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3Katz

NASCAR engine 69 Fastback

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Hi guys,

I've found this site such a great resource over the last few years with really helpful members happy to help others I thought I'd try to contribute something - if for nothing else then hopefully for some amusement at least. 

Here is my Mustang, I bought it a couple of years ago from Texas and had it imported to Australia. My mate and I went and picked it up from the shipping yard, and that very same afternoon we were driving it on the road fully registered. (this is my nephew having a ball cruising the coast)

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It had a nice 331 stroker, wide ratio toploader and disk brake lsd 9". It also had air conditioning and power steering. Notice I said "had"?

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Everything has been sold off as I have been collecting parts over the last year or so - with allot of help from mates!

Something I've always wanted (and one of the reasons I chose a Mustang) is a NASCAR powered street car. A mate of mine who travels to the States regularly managed to score me a C3 Cup engine, built (originally) by the man himself - Ernie Elliott. It didn't come with the dry sump pump so I've rebuilt this second hand one and after ordering some mounts from Raceline have the pump mounted up and ready to start mocking up in the engine bay. 

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It will be running a T56 Magnum with the .8 and. 63 overdrive and a twin plate clutch.  I've pulled the interior out and am still impressed as to the lack of rust in this car, the rear screen leaks (of course) and I thought for sure there'd be some serious issues as a result but everything is good so far. There is some patch work in the boot floor area but it will be getting a new pan through there anyway, mini tubs and raising the floor if required to run the exhaust over the diff. 

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I had some diff parts sent over some time ago and have started assembly. A Moser housing shortened 4", nodular iron center with grizzly locker, aluminium Daytona pinion support, 35 spline axles and unfortunately 3.7 gears. After fab work has completed and we have a tyre height and engine dyno results the center will come back out and get a more serious set of gears, probably around in the  low 5's. Had a minor stuff up when ordering the axles and studs as I ordered 5/8 x 3" studs thinking they were press ins. They are screw ins and as such are actually 11/16 on the shank. Too fat for the wheels I want to run so have ordered 5/8 × 2 /12" press ins and will have to get the axle flange machined to suit.

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Thanks RPM, it's not one for the purists but it should be a heap of fun. The body and chassis work will be done by a shop, as will the paint. I'd love to be able to do it myself but I just don't have the skills. I will do everything I can though and there's alot of easy jobs - tearing down, assembling components diff, brakes etc and putting everything back together. The next stage after getting the diff installed and car rolling is taking it to the chassis shop. 

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Things I'd recommend if you don't already have them:

-Subframe connectors

-Export brace

-Monte Carlo bar

-Arning/Shelby upper control arm drop

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Yes it will require a bit of reinforcement, I'll definitely look at doing the drop as well. I aim to keep it mostly to the period, will be keeping the leaf springs and shock towers etc, no huge brakes or coil overs and will be running 15" wheels. 

Good advice Midlife!

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On 5/14/2019 at 11:11 PM, 3Katz said:

 no huge brakes

Did you forget you are running an NASCAR engine ?? 

Anyway, it looks like a nice build. Looking forward to follow it!

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5 hours ago, fvike said:

Did you forget you are running an NASCAR engine ?? 

Anyway, it looks like a nice build. Looking forward to follow it!

Ha ha, yes that's definitely something to keep in mind, however the brakes need to fit under 15" wheels. I have 4 pot Willwoods for the back and will run the same for the front. Painted black they shouldn't stand out at all.

Thanks, I'm looking forward to getting some more work done. I would really like to have it finished within a year but these things always blow out so we'll see how we go.

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I had the axles machined to accept the new press ins and had to get the disks machined as well to fit over the 5/8 studs.20190601_120150.thumb.jpg.910275569fbf288b62795bebc315b02e.jpg

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To get it rolling I had some BA Falcon rims with 2nd hand tyres. I had to put the rims on backwards with spacers because of the Falcon offset and shortened housing.

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 Worked out ok and this week coming we're off to the body shop!

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