circuits connected to this box will include the new distributor and electric fans.

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ldm314
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Re: Torino Wagon Turbo 250 build

Post #9 by ldm314 » Sun Jan 19, 2020 8:37 pm

Today a distributor upgrade

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pmuller9
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Re: Torino Wagon Turbo 250 build

Post #10 by pmuller9 » Mon Jan 20, 2020 5:13 pm

How are you going to retard the timing as boost increases?

ldm314
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Re: Torino Wagon Turbo 250 build

Post #11 by ldm314 » Wed Jan 22, 2020 11:42 pm

pmuller9 wrote:How are you going to retard the timing as boost increases?


I am going to use the vacuum advance to do it and run it off manifold vacuum/boost. First adjust the vacuum advance to apply more advance than usual. Then limit the range of the mechanical advance to about half it's normal travel. Idle and cruising will have higher manifold vacuum and higher advance. Once boost comes in, the vacuum advance goes to zero and is limited to the mechanical only.

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62Cometman
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Re: Torino Wagon Turbo 250 build

Post #12 by 62Cometman » Thu Jan 30, 2020 1:52 pm

You could also run a MSD 6BTM box specifically designed for boost applications that electronically retards ignition based on boost pressure, their instructions show you how to wire up with and HEI based distributor. Would highly recommend.
1962 Mercury Comet 170 ci, Dagenham Trans, 2.83:1 7.25 rear.
She ain't fast but she's fun. 8)

ldm314
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Re: Torino Wagon Turbo 250 build

Post #13 by ldm314 » Fri Jan 31, 2020 11:42 pm

62Cometman wrote:You could also run a MSD 6BTM box specifically designed for boost applications that electronically retards ignition based on boost pressure, their instructions show you how to wire up with and HEI based distributor. Would highly recommend.


Definitely going with that if this doesn't work out. I've been happy with the MSD 6A in my other torino for a long time now. This weekend I am going to try a throttle cable conversion and mount the new carb. Hopefully I can get the C4 kickdown working, otherwise that is going to be disconnected and I'll shift the C4 manually until I can get a cable kit for that.

ldm314
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Re: Torino Wagon Turbo 250 build

Post #14 by ldm314 » Sat Feb 01, 2020 8:04 pm

Ran into a roadblock today, this carb adapter doesn't seem to work very well. The only way it really mounts is with the carb backwards. Looks like to use this one I will need to heavily modify the linkage and fuel line. I've ordered the adapter from vintage inlines that mounts the carb 90 degrees from this.

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ldm314
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Re: Torino Wagon Turbo 250 build

Post #15 by ldm314 » Wed Feb 12, 2020 7:31 pm

Got a new carb spacer today but still a few snags. Throttle cable was too short to reach with the fuel bowl pointing to the passenger side. Can't flip around because then the fuel bowl hits the valve cover. Ordered today a 1/2" spacer which will let me mount it without hitting the valve cover.

ldm314
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Re: Torino Wagon Turbo 250 build

Post #16 by ldm314 » Thu Feb 13, 2020 4:18 am

A couple of pictures of the Vintage Inlines adapter. The insert is a very snug fit, you have to get the bolts turned just right. I'll have to loctite the allen bolts or find some with smaller heads when I do the final assembly. I also plan to remove the valve cover, clean and paint it. The gasket is leaking oil and I have a new one ready.

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