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its a very easy misstake to miss it and realy anoying when its finaly figured out after troubleshoting the whole car:cry:

again.have you checked if you fully open the carb at full throtle? its probably the most comon reason for underperforming engines in the world. and fits the symptoms described. im with moper on this,dont replace anything until you know have checked all the basics.

are you getting fullthrotle? reason i ask is,that if you dont get to full throtle you will pull enough vacum at higher rpm to close the powervalve and motor runs like absolute crap at higher rpm.. this is something i learnt when a throtle cable stretched alot just before breaking..

not sure about that,nomather how exakt input i put in there i get some ridiculus numbers from camquest about the power my poor 340 is suposed to be capable of making...

thats what i do aswell

its kind of hard to find anything that says anything else than made in china nowaday it actualy makes me happy when it says made in usa and im not even american...

they have there places but they are kind of a waste to put in a abody with a plan to go fast since they take up just as much place as a 400 and are just as havy compared to a smallblock,dont even know if there is any strokerkits for them gues they may have a oddball small bore size but dont...

no problem running double pumpers on a tunnelram, thing is that a tunnelram will see a set of fourbarrelskind of like a I.R induction system but with a plenum to take most of the pulses out since 99% of all fourbarrels cant handle pulses very well most 4barrels are made for a constant flow,well...

i have a new moroso pump for a smallblock lying here in a box and i dont think it will give me more trouble than any other electric component in the car, from the "feel" of it, i would guestimate that its a good quality piece ant it says made in usa on the box. however i chose this pump for...

12.0s are not bad at all i think thats what i would count on that to run!

predators then B1 very capable heads... probably has more potential than 99.9% of all racers will ever use.. on a more normal level indy EZ heads or edelbrock victors wich come in diferent levels of powerpotential

dont know about that particular partnumber but the accelplugs i use on my smallblocks have been very forgiving in both my engines even my old oilburning 318 and the last months of my 340s life

thats a standard comando head, the largeport needs ofset intake rockers and play in a diferent leauge compared to the standard comando and the RHS heads the largeport head is/was more like a W series head, and i think they have been replaced now by a diferent head wich is called the...

very impressive sdce! pishta: dont worry about 340s above 6500rpm, mine has seen 7500rpms alot more times than i even care about remembering with the shortstroke and good parts and good machinework they will take it for a long time, maybe not at sdce´s powerlevel but as N/A they are fine

#1 there sounds like alot of fun but that would probably get on the edge of how much rpm can be used in a safe way without sacrificing valvetrainstability with a 59degre motor, some years ago i just once hit over 8000rpms with a solidrollercamed 340 (that i shifted at 7500rpm all the time for a...

i feel its alitle odd that noone makes these manifolds(i mean some that are real blower manifolds and not some reconstructed normal ones) as i realy feel there is a demand for them,maybe not a real big one but there is people looking for them even over here.. im going next week to a shop for...

from those options i would chose a stroker, that way the power is always there and you wont have to work on a second fuelsystem and filling bottles and kepping them at the right temperature and all that stuff.. me im building a blown smallblock instead just for the cool factor and it will...

waiting to hopefully learn some stuf :) good luck by the way :)

dont forget about tunnelrams they are truly awsome when setup properly on a motor that can take it with the right gearing and converter, i have run one and a friend of mine runs one and they are great! stroked340 you should realy try a tunnelram i bet you would never look back if you did and...

on a smallblock using some 2x9" aircleaners it actualy just about fits under a sixpack scoop on a 73duster ,it does rub alitle but but not bad so they dont need to be so tall ;) back to the first post, i would pass on the singel carb tunnelram they are not all that good compared to the ones...

yup probably the caps will fail first and then if cylinders are to thin they will crack, from what litle reserch i have done about bosted smallblock mopars for myself i have found that keeping out of detonation is the only way to keep it alive and in one piece and not as easy as it seems! cool...

driver side enginemount ears on block is spaced wider apart on 318.s 318mounts work on 340and 360 with just a nut as a spacer... hmm those mounts seems to miss the tube that the rubbermounts are pressed into

nice jobb bjr! keep us updated on the performance!:)

the indy ss tires are alitle better than a standard radialtire and i would think alot better than a lowprofile tire, i would try them if i had them however they are not going to hook like a diagonalslick not even close but they hook alitle better atleast, just dont overdo the burnout with them...

diference is that the ones made for the 340 are cut like stock type heads the 340heads work well with pistons that have a positive deckheight since the cutout is there to make clearance for the pistons reason for using a thick gasket with popup pistons is that if/when you build another...

that would work with a .060thick headgasket wouldnt try it with anything less.. i have the 340heads that are machined for pistons above the deck but looking back it feels alitle like painting myself into a corner

i think 904 and 727 transmisions for smallblocks fit perfectly may need a special flexplate but not sure.. i think its only TTI making headers for newstyle hemis in a bodys... hooker has for b and e bodys correct me if iam wrong

i have a comp solidroller one size bigger that the one you are looking at in a stock stroke 340 with some heavily ported eddyheads and it runs real hard, that cam you are looking at will smake some stupid torque in a 408!;) prepare for alot of tiresmoke!

Car 73 Duster Weight 3200 lbs Gear ratio 3.91:1 Tire diameter 26" RPM through trap not yet MPH through traps not yet ET not yet Engine CID 345cui Head Type edelbrock performer rpm 340 Valve size 2.02- 1.60 Head Work lots of porting Cam Manufacturer comp cams extreme energy...

i like more cam but i am young and stupd so i am not the guy to trust on that but i have also heard some bad stuff about the i beam rods, so i bought the H beams and they look like a quality piece! thats basicly the whole edelbrock performer rpm package, and i can say from experience form a...