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We generally speak like Low speed torque and driveability is synonyms with each other, I have myself but the more I think of it there seems to be a flaw with this line of thought. A lot of times when we see an upgrade that loses low speed torque the consensus seems driveability will suffer, but...

I bought the CVF V 70's + pulleys and brackets for my 380hp crate in a 68 Valiant, couldn't find the info on their site I'm guessing i need a 70's power steering hose ? And anyone know the belt sizes? i got the underdrive one.

Just curious what would you consider minimum acceptable torque in the 3500-4500 rpm range for a decent street machine ? What would you consider ideal torque in the 3500-4500 rpm range ? And is it possible to have too much torque ? I'm talking in the street not on a track.

The examples he give shows mid torque gains with going with a tighter lsa but was that really even in question ? But to me the gains aren't large enough to say it proves DV's formula, if anything it disproves it cause to me for the formula to be valid being a few degrees off of calculated lsa in...

I'm installing a holley sniper tank and efi, so I wondering anyone bought and used similar amazon hose kit and what was your experience ? Also want to install a regulator that will adjusts from carb to efi psi just incase I need to switch back and forth and anyone bought and used a similar...

Obviously velocity is important but I'm at the belief that the average person doesn't have to much say about it, especially in the Mopar world, we have relatively few choices of off the shelf parts to work with. Most the calculations below are based on cid and rpm, when building an engine...

What average target fps should you be shooting for and how much for different levels of builds like daily driver street to like pro stock? Is there kind of formula or guild or rule of thumb for target fps? So far mainly from Speier Racing Heads that he seem to target 310-350, he stated 350 fps...

This came up on my feed thought might be interesting to some.

The 273 Build That Doesn't Suck Forget The Little Engine That Could. This Is The Little Engine That Does! WARNING: Reading this article might cause you to giggle uncontrollably with excitement. It might lead to sleepless nights and neglected work-hours spent planning your own 273 build. It might...

Thoughts on this porters? Math on velocity, port size etc..

I figured the direction I want to go over the next 5+ years with my car 68 Valiant stock body & interior, I'm keeping it small block want to eventually go high to mid 11's want no roll bar or cage. Want decent streetability be able to go anywhere at anytime. Looking to make peak power around...

Cylinder Head Design - CHP How It Works "A larger valve diameter will almost always produce higher 0.100- to 0.200-inch flow figures, which can be counterproductive to making power. /// For race engines we use larger valves, but are able to reduce the 0.100- to 0.200-inch flow even further with...

W2

I find this guy Eric Weingartner of WeingartnerRacing videos on cylinder heads informative here's two of his latest Is More Flow Better Is The Smallest Intake Port That Flows The Most The Best Mopar heads Trick Flow SBM 190cc cnc Ported Head Review With Real Flow Numbers...

Surprisingly similar builds making 400-409 hp just where you want your hp to peak 5400-5600 rpm or 5900-6200 rpm. Geared right you would have a strong runner either way. 5.2l Magnum heads Mopar 318 Engine - Car Craft Magazine 5.9l 380hp create, Magnum heads 360 Crate Engine Buildup & Dyno -...

Just curious What would your 500 hp combo’s be for a 0.060” overbored 340 block so 4.10” with each one of these strokes 2.96”, 3.58” & 4” and what would your 600 hp combo be for a 4.375” bore 400/440 block with these strokes 3.38”, 3.75” & 4.25” ? shooting for pretty close to those hp goals...

Static and Dynamic Displacement Now these terms are my way of looking at engine displacements and borrowed the static and dynamic idea from CR. Static displacement is the measured displacement of your engine like 225 340 440 etc… Dynamic is what your engine can displace “Cfm” at rpm...

I keep hearing displacement makes power but don't see how so my question Is how? But let me clarify what I mean, I understand if you raise torque at any Rpm at that rpm hp will also raise. Torque is obviously heavily related to displacement If I was to say I'm gonna build a 440 without any...

Interesting test.

Show's why a midrange cams 210-220 are good choice for the street, and why a 350 Chev is a turd of an engine :) Engine Camshaft - Test, Comparison Review - Hot Rod Magazine

I want to show how these are interrelated, this ain't meant to be best way and is obviously theoretical, in the real world there's so many variables so here most everything is assumed to be same VE% and efficiency. First off need to define hp, most here seem to think torque and hp do two...

Richard finally playing with a magnum

Inspired by 318willrun 318 vs 340, Since there’s a ton of running 5.2l magnums, which would be a better platform 5.2l vs 360 LA stock long blocks no porting just usual hop ups cam intake headers etc… ??? no 5.9l Magnums

Here's youtube videos I cam across where guy's do stock ish 318 magnum stock longblock and cam with chinese airgap 650 and headers dyno 233 hp @ 4200 rpm at wheels then swap in something like the cam described below and made 255hp @ 5100 rpm at wheels and made hp at all the powerband rpm over...

Can you put 5.2 magnum rear main cap on 273/318/340 LA engine and use a 360 oil pan ? Figure if you can you’d have to align hone or bore.

I'm looking to port heads like Magnum head porting for the beginner and add a small shot of Nitrous 75-125 hp and upgrade to pistons to forged looking to gain cr how much could I go and still be on pump gas 93, 10:1? Cam is 288/292 on 108 lsa .501/.513 think the 0.050" 231/236 ish. Figure the...

Seems like a very knowledgeable guy Any opinions on his work? https://www.youtube.com/user/HeadPorting/videos