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Edit to last post peaked at 5600rpm with the carb

finished the dyno with 1000cfm carb 600hp over by 5500 rpm and 640 lb/ft peak holley sniper (rated to 800cfm) 589hp 630 lb/ft sniper with modified air filter 580 hp 627 lb/ft. Had to use a spacer to clear some of the sniper for the test so hence why it looks like its sitting up high . Torque...

How much spring did you have. I was just stuffing around with springs and i ended up at 220lb seat and 500 open

I will have to measure it . But its 3/8 of an inch higher than an Indy duel plane.

Here are some more pics of the intake work

Hi Boy do things change with me I started with a smooth out on the heads and ended up porting them, raising the roof .040" and opening the cross section oh so slightly. I ended up with the M1 intake that was welded up from a spread bore into a square bore flange and blended. I had the ports...

More info on the current build 4.125 stroke 4.360 bore auto tech forged 18cc dish piston custom order(icons were out of stock at time of my order) molnar crank bbc 2" big ends molnar 6.76" rods No clearance work at all. No clearancing required, closest point was at oil pick up .085 clearance 2"...

i left this open for a while without realising till i visited again. Well i did the dyno session last year on the latest super flow and i fell short a bees dick 699.5hp @6500 and 650 lb/ft. I am about to dyno my new engine now and i was looking to see if anyone built something similar to mine...

Also i have been reccomended to use the holley stealth system. Im sure the engine im going to use it on will go tad over 600hp but a holley dealer tells me it will work just fine. he tells me you can turn up the fuel pressure and it will compensate. But its limits are 650hp. What have you played...

I have been reccomended to use the holley stealth 550-440 . I was told you can tweak it by turning up fuel pressure if engine make 600 to

Hi IQ52 This engine has made 685@6400 with the 2D Now its got a better valve job and a single plane. When i dyno tuned it with the 2D i did not chase. I bed the rings in, checked valve clearances did 3 pulls and i was off the pump. Im pretty confident it will tip over 700 Thanks

Hi Thanks for your input. I build a few engines and dyno every say 12 weeks i am on a dyno, but im the only person around where i am that does Chrysler big blocks. I did a low deck 2 months agao with an rpm intake and heads,470 cubes and a 236/242 hyd roller that the lifters tapped out at...

Hi Guys I have just striped the 440 short to start machine work and have found the crank to be stuffed. Im going to put a 4.150" stroke Molnar with chev journal and molnar 6.76" rods. Would you still use the edelbrock rpm. Comp is going to be 10.2.1 with this combo with a little head shave using...

Hi Andy What are your thoughts on the 112 lsa , what would you have chosen for a mild build 100% street car.I have a 11 inch converter that went 3200rpm with a 493 and 3.5 ratio diff and 28" tyres. I wanted to keep it tuff and tame and i dont have hp goals with this build. I just didnt want a...

Thanks for the advice. One other question: I need to get a set of lifters. Crower hipos still the way to go for solid street rollers. Anybody have a part number to order from summit. Also i use rollmaster chain sets with iwis chain, if i were to buy something in the usa what do you guys use? Thanks

Gday Yeh its total street, under hood deal. Its stock stroke 440 Trickflow heads Im using a 236/242 comp solid roller on a 112 lobe sep.( had it under the bench) I would like to run a hyd roller but ive never seen one rpm beyond 5800 without it getting unstable in the lifter. And this combo will...

Hi Im building a 440 with the new trickflow heads and was not sure if the indy duel plane has benefits over the edelbrock rpm air gap in standard port window configuration. Has anybody done a back to back on an engine with good cylinder heads to see the true limits of each intake. Im thinking...

Did you girdle the block?

Perfect, thats all i want to do.

Is there not enough material to open up the sides?? have not seen the trickflows, i asked to be notified by email on the release of the 270cc heads. I have a short motor waiting for them ready to go on the latest superflow dyno. I will flow the heads and share all the info so hopefully i will be...

Gday The indy EZ has standard rocker configuration, maybe something on those lines Cheers

Hi iq52 I called trickflow. After reading on this forum that 240cc has heaps of material im thinking your going to say the 240cc can be opened up?? If i was miss informed i would not be surprised, the guy i spoke to was a salesman and put me on hold to find out about the answers to my questions...

Got some great news to share. Just found out that the 240cc trickflow head cant be opened to max wedge. However the soon to be released (july) 270cc trickflow can be opened up max wedge. Hope this helps somebody, as ive been looking for a head to replace my cnc indy ez that lasted less than 1500...

LOOKS GOOD. THAT SIMILAR TO THE INDY VALLEY PLATE?

Cheers Rumblefish I have been reading stuff on this forum for a few years now and wanted to poke my nose in and see if anybody else has had indy head issues. Looking at them there has to be more. Called indy and they said get a new head guy and that they had no clue. Thing is i understand and...

Hi there guys. Question to Andy F and other members with hands on. I have some indy ez/Modern 308cc heads on my 493. I built few years back. Great heads to make power, mine a mid 248/254 roller (comp) duel plane indy,950 pro systems, 2 inch hooker 685hp 6400rpm 660 lb/ft 4400rpm. I have been...