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I tried one and it did roar it will turn faster than a standard one. I took it off. it will cool better at idle and low speeds but will block air flow at higher speeds and will cost horsepower. to run one they say you need a different pitch fan.

your mtd-2 cam specs are intake 204 duration and 421 lift. exhaust 214 duration and 443 lift on a 112 LSA. since nobody likes comp cams have David check out Ultradyne Bullet cams. intake and exhaust 214 duration and 480 lift put it on a 110 LSA. faster ramp built for the .904 lifter. I will...

that cam has less lift than a stock 383-440 HP cam. if I had to use that cam I would use 1.6 rocker arms.

I am running low 14's and 100 mph with 2.93 gears and a small comp 217-221 camshaft, iron heads with 1.6 exhaust valves, no headers and Edelbrock carb. running that fast mostly by doing what everyone is saying not to do.

really the more cam lift the better lift helps at all rpms it is the big duration that hurts bottom end.

yes 218-224 on 110 LSA. 462-477 lift. extreme energy series. great street cam.

i tried to read it could not. your cam i looked up 218-224 at .050

what valve spring 911 or 926 ?

i would not put in the 1.74 valve unless your going to do some port work. get the best valve job you can and the right valve springs it will run good with the right cam. am running the 1.6 valve with a 446 engine you will only have 388.

I am running 915 heads with the 1.60 exhaust valves pulls to 5200 rpms with no problem. and with a smaller 217-221 cam and 2.94 gears goes side ways off the line or even going 10 mph.

to run the alum heads you should have about 10.25 compression. if you have lower compression with that good size 230-236 cam and bigger port heads you will have no low end torque

I would not run the factory steel shim head gaskets with the alum heads on an iron block.

comp says 1.90 height.I bet the springs are 911 on the alum heads too. I am using the 911 springs and at 1.87 height they come in at 127 seat and 309 at .500 lift.

I didn't read your post right. i thought it said .010 deck height not that you cut .010 off the block. so where are the pistons in the hole or what is your pin height ? you need to know what your compression is going to be.

if the pistons don't have valve reliefs your going be about 9.65 compression about right for iron heads. for alum heads that is going to be on the low side.

what heads are going to use ?

Yes it has to be.

you don't want to hone the lifter bores just to hone them. too much clearance will cause low oil pressure at idle. the lifters should be checked to make sure they slide in before honing. they should have cleaned up the oil return slots a lot of rough metal that might break off.

my old one was all white this one looks a lot better with the black top.

since it is a 4-speed i would not change gears. if anything go with an inch taller tire. your standard 4-speed is running about 200 or so less rpms than an automatic because of torque converter slip.