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I have the heat blocked off to the intake on my 440 with a 1/8 to 1/4 hole for the exhaust valve reversion I don't think it is letting much heat in. sometimes the car will just chirp the tires and not pull very hard and other times it will go sideways and push you back in the seat running the...

if you have a cylinder head that flows say 200 cfm at 500 lift and another head that flows 250 cfm at 500 lift how much would you gain in HP and TQ. not changing anything else, same Carb, intake, exhaust manifolds and same 500 lift cam say with 224-224 duration @.050. and keeping the rpms at max...

what would cause the tranny to shift at 4500 wot most of the time and won't downshift at a higher rpm but the weird part is every once and a while it would upshift at more of a normal 5200 rpms. tranny was rebuilt and the line pressure was turned up a little. kickdown is adjusted all the way.

someone has a set of ported heads he calls them stage 3 and the stage 4 he calls race heads. would the stage 3 hurt bottom end power. still has the 2.08 1.74 valves. only have 2.94 gears and 2200 stall converter.

anyone use or know of the fel-pro 2947 rear main seal. they claim it has a hair thicker lip and is made with better material.

will a shift kit raise the wot shift point to a higher rpm ?

had the old timer Charlie at PTC converters build me a 11" 19 spline. told him i want like 2200 rpm stall like the 383 11" factory converter with positive fin bend. came out perfect very happy. not sure about the longevity of it. 365.00 shipped.

found an 11" converter that says 878 and has thin bolt pads. would anyone know the stall ? was it high or low stall ?

how does the 383-440 HP factory camshaft perform and feel like. the one on 115 lsa. looks like they're still making them.

if you have a stock engine with decent flowing heads from the factory and then take the stock heads and mildly port them. then put them on the same stock engine will there be a HP gain and or will the peak TQ and HP move to a higher rpm.

not sure why the flow went bad after .300 lift. the stock intake valve was 1.87 new one 1.94. want to get another 10 cfm after .300 lift. with a stock intake valve on stock heads they make 190 cfm at .500 lift.

if you need a short shaft 727 can you use the long shaft tranny and put the short shaft on it ?

what is the difference between autolite 4275 and 75 plugs

is there any gain in cleaning up the bowl area in 915 heads with a nice valve job already. if so where is the gain if not revving much over 5000 rpms. thanks for your opinions.

what would be better and more power, non ethanol 90 with 30* total timing or ethanol 93 with 33* total. any more timing than 30 or 33 will cause pinging.

they say the ground strap darker burn should be closer to the bend. so is mine to cold of a plug because it's toward the tip ? 440 9.5 compression xr5 ngk plugs.

what a difference off idle and any thing under 15 mph with AVS2 800cfm compared to the old 750 carbs. sometimes i would get the off idle stumble and less power with the old carb.

if you have a tight quench pistons up high with a good combustion chamber like close chamber 915 heads would you need more fuel [jetting] or less to make power. am thinking it burns more efficient so it would need and handle more fuel ?

pretty sure it a rpm edelbrock 440, numbers on bottom 19409 and 4983. will cutting center down hurt bottom end ?

does anyone one have personally or first hand testing on a ch4b intake. I read all the magazine articles most were on well built engines. wondering on a mild build with stock heads turning about 5200 rpms. Thanks