340 Intake Manifold Casting# 2531915 - Upgrade

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GTX JOHN said:
The majority of the 340 Stock Eliminator cars anymore are capable of running
well into the 10's with stock manifolds with either AVS or Thermoquads.
A few have been in high 9's running the production Carbs and stock compression
ratio and stock lift camshafts (.462/.473).
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Yeah, the fact that 340 stock eliminator cars run that fast is amazing !
 
Oldmanmopar said:
First picture,This would be a replacement for the factory intake. Exactly the same but aluminum. I have it bolted on a plastic mock up engine in the second picture because its light and is the same dimensions as a factory cast iron intake. It has all the same hose and sending unit outlets and even the choke tub.
The LD340 would be the same but it does not have the choke tub built in.

Second intake choice A Wieand is another good intake seen in the third picture on the engine painted orange.

An Air gap seen on the forth and fifth picture we had to cut the hood braces for the factory air cleaner. seen in the forth picture

Sixth picture is a holley strip dominator. This also needs hood trim for the factory air cleaner.

You can get away with the taller intake if you use a low profile aftermarket air filter base. That is what we use to make the air cleaner on the seventh and eighth pictures for the Indy intake which is the highest . And it still sealed tight against the hood after trimming the braces.

Last picture is another Air Gap on a 67 Barracuda. It fit under the hood using the 69 and earlier air cleaner but tight. The car has steel motor mounts. If they were rubber it would bounce off the hood

View attachment 1716054097
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Would you happen to have the part number for this intake?

Thanks,
Tom
 
PROSTOCKTOM said:
I really wanted to go with a Performer RPM, but he doesn't want to change his choke setup on the AVS he runs.

So I guess that leaves me looking for a Mopar aluminum dual plane. No good deed goes unpunished.

Tom
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Choke ? You don't need no stinking choke ? Slap the RPM on and wire the choke open, or just remove it !!!! Great intake, thank me later. :)
 
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Johnny Dart said:
Choke ? You don't need no stinking choke ? Slap the RPM on and wire the choke open, or just remove it !!!! Great intake, thank me later. :)
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I took choke off mine decades ago. One less thing to break and fiddle with. Even in the coldest weather once it idles for a few minutes, not even warmed, up its fine.
 
PROSTOCKTOM said:
Would you happen to have the part number for this intake?

Thanks,
Tom
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Tom,
Part #P4529116
Number cast into bottom of the intake is P4532059.
If you see someone selling it claiming the casting number is the PN, it's probably what you're looking for.
 
Thanks, Now that I know what to look for it's time to post a wanted ad for one of the earlier version intakes.


Tom
 
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340sFastback said:
I took choke off mine decades ago. One less thing to break and fiddle with. Even in the coldest weather once it idles for a few minutes, not even warmed, up its fine.
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I removed my choke linkage. Also epoxied aluminum rod in the shaft holes and blended.

5A923818-4FCB-4DFF-81F0-9A65C78E5FCD.jpeg


E2B37BD9-EF56-4B1A-BC10-9B224EFBE05F.jpeg
 
I am dragging this thread up from the grave only because I got the year wrong when I made the first post. John's car is a 1966 Signet, not a 1967.

Still trying to find him a Mopar M1 Dual Plane since he insist it have a choke well. He likes the choke on the AVS. (Cranky Old Guys)

Tom
 
PROSTOCKTOM said:
I am dragging this thread up from the grave only because I got the year wrong when I made the first post. John's car is a 1966 Signet, not a 1967.

Still trying to find him a Mopar M1 Dual Plane since he insist it have a choke well. He likes the choke on the AVS. (Cranky Old Guys)

Tom
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66 and 67 take the same intake. 66 had a 273 and so did the 67. Without looking back through 2 pages of posts, what engine is he running?
 
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