Edelbrock Performer, LD4B, & SP2P-318 differance? - Moparts Forums

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Re: Edelbrock Performer, LD4B, & SP2P-318 differance? [Re: ragtop] #67127 06/05/08 05:21 PM 06/05/08 05:21 PM
Joined: Jan 2003 Posts: 25,200 Upper Midwest M MoparforLife Too Many Posts
MoparforLife Too Many Posts M Joined: Jan 2003 Posts: 25,200 Upper Midwest	I would put it right in with the Air gap. Another personal experience: I was in the process of ordering an Air-gap Intake from Ray Barton when he asked me what I was running now. I told him an LD340 and how it ran. He told me to leave well enough alone that any increase that I may or may not have would be minimal and not a cost efficient move. Not believing what I was hearing I in turn called Edelbrock Tech and the person I happened to get was familiar with the 'old school' LD series intakes. He told me the same thing. Hey, I am still running the old LD340. In fact I have one on the street 360 also. Clean it, if it's Dirty. Oil it, if it Squeaks. But: Don't fix it, if it Works!

Re: Edelbrock Performer, LD4B, & SP2P-318 differance? [Re: MoparforLife] #67128 06/05/08 05:39 PM 06/05/08 05:39 PM
Joined: May 2003 Posts: 15,487 Florida S scratchnfotraction I Live Here
scratchnfotraction I Live Here S Joined: May 2003 Posts: 15,487 Florida	with Knowsnothing the LD4B is a very good intake as well as the LD340 intake I am running a LD4B on my teen and was a big improvment over the performer the holley street dominator is another good intake for a mostly stock street 318 also its a low rise,single plane intake that works with a spredbore carb and a square bore I tried both and they worked great,but went back to the LD4B for better gas milage a stock intake with a q-jet is fair to midland performance and is also over looked a lot ditch the performer and the sp2p,IMO the LD gets my vote hands down

Re: Edelbrock Performer, LD4B, & SP2P-318 differance? [Re: MoparforLife] #67129 06/05/08 05:52 PM 06/05/08 05:52 PM
Joined: Jan 2003 Posts: 16,123 Grand Haven, MI patrick I Live Here
patrick I Live Here Joined: Jan 2003 Posts: 16,123 Grand Haven, MI	Quote: Looks good on paper but in the real world it has been proven again and again that they are little or no better than the cast intake in most cases. They work well as a cheap up grade to a 4 barrel for like we used to do on a lot of 318 trucks back in the 70's. Cheaper than the OEM manifolds and lighter. To each their own. on a stock long block 360 w/a comp XE262 Dulcich actually saw ~ 3HP less with a performer over a stock early 80's 360 spreadbore manifold, similar peak torque numbers, but the performer had about a 10 lb-ft advantage below 3000 RPM. 1976 Spinnaker White Plymouth Duster, /6 A833OD 1986 Silver/Twilight Blue Chrysler 5th Ave HotRod SOLD!* 2011 Toxic Orange Dodge Charger R/T 2017 Grand Cherokee Overland 2014 Jeep Cherokee Latitude (holy crap, my daughter is driving)

Re: Edelbrock Performer, LD4B, & SP2P-318 differance? [Re: patrick] #67130 06/05/08 08:39 PM 06/05/08 08:39 PM
Joined: Apr 2007 Posts: 1,261 ILL mark7171 pro stock
mark7171 pro stock Joined: Apr 2007 Posts: 1,261 ILL	if you did that test with a 8.5:1 318 with stock heads and a performer type cam, the results would be different. finishing the package off with a performer would make a difference. the torquer 2 and H dominator wouldnt even work properly. the RPM would be too much as well. if the LD is the best for the app ....fine. the single plane streetmaster 318 will always "master the teen streets". the Torque crystalizes between 1000-4500 rpms! Last edited by mark7171; 06/05/08 09:32 PM.

Re: Edelbrock Performer, LD4B, & SP2P-318 differance? [Re: UCUDANT] #67131 06/05/08 10:12 PM 06/05/08 10:12 PM
Joined: Jan 2003 Posts: 8,130 New Mexico UCUDANT Troll Hunter
UCUDANT Troll Hunter Joined: Jan 2003 Posts: 8,130 New Mexico	Quote: Quote: wrong...different plenum volume. different runners. you will see a gain over the stock manifold with a performer. the ld340 is a good intake. Wrong? Where did I say the plenums were the same? I said as compared to certain manifolds it was more like a stock unit. mark7171 Well at any point are you going to reply...or do you save that only for an unwarranted attack where you still think you are correct?

Re: Edelbrock Performer, LD4B, & SP2P-318 differance? [Re: UCUDANT] #67132 06/05/08 10:24 PM 06/05/08 10:24 PM
Joined: Apr 2005 Posts: 12,271 Overpriced Housing Central RobX4406 I Live Here
RobX4406 I Live Here Joined: Apr 2005 Posts: 12,271 Overpriced Housing Central	Quote: Quote: Quote: wrong...different plenum volume. different runners. you will see a gain over the stock manifold with a performer. the ld340 is a good intake. Wrong? Where did I say the plenums were the same? I said as compared to certain manifolds it was more like a stock unit. mark7171 Well at any point are you going to reply...or do you save that only for an unwarranted attack where you still think you are correct? Some things are constants around here... FUEL ECONOMY???

Re: Edelbrock Performer, LD4B, & SP2P-318 differance? [Re: UCUDANT] #67133 06/05/08 10:27 PM 06/05/08 10:27 PM
Joined: Apr 2007 Posts: 1,261 ILL mark7171 pro stock
mark7171 pro stock Joined: Apr 2007 Posts: 1,261 ILL	cut me a little slack, i dont understand your post? i think i kind of split off saying the performer was a good manifold, and then that wasnt what you thought...hmm. i hope i dont attack anybody. i enjoy the knowledge sharing here.

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