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depends on what your building.plain carbon is a little easier to weld,but will rust right away unless you coat/paint it.

ive built many exhaust systems and used quite a few different mufflers including building my own.configuration of the system will also have a great bearing on the sound.as stated before what sounds good for a trip around the block may be unbearable after an hour or so.that being said if you plan...

any of the smaller isky mega cams would work.like the old 270 mega cut on a 106 lsa. 270* 221 @ 50 .465 lift 106 or 108 lsa.it would have a nice chop to the idle and probably run decent as well.

im with the idea of running a smaller cam,if it is mostly a street car.id rather have something with better "manners" street diving,and give up a little max et/mph at the track.but thats me.that being said id look at the old isky 280 mega.

id run the stock replacement hi comp pistons and the crane 278hmv or 278 powermax hyd cam.this cam has great manners and a powerband like a table top.specs are as follows : 278/290 duration 467/494 lift 114 lsa. crane lists the "basic rpm range" for the older hmv version at 2200-5800.i have...

rob,if you give jerry at schneider racing cams the spec he can make one for you at a fair price,if he already dont have one sitting around to copy.but ive never seen one off the shelf lol.i had the 340 auto cam in a warmed up 318.it ran ok,but not as well as i would have liked.i ended up...

magnaflow with an 18" body.or dynomax ultraflow ss (not the welded) with an 18" body.jones/full boar make a magnaflow copy for about half the price.thay are well made and also come in an 18" body.

first in line

they are just another flowmaster knock off.if you like the flowmaster type sound,but dont want the drone or rasp id suggest heartthrob velocity mufflers.chambered sound,high flow rate and no drone.

well put.from where i stand ive got some first hand know how on this subject.being a fabricator by trade ive built a few different exhausts for my car.if nothing else i can tell you this...that on my setup (street driven 340 with tunnel ram) there was a big difference between a 2.5 true dual...

for a chambered muffler my vote would be heartthrobs HVS muffler.very similar sound to a flowmaster...but they actually flow and they dont drone or resonate.or the classic chambered powersticks.for a straight thru design i like the jones thunderbolt glass packs combined with an x pipe (loud) or...

good read,but not apples to apples test.the h pipe system has chambered mufflers and the same pipe size front to back.the x uses "stepped"piping with 3.5 mid pipes and straight tru mufflers .a more accurate test would have been done with the same brand mufflers and system piping size for both tests.

bigger carb like a 750 would help.and ill throw in my 2 cents....isky 284 mega 284* 236@50 .505 lift 106 or 108 lsa. or schneider cams 284 solid...284* 240@50 .510 lift .014 lash 110 lsa.

on my setup an x-pipe made a noticeable difference in both sound and low end torque.top end felt the same,X,H,or true dual.but the x-pipe produced the best low end.the exhaust note also got smoother and quieter.

summit brand turbo muffler,dynomax super turbo or ultraflow.

depends on the application...true dual(no crossover) 1.75" or 2" pipes with some long cherry bombs on a low comp chevy 350 gives the sound you describe.and i agree it belongs on a low rider.however dual 2.5" or 3" with an x-pipe with a set of dynomax bullets or jones thunderbolts on a mopar sb...

i dont think youll lose any power.there are some really nice gp mufflers out there if you know where to look.jones exhaust makes some with a great core design that flows well,summit sells them in a bunch of different configurations for a fair price.if your interested ive got a few different...

if you read my other post i described it.it was in a 3/4 ton chevy truck with a stock 350 and TH 350 auto trans.it had a slight chop when cold but was pretty stock sounding once it warmed up.the only power adders it had were headers and an and dual exhaust.i imagine it would have a slight lope...

well i had the single pattern 256* .425 cut on a 108 lsa in a 318 powered valiant it 18 mpg combined city/highway with about 15" of vac.the 256/262 cam was in a 3/4 ton chevy truck with a 350.it had stock vac and a very slight chop to the idle.if a stock/smooth idle and vac are a concern to you...

isky 256/62 super cam.best stump puller ive ever run. 256* / 262* .425/.435 lift 110 lsa.good vac and mileage as well as torque.

i would not trust any of the listed specs.ive had a 280/474 purple cam profiled in front of me and its a fair amount different than whats listed.id also be willing to bet that the duration @50 numbers are more like 210*/220* for the cam you have,rather than 228*/235*.the intake centerline is...

look into walker quiet flow.

pro flow v force.very similar to fm 40,but with a little more bite to the note.

dont do it.the summit tubing bends like crap unless you have a mandrel bender.its cheap for a reason.

what he said,and ill add: an isky 256 super cam,or the 256/262 dual pattern.both are rv/torque cams with mpg in mind.

i have one behind the 349/904 in my dart.it seems to be doing just fine.however i think if i had a 4 speed or some fatter tires it would go bye-bye with enough abuse.

well being a fabricator by trade,and having built multiple exhaust systems,id say 2.5 duals it a little overkill for a stock 273.considering the opening on the exhaust manifold is like 1 3/4"-1 7/8" it would be like hooking a fire hose to a residential hose bib.plus its heavier,harder to...

if its bone stock,and you plan on keeping it stock or close to it,id run dual 2" front to back.an x or h pipe will smooth up/quiet the exhaust note some and possibly add a little low end over true duals.as for mufflers.....any decent performance muffler will do its more about the sound you want.

tunnel rammed 340 dart gets 14mpg combined -and thats with a little punishment here and there,3.23 gears,904,2500 stall.if you drive it with a light foot it gets around 16mpg maybe better if you drive the speed limit on the highway.i had a 73 valiant with a warmed up 318/904 combo with 2.76...

id copy a commando single system.for the downpipes i would not go bigger than the outlet of the manifold.also it will be a mandril system with no loss of diameter so your fabricated ss 1.75 downpipes will flow better than the compression bent ones.