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hello i have a 408 smallblock with probe flat top pistons, I currently have 596 cylinder heads with 72cc, and I got hold of 2 Edelbrock 63cc cylinder heads for a good price that I want to put on the engine, but now I wonder if I'm going to get to high compression with these Edelbrock cylinder...

hello i have two 974 360 heads with stainless steel valves 2,02 and 1,60. the heads have been ported and someone has milled down the mounts to the rocker arms on the heads, why does anyone do that? anyone have a solution to what I can use for rockers?? I think the guy I bought the heads...

okay thanks so much :)

okey but on Hughes Engines webb site they saying that they will work with the original heads ? from the webb site= No machine work, leave the heads on, raises cylinder pressure. Ground on true .904" cam lobes. This gives you max area under the curve. Has low lift to clear guides.

hi i have just changed the camshaft in my 318 engine to a Hughes Engines HMC1326AL-9+5 Whiplash Series. the heads are 318 (302) heads and the heads have been ported. I have also replaced all the valve springs and Retainers from a pair of trashed 360 heads (596). and i have a big problem with...

the engine and the van is from 1988 so it has been a tbi from the start, but I put on the carburetor because the tbi dident work. the intake is a edebrock performanc plus, and the carb is a carter 600cfm, the heads has been rebuilt with machined valves and new seals so they are totally...

hey have a 318 in my Dodge van that drink much gasoline, it's a carter 600 cfm on the engine, with 395 nozzles in the primary ports, and 385 at secondary ports. I have tried to put in 385 nozzles in the primary ports but then it spits and spark slams only and runs really bad. it's a new...

hey i have a question regarding 2 valves for my 318 from 1988. why is 2 exhaust valves worn on the tops? is the valve springs bad so they do not have time to close the valve in time?

I'm going to carburetor convert it instead, thanks for the help

hello I need help with my 318 tbi which is running mega rich it is in a dodge ram van, I know it is not a a-body, but thought you could help me anyway :) . it is a 1988 tbi engine, ignition works fine and all sensor seems to work, besides the Throttle Position Sensor When I pull out the wires...

but then it runs bad at full throttle.

Now it runs really good. I put in 60 jets, and power valves plugs. thank you very much for all the help :cheers:

the float levels are good. have not check plugs yet. are going to try to put in 60 nozzles and put in 3.5 power valevs

can it be somting whit the power vales ? i have 65 power-valevs in it now

the ignitionsystem is a new mopar performanc distributors, and msd 6al box, new 8 mm ignition cables and champion spark plug, ignition is set at 35 degrees. the fuelpump is a Carter Muscle Car Mechanical Fuel Pump M6866 120 gph earlier I had an Edelbrock RPM intake on the engine and a...

okey thanks. the engine dosent backfire thru the carbs,. the enigine runs really good in lower and middle rpm, but when you press the last little on the gas pedal it starts to run bad, maybe att 5000-6500 rpm its runs bad, it still runs bad if i try to slowly increasing rpm svenska= den...

hi i have a 408sb with tunnel ram, carburetor I use is 2 x 390 cfm, the engine runs fine on until you press full throttle then it begins to (Counterattack) I can not really describe how it sounds. it feels like it may be gets too little gasoline. carburettor is restored, and I currently have...

would rhs heads work well on my engine?

i have 3.55 in the axle, should i keep the camshaft I have in the engine? I'm not quite sure what stall the converten have,

hello I'm looking to replace the camshaft in my 408 and and do some work on the cylinder heads. This is in the engine probe 408 Flat Top -5.5cc - SRS Piston 10.5:1 scat 4" cast, crankshaft scat I connecting rods mopar purple cam P4120231 right now COMP Cams Pro Magnum rockers edelbrock rpm...

up

okay fuel I use is 93 octane, so i can run the engine with 11:1? or should I run it on ethanol? If I use Edelbrock rpm heads should I use the heads with the 65 Combustion chamber volume ? I've heard that I need to have at least 220 cfm flow on the heads to my 408 thanks for all the answers

okey I'd rather not replace the pistons in the engine is a bit low on money right now. can i get some J heads to flow enough? because I think I will get to high compression with RPM cylinder heads. 1fast340= jag ska kolla på nitroz tack så mycke :)

the pump gas i use is 98 octane the cam is a P4120230 but when you order it the number is P4120231 http://www.summitracing.com/parts/dcc-4120231ac/overview/make/plymouth (moper) so i maybe need to change the pistons? :( I have a pretty tight budget for the heads 2325 $ is the max i can...

hey i need some help choosing heads for my (360) 408 stroker. This is in the engine probe 408 Flat Top -5.5cc - SRS Piston scat 4" cast, crankshaft scat I connecting rods mopar purple cam P4120230 COMP Cams Pro Magnum rockers edelbrock rpm airgap intake holley 750 db and the heads i am...

Thanks so much for all the answers :) the gauge is an electric, and when the engine lost oil pressure, I hear it directly when rocker arms begin to rattle. I'm going to put on a larger oil pan on the engine and a windage, and buy a new oil pickup. :cheers:

hey have some problems whit new engine (it is a 360 stroked to 408) and that is that it loses oil pressure almost down to 0 under heavy acceleration,oil pressure is 58 psi normally, oil pan is a completely original 360 passenger car pan, oil pickup is about 0.78 inches from the pan bottom. I...

ok I just use rtv sealant on one side of the intake gasket:-k, That's probably the problem i hope :cheers: thank you :)

ok, but now that you mention it, the gasket look actually very wet I'll will check it out, you may well be right :) fanofpetty= It is not hardened valve seats in the heads,

ok, there are the two middle cylinders on the right side.