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That is correct by their specs for nos...if you plan on nos then use that formula...wont hurt nothing...

that'll work..

Shouldnt be a prob,good heads are the key....I have some worked over 906's for mine....rpm intake,comp solid 290...etc...

440+ points

.0174..I'd prob go .018.......2nd .021750..I'd go .022..just me,am sure theyre others will chime in...pm IQ52 and see what he thinks,you are file fitting plasma moly rings,right?

Stand down soldier this aint your chicken..lol....just trying to help him out...

So what did you determine your gaps were to be?

I know you are working on a 440 so what overbore you loking at? .030 over or ?

according to speed pro[trw] and others....top ring=.004 per inch of bore diameter for moderate perf engine...2nd ring=.005 per inch of bore diameter for mod perf engine...for drag racing and circle track is as follows....0045 top and .0055 for 2nd per inch of bore diameter....

If you dont want hi-pressure just have the spring changed,real simple and Rob[RustyRatRod] would prob set that up for you with the one he has for sale with drive,cant beat that deal and you will know you are getting the good stuff...

Found it,it was with a 'p' infront of number and it was an old direct connection 11 1/2-1 piston made by trw and is same as 2295 dome piston...thanks all

Yes thank you..but it still doesnt give specs such as comp dist,dome volume,weight etc...so we know it was a Mopar perf part from way back,we know they are domed and forged,wondering if these were the old trw2295 style that Mopar used under their own part Number,it's what it looks...

I have...I get nothing...seems like it may be a Mopar perf part but again I get nothing....tried different brands such as speed-pro-trw-and others but notta...

Does anyone know of a piston part # 3690835-.060 for a 440,they are forged? needing to know specs..kinda look like a 2295 or a 705p,have dome and valve reliefs...what brand?

Did it come with a fortune cookie?

Decent power is an understatement..I'd say thats downright kickass...hope you get to feeling better..I know what would make me feel better if I had them heads in my garage..lol..

No mods needed,run them as is...

absolutely

ASTRA....seems to be the food of choice since I see 6 boxes stacked in the background...inspiration,motovation....keep up the good work

Run 3" exhaust...it'll be fine..

Now thats bad ***..great looking dart with a menacing stance just begging for a bblk...this is a cool thread...they are all but gone around here...

I agree,clear up to his anus....

Looks damn good..interesting build...I like 440's,and the 4spd...

I have ran comp cams in a similar combo with the 1st being a specialty cam a solid..part #21-626-5 grind #300A8 562-265-300 LS 108..very good cam and next was a comp 306S 555-262-306-110 also a good cam...now I'm fixing to run a comp XS290S 540-558-252-260-290-298-110 but with much lower...

518 heads would've been adj rockers I believe and max wedge...these appear to be reg 516 common heads for bblk engines...so it's not a max wedge engine...

If it's already balanced you dont need the cast crank one[balancer] you must determine that 1st before you buy..along with convertor and or flexplate...

We have a for sale..for trade..and wanted forums that can get you what you want and save alot of time and money for the most part...focus on a plan and discard what you aint gonna use versus what you need to acheive your plan,lots of people here that will help and there are many parts that are...

All the above and chk out IQ52's posts on these 440 builds with low comp.....

The ports appear to me to be factory,chambers may be cleaned up a bit...

After going back and investigating those crappy heads you posted[lmao] They appear to be untouched non modified castings,very nice stuff and very desirable,and the rockers look like very little use,amazing...and they worked like no other,and worth a chunk or 2 of coinage...they should've made...