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66 cuda. Street car - 3430 with driver 1978 360 with 100k std bore Kb flatntop pistons Stock 1.88 intake valves in stock iron heads Mopar .474 lift hydraulic cam with matching springs Eddy street tunnel ram with (2) holley 390 vac sec carbs at the time Spitfire headers at the time with dumps...

http://board.moparts.org/ubbthreads/showflat.php?Cat=&Board=Racer&Number=7574985&Searchpage=1&Main=7574737&Words=+Eric&topic=&Search=true

what was your ring gap for the top ring? KB's are real specific in regards to that and will lead to the problem you had if not properly followed.

even if it pulls at idle - any backpressure will add up and kill things at the top end. when I dyno'd my 430 I ran them with 6" exhaust pipes into dual 55 gallon drum mufflers. It pulled vac at idle but it lost all vac at the top of the pull - from about 4 grand up and that was with those big...

I just looked at my instructions and they do state that.

NO offense man - but you never ever expect an engine to fall together without issues. Engineered problem? when you have several manufacturers going into a build like this you have to expect to check every thing several times. It did not fit good, hell it didnt even look good - that bottom...

they have a viton seal, so pitting would be from the leaks you were dealing with not defending cause i really dont care, but most manufacturers utilize the MLS design anymore. It just seems that you missed it in your mock up stage and it cost you.

depending on thickness - yes if it's a custom thickness, like I went with to get quench where I wanted it - then it's not the best option out there

just take the rivets out and it should address the issue.

Eddy is in fact working on another SBM head. I dont have specifics, so I wont comment on anything other then it is supposed to flow pretty good out of the box.

with - a street car - It was in an old mopar enthusiast magazine if they were still available online you could read up on it. The alt was 100 amp i think

i tested a stock setup vs a mezerie pump the electric setup was worth 1.5 et and 1.5 mph on an 11 sec car.

thats true - i didnt know it was that light!! is Vic anorexic as well? lol...

rod @ Bloomer Performance Engineering. he does 4" , 4.125" & 4.250 I am building a 4.125 " now and the price for his crank, his pistons, ( with pins and rings) with callies compstar rods was cheaper then some 4" kits.

i paid almost 600 for my dynamic 9.5" but its the best money i put in my car ( untill the fuel injection)

I dont know what you have done to that 727 but you better check the sprag and if you have a stock drum you really need to check it - if your broke it ( driveline shock will do it ) they become a grenade!

you can use the c body sized ones - any suspension supplier is well aware of the swap and has them in stock. I did them on my 66 cuda here... ( the 3rd page has a pic side by side )...

bring the timing light - you;d be surprised, but timing has alot to do with how your car leaves the line with a stick! we had to take some out of the challenger to get rid of a hesitation

you gotta get you behind down here again!

that should be a 12.90 car IMO but low 13's should not be a problem

Her is my dad from last year - stockish 383 4 speed - 3.23's YouTube- 20090427101507

do you have any type of torque strap? we had the motor mounts moving a little more with a sticky tire and it would hit the Z bar and release the clutch when it was at WOT - not good!

I believe thats topfueldart on here!

standard bore '79 360 stock heads ( 1979 small valve ) mopar 474 lift cam ( matching springs) eddy street ram intake 2 holley 390 vac sec carbs 904 dynamic 3800 9.5" converter 8.25 rear w/ 3.23's 24.5" tall slick 1.74 - 60' 12.56 - best ET 108 - Best Mph

thats like stuffing a sock in your pants.... lmao!!

that 3/8 line is your bottle neck - I have seen a stroker a body pick up .6 with a 1/2 inch fule line and a holley fuel pump. also the stroker will take as much plenum and carb you can throw at it. with that 3800 dynamic it will handle a bigger carb and you should not see any loss off the...

thats what i'm talking about!

anyone else??? mines in the 12's right now... but lets see what ya got!

lol.. mine to for now...

and what ya got? car and engine wise? thanks! Dave