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  #1  
Old 09-30-2004, 09:40 AM
AVENGER29 AVENGER29 is offline
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Default Aluminum Intake

Under the new sanctioning body rules, we will be allowed an aluminum intake, must be factory, no high rise. from discussion with tech director, he suggested that all factory high rise are illegal, but they are suggesting aluminum intakes from early 80's low rise.
Concern about performance potential, but more concern about reducing front weight, reducing 25/30 lbs of the front end of a limited mod especially since we are about 40 lbs heavier than chebies would be a great advantage.....not familiar with these intakes....any suggestions, what are the factory intakes, which one would you recommend????

Dodge29

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  #2  
Old 09-30-2004, 04:35 PM
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cageman cageman is offline
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Huh alum factory intake, I know of one but it looks like a keg.
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Old 09-30-2004, 05:22 PM
340duster1 340duster1 is offline
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I have not seen a factory aluminum intake other than a six pack. But you may be able to get away with an edelbrock LD340. They have a chysler part number cast into them (not a "P" part number, either). You might be able to slip this by the tech man.
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Old 09-30-2004, 06:25 PM
AVENGER29 AVENGER29 is offline
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Not likely to sneak anything past these guys, one of the new regional tech inspector is a Mopar guru, oouch...
is that a high rise, order from Mopar performance of Edelbrock???

Dodge29
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Old 09-30-2004, 06:30 PM
340duster1 340duster1 is offline
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It is so old it would have been direct connection or muscle hustle. The part number does not contain a "P", so it was actually not a MP or DC or muscle hustle part (technically)
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Old 09-30-2004, 07:25 PM
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Biggrin

A Weiand 8007 Action Plus is very close to the cast thermoquad intake, you might pass that by tech. Just plead with them that there is no stock aluminum intake and they might let you slide with it. Can you paint it and remove the Weaind name with acid ??
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Old 09-30-2004, 07:28 PM
AVENGER29 AVENGER29 is offline
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im sure will require a oem casting number, i found an LD340 from someone i know, will get info on it tomorow, 43 are you familiar with this intake, im not....????

Dodge29
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  #8  
Old 09-30-2004, 07:42 PM
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Biggrin

Yeah, it's ome of the best small block intakes of all times, or at least back then it was. It's still a real sought after piece if you can find one.
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Old 10-01-2004, 08:54 AM
AVENGER29 AVENGER29 is offline
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Found one, but worried about getting it past the tech guys.....
is it a high rise????

Dodge29
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  #10  
Old 10-01-2004, 10:30 AM
jelsr jelsr is offline
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Not a high rise, it's a virtual copy of the cast unit but has larger runners.
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  #11  
Old 10-01-2004, 11:48 AM
340duster1 340duster1 is offline
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Have to be careful with the term "High Rise" To a chevy guy even the cast iron mopar 4bbl intake looks "high" to them.
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  #12  
Old 10-02-2004, 09:25 AM
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Biggrin

LOL!!
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  #13  
Old 10-14-2004, 07:40 PM
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Default Ld340

The original LD340 intakes had a Chrysler P number stamped into them. The more common version of the LD340 came from Edelbrock and has a different number designation, like D340B. I have one of the latter intakes. I remember Wadell Wilson's book on building race engines and in the book it listed the LD340 with the P number on it. It had to have a stock casting number to be legal with NASCAR back in the 70's. I will have to look for the book and see if I can come up with the number.

I ran the D340B intake on my 340 mod with pretty good success. The old bible tells you to notch the intake center divider and some other minor changes to improve the performance of the intake. Mine does not have those changes to it. It is pretty much stock other than the port match.
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  #14  
Old 01-02-2007, 11:00 AM
7second demon 7second demon is offline
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anybody have a ld340 intake for sale I need one for a dirt sportsman car my # is 540 847 7530... also if you are allowed to run one in your class you may be able to do the mopar modifacation from the mopar book this little mod... helps flow and fuel distrabution
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  #15  
Old 01-05-2007, 09:33 AM
AVENGER29 AVENGER29 is offline
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have 3 or 4 of them, even if I wanted to sell one right now, I couldnt get them out of storage, still in the process of moving, if you can find an early one, they have a pendastar on them with a oem number, not a P number, will also have a ld340 number, on 2 of ours we grinded the ld340 off them and pass them off as cast intakes....got away with it for several years until we started winning more than our share of races and the track tech politely ask me to remove them ....

Dodge29
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  #16  
Old 01-08-2007, 01:47 AM
340king 340king is offline
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Thumbs up Ld340

I did a little looking into the Waddel Wilson book and found that what he listed was just plain old Edelbrock, LD340. What I did notice however, was that many of the parts listed for the NASCAR type of buildup had non P numbers. Apparantly, Mopar changed to the P number format in that timeframe. I think you could make the case that at that time, it was an option type of part from the factory. It has a true Chrysler part number on it, even without the P in front of it.
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  #17  
Old 01-15-2007, 01:56 PM
Wagonman Wagonman is offline
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Question What cars was ld-340 a factory option?

Was years and cars was the ld-340 aluminum intake a factory option? If I am gonna use this intake in a factory stock class, I will need some sort of documentaion. Is there a website that shows the production numbers?

thanks,
Wagonman
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  #18  
Old 01-15-2007, 06:39 PM
AVENGER29 AVENGER29 is offline
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LD340 never came on a vehicle, was a dealer option, but early model intakes have a pendastar and oem number which can be argued with any tech as long as they allow an aluminum intake, most rules will only allow cast.....when i get fully moved, will take several pictures and post them, i have 2 early pieces and 2 latter, the latter ones, do not have an oem number on them, only Ld340 and the Eldebrock logo half moon shape.....I found that my small blocks were more responsive and pull harder with the LD340 intakes versus the Torker or several agressive other aluminum high performance intakes I have. My suspicion is that if someone was to dyno a number of aluminum intakes they would probably discover that the LD340 was at the top or near the top of the bunch, my experience with them is that they pull harder than the torker and harder thru to about 6500/6600 rpms, when we ran in limited classes the Ld340 was downright awsome....

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  #19  
Old 01-15-2007, 06:45 PM
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furthermore, few if anyone knows anything about Mopar's, we have always used that to our benefit....

if your class allow stock aluminum intake, i would argue, here is the pendastar and the oem number, arguement over.....or maybe....lol

Dodge29
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  #20  
Old 01-15-2007, 07:08 PM
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I am in the market for a ld340 intake for my 340. I guess ill have to be Ebay hunting.
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  #21  
Old 01-16-2007, 06:43 PM
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I got an LD4B, has large ports and a Chrysler #, wonder how that compares to LD 340
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  #22  
Old 01-17-2007, 12:50 AM
340duster1 340duster1 is offline
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The LD4B is the small port version (273/318) of the LD340.
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  #23  
Old 01-18-2007, 11:21 AM
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Once again this is from memory but seems that I remember the parts manager of our local Chrysler dealer ordering a 1969 Dart GT 340. It came in with LD340 intake and steel tube headers. I will research this some more but we will argue that the Chrysler part number makes it a stock part. When the tech man asks "What motor is that ?" We always reply "What does it need to be " It didn't take but three weeks to convince him that Dodge's did come with a plastic carburetor. Old Motors manuel finally did it. Good Luck
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  #24  
Old 01-18-2007, 12:20 PM
340duster1 340duster1 is offline
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The LD340 was never factory installed on any car any time any where. If it was, NHRA would allow it in the Stock Eliminator classes. I am sure it would have been dealer installed many times. So depending on your rule interpretation skills, plus the fact that you can find them with a non- p part number, you might be able to get away with it. I have one with the regular part number. The design is very similar to the factory iron dual plane, just a little taller.
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  #25  
Old 01-19-2007, 03:14 AM
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I am pretty sure the LD340, wasnt even made in 69.
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  #26  
Old 01-22-2007, 01:59 PM
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The LD4B I have is definetly large port. It is about an 1 1/16" wide, 2 1/16 tall, thats actually a bigger port then my M1 single plane intake. My LD4B says LD4 in front of the carb, LD4B in back of the carb and says CHRY 283613, mounts a square bore carb
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  #27  
Old 01-22-2007, 02:27 PM
340duster1 340duster1 is offline
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Try this link, it shows all the edelbrock manifolds and their applications

http://victorylibrary.com/mopar/edel.htm
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  #28  
Old 01-23-2007, 12:19 PM
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Ok guys I did my research and found that the LD340 was made in 1969 but Cageman was not. Sorry Cageman , but you are still one of the most knowledgeable on this board. Avenger, "never" is a pretty strong word and can't be used when referring to MOPARS because if you had the money in the 60's and 70's Mopar would build it for you.
Really guys this is the greatest board on the web and is here for us to help each other and learn from. Here is where I got my information:





-----Original Message-----
From: Moparvann@aol.com [mailto:Moparvann@aol.com]
Sent: Friday, January 19, 2007 3:40 PM
To: edelbrock
Subject: Chrysler LD340 intake



I am in the process of writing an article for our club news letter "The Pistol Grip" and need some technical information from your archives. The LD340 intake was by far the best performance intake for the 340. My questions are:

1. The LD340 had a Chrysler part number, was it ever factory installed on any of the 340 cars, if so what years?

2. What years were the LD340 intake made?



This information will help complete my article so I am in hopes that you might be able to help me.



Thanks

Vann Collins

Moparvann@aol.com

Middle Georgia Mopar Club

Mopar Club - Middle Georgia



Reply:

1) Yes, it was used on factory Trans-Am cars during 1970

2) It was made from 1969-1981. Thanks.







Ray Garcia

Technical Department

Edelbrock Corporation



---When responding to our reply, please

include the original email---
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  #29  
Old 01-23-2007, 01:06 PM
340duster1 340duster1 is offline
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The intake was never factory installed. As I mentioned before if it was factory installed the NHRA stock eliminator guys would have used that intake without question.

The "factory" trans am cars used an edelbrock manifold but it was the six pak intake. This was not legal for for the trans am series in that year. The fact ory trans am cars were the AAR cuda and the challeger t/a for 1970.

From here on I am only speculating. They probably needed a single 4bbl intake with a factory part number to allow them to use it.
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Old 01-23-2007, 03:08 PM
AVENGER29 AVENGER29 is offline
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Biggrin

In the 60/70's you could get dealers to do almost anything, but I believe the LD340 was never from the factory installed on a vehicle,but Im also sure that it was most certainly installed by dealers before vehicle delivery.
I also believe that it could be argued with most track official at the circle track level and won the ability to use the piece in local racing. We lost the argument because the intake was aluminum not cast, if the rules had allowed an aluminum intakes they would have never won the arguement.......I'm sure there are much more knowledgeable people on this web site than I, however I dont concern myself with useless knowledge, I concern myself with info that affects our racing endeavours and I can only speculate or comment on what I know or believe.....lol

Dodge29
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