Re: Best Intake for a Street 383
[Re: JohnRR]
#44272
08/28/07 10:29 AM
08/28/07 10:29 AM
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Joined: Jan 2003
Posts: 16,376
dogdays
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Freiberger, thanks for turning Car Craft around, you have a knack for the average hot rodder's way of thinking. don't lose that quest for real info as you move up the ladder.
I think with the engine you built the RPM should be at the top of the heap, along with the 6-pack. Possibly the newest Weiand Stealth if that's what you had.
My "long-term stroker" 451 gets a Torker 383 because it was $50 and almost new.
I am interested in the dual-port as I have one collecting dust. How about a dyno test at half-throttle with BSFC numbers for the D-P, Performer and RPM. R.
Last edited by dogdays; 08/28/07 10:35 AM.
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Re: Best Intake for a Street 383
[Re: dogdays]
#44275
08/28/07 11:58 AM
08/28/07 11:58 AM
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Joined: Jan 2003
Posts: 152 Virginia
meep69
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Torker 383 here too, cuz it was FREE! Wondering what the numbers were tho. Cuz my 383 moder is very similar with less compression / cam.
Backyard-restored 69 RR.
Yellow.
383 4 spd.
3.23 8 3/4 I need 3.91's!!!!):
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Re: Best Intake for a Street 383
[Re: meep69]
#44276
08/28/07 12:11 PM
08/28/07 12:11 PM
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Joined: Jan 2003
Posts: 75,094 A Banana Republic near you.
JohnRR
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Quote:
Torker 383 here too, cuz it was FREE!
Wondering what the numbers were tho. Cuz my 383 moder is very similar with less compression / cam.
and i bet its pretty doggy down low , my friend just swapped off a torker off his stock 383 in his RR for an old weiand dual plane and it drives alot better now ....
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Re: Best Intake for a Street 383
[Re: InViolent]
#44278
08/28/07 12:23 PM
08/28/07 12:23 PM
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Joined: Feb 2003
Posts: 12,675 Columbia, CT
moper
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The last one similar to that I ran the Torker. I think the carb is a bit large INO for that setup tho. I think the dual quad intakes would help that, and I'll put the overall average TQ and Hp on the 6bbl, then the RPM, then the Torker. I dont believe the SD B version is as good as the RB, and the M1 IMO is flat too large, especially with that carb, to make a good average when it's done by 6K. I'm curious how the Weiand Ation Plus did. I've never run them. I always thought they looked too much like factory to work well. but I know a few others that like them. I never liked the TM series Edelbrocks. That last hook in the port by the bolts I never liked...lol. So, how many months do we have to wait to get results?
Well, art is art, isn't it? Still, on the other hand, water is water! And east is east and west is west and if you take cranberries and stew them like applesauce they taste much more like prunes than rhubarb does. Now, uh... Now you tell me what you know.
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Re: Best Intake for a Street 383
[Re: meep69]
#44280
08/28/07 01:02 PM
08/28/07 01:02 PM
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Anonymous
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Anonymous
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I'm looking at the cam they used and thinking in a 383 with that cam a single planes gonna make the top of the list. Where do you guys think the peak RPM/horsepowers gonna fall with that combo? Driveability and average #s might well be with the Perf. RPM, but I would think the M1 or Weiand single planes got an advantage peak wise over even the RPM. Don't know a thing about the Victor for 383, but if the one I ran on my sb Chevy years back is an indicator, the Victor likes it way up rpm wise over most all those other intakes. Might be a bit much for that setup.
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Re: Best Intake for a Street 383
[Re: Freiburger]
#44281
08/28/07 01:07 PM
08/28/07 01:07 PM
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Joined: Dec 2005
Posts: 303 Portland, OR
Banzaiii67
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1st- Edelbrock Six Pack 2nd- Edelbrock Performer RPM 3rd- Holley Street Dominator Worst- Offy Dual-Port Or Edelbrock Performer What do I run? My 383 runs a Performer RPM EDIT: Haha I was right on the first two
Last edited by Scatpack71; 08/28/07 01:13 PM.
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Re: Best Intake for a Street 383
[Re: moper]
#44282
08/28/07 01:11 PM
08/28/07 01:11 PM
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Joined: Jan 2003
Posts: 584 Los Angeles, CA
Freiburger
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We have a winner: "I'll put the overall average TQ and Hp on the 6bbl, then the RPM, then the Torker."
Here's what our test showed. Each test is an average of two dyno pulls to remove anomolies. The numbers shown represent average power from 2,500 to 6,000 rpm. However, even averages do not tell the entire story. For example, the Torker and the RPM have the same average numbers, but they are not the same: the power curves cross at 3,900 rpm, with the Torker making more high-end and the RPM making more low end.
As for peak power, the Torker, Street Dominator, M1, and Victor were all at 455-456 hp at 5,900 rpm.
Nearly every manifold made 450-460 lb-ft at 3,800-4,100 rpm. Most of the dual-planes were way stronger than most of the single planes at rpm points below peak torque. Duh.
I think the tunnel ram would have done a lot better as a dual quad. I was surprised how well the Six Pack did, but I think that's because of this engine's low-rpm and low displacement. Six Packs have killed big power in other tests with other more radical engines.
That just proves that you really have to consider the test before you can make a judgement call, and you can't just look at one point of data and say "that's best" overall. It will also be interesting to see how this may change when we put better heads on the engine. If the 906 heads are currently the restriction, then other weak points in the intakes will be revealed with better heads.
More data in the December issue of HRM.
2500-6000 AVG INTAKE LB-FT HP Six Pack 428 348 Torker 427 348 Perf RPM 425 346 Victor 383 425 346 M1 single 424 345 1x4 tr 425 346 TM6 424 345 DP4B 424 344 Performer 422 341 Action Plus 421 341 Street Dom 421 344 Team G 409 334 Offy 360 406 338 Offy 2x4 408 330 Offy DP 404 327
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Re: Best Intake for a Street 383
[Re: Freiburger]
#44284
08/28/07 01:24 PM
08/28/07 01:24 PM
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Joined: Feb 2007
Posts: 908 North Chicagoland
newbee69
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thats good news for me. Im running very close to the same setup that you are and just switched from the RPM to the six pack. I look forward to your tests with the heads done because thats next on my list. Thanks for a good thread.
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Re: Best Intake for a Street 383
[Re: Banzaiii67]
#44285
08/28/07 01:32 PM
08/28/07 01:32 PM
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Anonymous
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Anonymous
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Quote:
Looks like weiand and offy need to spend some money and re-engineer their products!
..no kidding. I figured the Weiand Team G intake to be one of the better ones listed. BTW, like someone else said, great job.
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Re: Best Intake for a Street 383
[Re: InViolent]
#44289
08/28/07 01:36 PM
08/28/07 01:36 PM
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Joined: Jan 2003
Posts: 584 Los Angeles, CA
Freiburger
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Yep. For street/strip, the RPM is almost always a "can't go wrong" choice.
DF
Last edited by Freiburger; 08/28/07 01:37 PM.
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