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Has anyone flow tested the trickflow 190 heads yet to see if they stand up to the numbers trickflow posted?

Compare My Edelbrock 60779 RPM heads call for the Champion rc12yc plugs. I have been using the Autolite AR3924 plugs. At the moment my local store is out of the AR3924 and just have the 3924. Any concerns using the cheaper plugs. The conversion chart I saw says this particular Autolite crosses...

Curious about something. Seems most performance cams are ground on a 110* lobe separation, some even tighter. Generally they have a very lopey idle. Let’s say we have a cam ground on a 110* lsa, 240ish duration at .050 and .570 lift at the valve. Let’s say I have a cam ground with exactly the...

Engine combo. If I were to swap the Edelbrocks RPM for the Trickflow heads, what would be a guestimated power gain? Engine combo is: 340 ci 10.0:1 compression Comp cam advertised duration Intake 275 Exhaust 287 with .525" lift on both. Hydraulic Edelbrock Air Gap intake Would a cam swap be...

What are your thoughts on this 340. Would a mildly modified 340 put out this kind of power?

Back around 1990 my 340 had edelbrock intake, headers, crane cam with 278 duration and still had the factory forged pistons ( advertised 10.5:1 ). But had the thicker felpro blue head gaskets. I am certain because of that and other variables about the factory J heads, compression was most likely...

Engine specs first. 340 ci 10.2:1 compression Edelbrock Rpm heads ( box stock no porting) Edelbrock Air Gap intake Holley 650 DP 20-227-4 - Xtreme Hi-lift Hydraulic Flat Tappet Camshafts What kind of vacuum should I expect with this cam at idle? My vacuum gauge is showing 7 in. of vacuum at...

What would cause the engine to surge while driving, low speed and at highway speed? I can notice it better at highway speed because I am running at a steady speed.

Anyone here running a Comp Cam XE275HL camshaft in a small block?

Just want to make sure my thinking is correct. I have a thread on here about my engine but I am not going to chase my tail on this engine anymore. It is coming out of the car. I have just one question I need to ask. To get oil on top of the intake valve the rings would have to let a lot of oil...

I have an autolite 3924 plug and would like to cross reference to ngk. Can anyone help? When I cross reference I came up with about 20 different ngk plugs.

Very rough idle. To the point I can"t hardly catch the carb to adjust idle screws. Not from cam profile. Cam is not that big. Engine has roughly 80 miles on it and has ran like this from the start. 1. Good leakdown test. 2. Good compression test. 3. Both above test show me that valve adjustment...

I have a fresh 340 engine. The pistons ( all 8 ) have some oil on top of them. Spark plugs are the same. All eight cylinders are firing. There is oil at the ends of the intake runners where they meet the intake gaskets. There is also oil residue on top of all the intake valves. The block was...

Look at the pictured chart below and give me your thoughts.

My machinist took the plug out that was in the side of the block where the 90* oil filter adapter goes on the block. The plug has a square in it for a special tool to remove it. It isn't 1/4" or 3'8". I need to measure it, but I am guessing it is a 5/16" square. Where would I get something to...

I have a 67 Dart with roughly 400 horsepower. Would a stock pump support that power to 6000 rpm? This is a street car. Combo is 340 with roughly 400 hp, 4 speed with 3.55 gears. All the mechanical pumps I see on the Summit Racing site, I would need a regulator. Looks like it goes from a 25 gph...

What are your thoughts and opinions on these three balances. They seem to be the more popular brands to use and are not cheap. ATI super balancer Fluidampr TCI rattler

I asked this question once before, but here goes again. Last time it was different cams, but I have narrowed it down to these 2. The one thing I like about the comp cam is the power band peak is 6000 rpm vs. the Lunati 6400 rpm. Opinions appreciated. 99% street with an occasional run to clean it...

Not an exact number yet but compression on my 340 will be around 10.0:1 to 10.2:1 ( depending on head gasket choice, .039" vs .054" ). I am going to be running the edelbrock 63cc chamber heads. Will this be acceptable to run with pump gas. Any issues I need to look for?

I need a new set of connecting rods for my 340 build. Should I go H beam or I beam? Around 400hp and max RPM around 6500. Street car, weekend cruiser with an occasional blast to clean it out. Which type rods and what brand is recommended?

I need some opinions on what size cab to run on my combo. This is just a weekend cruiser with an occasional beating to clean it out. I want a double pumper, should I go 650 or 700 or 750 and why? 67 Dart 340 ci Edelbrock 60779 heads Edelbrock Air Gap intake Hughes engines roller rockers Lunati...

I am trying to decide between these 3 ( added one )cams and need some opinions as to which one to use and why? http://www.compcams.com/Company/CC/cam-specs/Details.aspx?csid=631&sb=2 http://www.lunatipower.com/Product.aspx?id=1545&gid=287...

I decided to restart this thread and just post a link to the old one. Read the old one first. Don't worry there are not very many posts in it. http://www.forabodiesonly.com/mopar/showthread.php?t=278323

What would be the difference going from a holley 670 street avenger carb to a 650 double pumper. Would a larger double pumper be better? Let me know what you think. This is a street car 99% of the time and not a daily driver. Combo: 340 Big valve J heads Roller rockers Eddie air gap...

My engine has had the rotating assembly balanced. It is a 340 with a steel crank ( internally balanced ). The balancer I bought is a decent one but I have considered using a something like an ATI balancer. Will swapping on another balancer change anything? Would going from a stock style balancer...

From what I have been reading, Pro Comp heads have a good casting but need a cleanup of the ports and some in the bowl area. I am thinking about buying a bare set of Pro Comps and would like to know what I need to do, cleanup wise, to make sure they perform the way they should. Then I will have...

The engine is a 340, fresh build. Engine has a bad miss at idle. Look at the pictures and fire away with questions or answers. Click on the pictures to see larger images and more pictures. Click on the pictures to see larger images and more pictures. The number chart is from the compression test.

Look at this picture and tell me what is going on. I find this very strange. See how rusty it is toward the bottom but is nice and shiny from midways on up. The pushrods on each corner look just like this.

Anyone know how to check the alignment of the intake manifold ports to the cylinder head ports

Why are thin metal ( TIN like ) gaskets in a small block gasket set? Has anyone ever used them?