WebJan 4, 2024 · It's a pretty good intake for sure but the 300-25 still thumps most of them. I ran the ported 300-25 this year on my sbc 406 and was rewarded to 10.60's and 70' … WebFeb 26, 2008 · Tunnelram. I have tested on a good SB Chevy, and when you get the tunnelram right, it will be about 35 or 40 HP better than say a super victor. It is hard to get a single four barrel on a tunnelram to work right. This was on a 400 Chevy that made 822 with two 850 carbs, 804 with one Dominator, and 765 one dominator on a super victor.
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WebSep 24, 2024 · Tested on our mild 4.8L, there really was no comparison between the single and dual-plane intakes. Though both produced near-identical peak horsepower (376 hp vs 375 hp), and peak torque (339 vs 342 lb-ft), the difference in torque curves through the rest of the rpm range was massive. WebApr 13, 2009 · 1985 Cutlass Supreme Brougham (ex pizza delivery beater with 240,000 miles): 355 Chevy- 9.5:1 compression, Comp XE 262 cam, World S/R Torquer heads with … spring my wrist
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WebApr 2, 2024 · For the first test, we topped the Holley Hi-Ram intake manifold with a dual 4150 plenum. This plenum is compatible with carburetors or EFI throttle bodies, however the latter was used since this engine is fuel injected. Each throttle body (PN 112-577) flows 1000cfm, giving the engine a total of 2,000cfm of potential breathing room. WebMay 20, 2011 · When it comes to small-block Chevy single-plane intake manifolds, the accepted benchmark has to be the Edelbrock Victor Jr. This manifold has been around for nearly two decades and... WebOct 23, 2009 · 2.6K 537K views 13 years ago Edelbrock single plane (Victor Jr) vs dual plane (Air-Gap) intake manifolds on the same engine in a dyno test at Westech Performance. Plus a test of the... spring nail colors 2021 nail trends