1970 Challenger T/A Convertible Project

erik70rt · September 08, 2019, 03:13:40 PM

Now that the show season is starting to wind down, I've started working on my T/A convertible project. I've been collecting parts all summer.

Today I started the teardown of the 340 I picked up for it. Very clean inside. Looks to have been bored .040 already, but the cylinders are still really clean and you can still see the cross honing in them. Here are some pics.

anlauto · September 08, 2019, 03:23:14 PM

This will be a neat project to watch

xx88man · September 08, 2019, 05:03:38 PM

I'm looking forward to it!

Fern · September 09, 2019, 03:28:26 PM

I didn't realize they made T/A convertibles.
You learn something every day.

anlauto · September 09, 2019, 03:50:29 PM

Quote from: Fern on September 09, 2019, 03:28:26 PM
I didn't realize they made T/A convertibles.
You learn something every day.

Yea....they're pretty rare...but there is a few out there

erik70rt · September 11, 2019, 07:22:26 AM

Wasn't planning on painting it pink, but I kind of like it!

xx88man · September 12, 2019, 04:44:49 AM

Quote from: anlauto on September 09, 2019, 03:50:29 PM
Quote from: Fern on September 09, 2019, 03:28:26 PM
I didn't realize they made T/A convertibles.
You learn something every day.
Yea....they're pretty rare...but there is a few out there

Ok now we need an emoji guy with a fishing rod reeling in a big one!

erik70rt · September 12, 2019, 06:01:25 AM

Quote from: Fern on September 09, 2019, 03:28:26 PM
I didn't realize they made T/A convertibles.
You learn something every day.

Mopar never made them. Any that you see are custom built. Oh that Alan........

anlauto · September 12, 2019, 06:02:33 AM

Well he didn't ask "who" made them

js27 · September 12, 2019, 06:08:25 AM

Motor looks good. Looking forward to seeing the project progress. I think FM3 with black hood, interior, top and stripes look awesome.
Keep the pics coming
JS27

Fern · September 12, 2019, 01:48:36 PM

Quote from: anlauto on September 12, 2019, 06:02:33 AM
Well he didn't ask "who" made them

I did say they. I'll be more clear next time.

erik70rt · September 18, 2019, 12:47:25 PM

Looks like I earned the twit of the day award. I forgot that 340 standard bore is 4.04. So it turns out by block has not been bored at all.

ragtopdodge · September 18, 2019, 12:50:11 PM

Make it sneaky and put a stroker crank in it.

Ricomondo · September 18, 2019, 01:29:45 PM

You always seem to have interesting projects and I'm sure this one will be as well. Looking forward to seeing the progress.

YellowThumper · September 26, 2019, 01:17:38 PM

Yea it has always amused me that the 340 has a 4.040 bore and the 318 is so much smaller with only 3.910 bore. And then the larger 360 has a smaller 4.00 bore.
If you are replacing a 318 note the drivers side motor mount for 340s and 360s are different.

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