recommending an intake choice

[grumpyvette]

now Ill freely admit that Ive only tested ALL three differant intakes on three individualy engine combos , but Ive tested at least 6 more engine combos with just two of them and theres a strong trend, thats obvious.

and Id point out these intakes are to be used only on nearly full racing combos, not the street, as a general rule since they are designed to operate in the 3000rpm-8000rpm band

now I generally use these on 383-421 displacement SBC engines and a 200 hp nitrous plate,on engines with all forged components and about a 10.5:1 cpr with 195cc-210cc port cylinder heads and a SOLID LIFTER ROLLER OR FLAT TAPPET cam in the 245-250 intake durration range

 

(1)

EDL-2925 $209.95

 

 

Ive used these alot till now, they REQUIRE extensive clean-up work but produce good power

 

(2)

HLY-300-110 $228.95

 

these have proved to be exceptional, MY NEW FAVORITE, in every case they produced the best power if only by a few hp, but at times very noticable improvement and require only minor clean up work, could be used out of the box

 

(3)

http://www.professional-products.com/manifoldsProductSBchevy.php

Polished 52030 Satin 52031

HURRICANE for 23° Heads

1957-’95 Small Block Chevy V8

 

surprisingly good results, once the intakes cleaned up, BUT REQUIRE EXTENSIVE clean-up work to get everything working correctly

[jakeshoe]

Other than the fact these were used on a N2O motor I would think they are all a mismatch for a 383+ cube motor with a cam in the 240'ish duration range.

250* @.050 in a 400 cube motor is a street/strip cam and would peak before 6500 rpm, not in the 7000-8000 rpm range. This range would be better served with a Edel RPM style, Stealth, or Holley 300-36 dual plane.

 

I'm curious about your experiences with the Hurricane, as several of my machinists and/or racer friends who have dyno'd these back to back had better results than the Edel Victor series (even mildly ported). Very similar experiences with the Air Gap knockoff style. Mostly contributed to probable larger runner sizes and better port shape at the flange.

 

What were the exact motor specs and back to back results. Can you scan the dyno sheets?

 

Jake

[grumpyvette]

first let me point out that Im sorry for the confusion here,

(the intakes are generally LISTED/ADVERTISED AS good for the 3000rpm-8000rpm band) my engine combos USEING them generally run in the 3500rpm-6500rpm range)

I don,t have a scanner but Ill see If I can get the info posted

as to the "Edel RPM style, Stealth, or Holley 300-36 dual plane."

, your correct, if these were N/A engine combos, but the combos were DESIGNED to use a 200-250hp shot of NITROUS, not run N/A, and have consistantly shown better results with those single plane intakes

[jakeshoe]

Any luck on the dyno results?