May 22, 09 · The 305 has a VERY small bore (like the original 5556 265s), whereas the 307 has the same bore as a 2 (3875) If you bore a over and drop in a 350 crank, you get about 338 cubic inchesSep 21, 18 · To start with, I am replacing the stock 305 TBI motor with a brand new GM crate 350 TBI motor To that end, research I completed said that I would need to swap out the injectors for 350 injectors, use an appropriate chip for a 350 on the ECM, and use a 350 knock sensorJan 04, 08 · The 305 has the same stroke as a 350 Aside from that I've read that 307's usually have more or faster bore wear due to the alloy in the block All things being equal the 305 probably makes power a bit lower due to it's longer stroke I know that people do put 400 cranks in them, with the mains cut down
How To Get 350 Horsepower Out Of A 305 Chevy Small Block
Chevy 305 vs 350 crankshaft
Chevy 305 vs 350 crankshaft-Dec 02, 07 · Joined Apr 17, 06 · 5,781 Posts Discussion Starter · #1 · Nov 30, 07 is there any difference between the two measurementwise?May 05, 03 · Parts will interchange between them all, cranks and heads and stuff A 305 has a the same stroke as a 350, but is lighter, do to smaller pistons You can use in a 350, but needs to be balanced A 327/350 are the same bore, but stroke is 1/4 difference, the cranks can be swapped, use the pistons for that crank
Apr 04, 05 · The 305 shares the same stroke as 350, but has a much smaller bore Because of the small bore, the 305 has a few limiting factors The valves are shrouded by the small bores, some will also argue that you cant use 2s in it either, cause they hit the cylinders I personally dont feel a 305 needs 2s anywayit is only 305 CI after allJul 09, 12 · The 305 has a 1/4" longer stroke than the 327, so it just might have more lowend torque The streetstock 327's I worked on back in the 1960's and 70's were notorious gasguzzlers, although they made very good dirt track race engines after some pretty radical modifications A lowmileage 305 will probably make a better street engine for you JerryMay 16, 09 · Using modern era HP ratings the 305 was rated at HP and the 350 was rated at HP Alot depends on how the motor was equipped such as carbed, injected, from CA, and so on If you have a specific 305 vs 350 let me know and I'll give you the HP numbers Just realized that the above HP ratings were printed from my GM truck book
Jul 30, 09 · The 350 is much more modable, and makes power more reliable There is much more aftermarket for the 350 Its probably a 305 tpi if its a 91 the Fuel injection system is a real bottleneck If i recall the throttle body is long arm, and so makes good torque, but doesnt make great hp as it doesnt do well at high rpmsJul 09, 15 · It was 1955 when Ed Cole's Chevrolet engineering group got together to build a more powerful engine for the new Corvette At the time, the Corvette's engine was a 165 horsepower six cylinder The replacement dreamed up and built by Ed Cole and his team, was an allnew small block V8 with 265 cubic inches that went from a drawing to production in just 15Apr 21, 09 · As for teh 305 vs 350, well my uncle had a couple 305s (one was a 95, one was a 96), and they both got bad gas mileage when compared to a 350, and of course had nowhere near the power as the 350 (even the Vortec 305s are rated with more HP then my TBI 350, but I have drove a Vortec 305 before and it doesn'teven compare to my TBI 350)
You can still put a 305 balancer on a 350 and use the same timing mark and set timing right?The 9092 350 TPI FBody engines (Camaro and Firebird) used the ECM, and so did the 9092 305 TPI engines The 1985 305 TPI engines used ECM, which is the same as the 1985 350 TPI ECM (350 was only available on the Corvette in 1985) The Corvette used the ECM on the 9091 350 TPI enginesThe Chevrolet 305 was the engine of choice for millions of fullsized GM cars and trucks that were too large for a V6 but didn't require a 350 just to cruise around town However, hotrodders from the dawn of time have made a religion out of modifying just such pedestrian offerings and turning them into hardcore racers
Jun 07, 01 · Charlotte, NC the 307 is a olds small block and it sucks plan on jerking it out if you want any power out of it yes it's a th0 they suck too, and the rear is a 7 5/8 84 ss, 350 tremec 5 speed, true dual 3" exhaust, 175hp NOS, 85 gn rear, B body brakes, 17" ROH wheels, 15" drop, frame off restored 01 pontiac T/A 6 speedJun 15, 06 · I have a 51 Chevy 2dr sedan that I just want to make into a mild custom and a reliable cruiserI can get a '72 307 for free or a '78 305 and 350 trans out of a '78 camaro for $250I,m wondering which would be best for my low budget projectI know free is hard to beat,but I'm aware the 307,s aren,t well thought ofBoth have similar mileage,80kI,m not one who just has to have a 350Sep 19, 16 · Chevy used two common sizes, which were either 5/8inch or the heavy duty 3/4inch Keep in mind that mixing and matching pulleys between short and long pumps can cause misalignment issues To be 100% sure before you order, the check is simple Just set your original pump on a flat surface with the pulley flange facing up, take a straight edge
Mar 13, 04 · RE 305 and 350 crank/rod interchan Its a good idea to use the crank in the 350 I've been told that the 305 crank is lighter, therefore you get your rpm's up faster,the boys on the dirt track swear by themCouldn't tell you about the rest though,but I wouldn't scrap all of it, ask your local engine machine shop about the rods to see if they can hold upalso you would want to useJul 12, 18 · I only wish I had info on the 305 crank vs a 350 in photographic form to show you, but suffice to say, larger holes/more of them means balancing more weight Since 305s use lighter pistons this should equate to a 350 crank unless the opposite is true There have been stories for years about 305 rods being smaller or thinner than 350 rods but IJul 22, 08 · Around town it's hard to say 305 vs 350 Just like V6's in full size trucks, they have to work a lot harder to pull around the same weight 305 wouldn't be so bad You could build a totally economy 305 with a really mild cam, QJ carb for the tiny primaries, etc and put tall gears in it like under 300
May 05, 07 · The 305 heads are different from the 350 heads If you use the 305 heads, they have a smaller combustion chambers and will increase the compression ratio As far as the computer, the 305 and 350 are interchangable, if you would like to reprogram the computer wait 4 me performance can make changes for n ot too much moneyNov 27, 10 · Now let's take that 305ci engine and multiply 305 x 11 = 3355 Ibft of max torque We're down roughly 50 Ibftand that's just at torque peak So a 305 up against a 350 (even at the same horsepower) will always lose to the larger engine because the 350 will make more torque I completely agree that a 305 can be built to make 450 hpSep 28, 04 · 2,525 Posts #7 · Sep 27, 04 I built a 350 years ago with a 305 crank With aftermarket 030 350 pistons It ran well and made good power but did have a slight vibration at about 2500 rpms, the vibration went away at all other engine speeds and I shifted it at 6500 Lost a rod in that engine that might have been related to the imbalance
Dec 17, 18 · April 15, 21 Daily Driver Engine Duel ~ Chevy 350 vs Dodge 360 Technical Info April 12, 21 Big Block 440 Powered 1968 Road Runner ~ First Start In 40 Years!Apr 16, 10 · This is the easiest way to tell them apart if you aren't able to look up casting numbers, etc This was one of the things we always looked at when checking out the other guy's car at the street races back in the day You definitely wanted to know if you were going up against a 305, 350, 3, or 400, and the balancer was the tell taleSep 29, 10 · 350 is same stroke as 305 but 305 bore is smaller 327 is same stroke as 307 but 307 bore is smaller 327 large journal (6869) and 350 block can interchange People in the past have bored the 307 block out to accept 327 pistons or even changed the crank and pistons to make a 350 Kind of risky to bore a 307 block out to a 4 inch bore though
Chevrolet 305 and 350 cubicinch engines are virtually identical, differing only in cylinder bore size To identify any Chevrolet smallblock V8 engine, the engine ID number must be matched to a listing of suffix codes, which identifies the details of the engine in question, including original application, horsepower, year of manufacture and technical specificationsOct 24, 05 · They get about the same mileage, but the 350 has more torque The carbed 305 doesn't have near the same perceived power, most people with carbed 305s wished they had a bigger motor Most carbed 305s were overworked forDec 05, 06 · That vortech v6 in the chevy trailblazer LTZ is impressive to say the least has the power of a 350 and drives like it never gets wore down We are approaching 100,000 miles on it and it hasnt slowed yethauls a load too Would be cool to score one of those and put em in a stovebolt
ID# acidslap , 0516 PM Hey guys, one question for ya I found a small block chevy motor with Vortec heads, and on the back of the motor where the bellhousing of the tranny is bolted on reads Now here is the deal, I got that Chevy Small Block Identification book outta Summit and no where is this number listedJun 04, 09 · You can make a 305 mimic a 350 You will have to put titanium sleeves in it though The real problem is a 350 is a 4 bolt main designed for punishment a 305 is a 2 bolt main you will rip the crank right out of the block if trying to punish it The titanium sleeves are really pricey then having to pay for the machine work also priceyMar 31, 06 · The harmonic balancer for the '84 305 ad 350 are the same part (same part number) The heads look EXACLY the same Most the 305 parts fit directly onto the 350 and/or have the same part number The main difference I noted were the starter and the flex plate was different different starter to fit the larger 168 tooth flex plate
Little quarter mile run back in the summerApr 01, 09 · Some 305 balancers has the timing mark at the 12 o'clock position whereas a 350 might have it at about 2 o'clock The problem with the 12 o'clock one is that you need the timing chain cover that went with it to be able to align it to the harmonic balancer OR put a timing tape on the harmonic balancer to align to the new timing tabBuilds and Examples April 11, 21 Daddy Crab's $5000 '29 Ford Rat
Nov 23, 10 · Sep 14, 04 Location Raleigh / Holly Springs, NC I had a bone stock dish piston 8 headed 350 with a 280H cam, 331 gear, 2k stall ( yrs ago) that ran 980's in the 8th mile I bolted on a set of 305 heads and ran 9 1/8 mile first pass It did feel like a new car as well I did do some porting myselfDec 10, 04 · Chevy 350 or 305?This was Chevrolet's second 43 Ldisplacement powerplant;
May 17, 08 · 305 to 350 TBI swap May 13, 08, 0739 PM I helped a guy form church put a 350 he bought into his 1990 chevy truck The thing runs, but has a idle and part throttle stumbles I runs fine at WOT but I am guessing it is lean We used all of the parts off the 305 on the 350Two other Chevrolet engines displaced 43 L the Vortec 4300 (a V6 based on the Chevrolet 350, with two cylinders removed), and a derivative of the GenerationII LT engines known as the L99 (using the 305's 3736inch bore, 594inch connecting rods, and a 3inch crankshaft stroke)Apr 17, 09 · The 350's low end grunt is always there Of'course the 305 is not a bad motor at all, I've seen them built up rather nicely As Bustercherry907 stated above, 350 heads might be ideal as they lower the compression enough for a bigger cam, which in turn will lengthen valve duration, packing more air and fuel in your cylinders
Nov 02, 09 · 8 Originally Posted by robot A first consideration is the mounting of the accessories such as the alternator, a/c compressor, steering pump, and AIR pump Most 327 engines do not have drilled heads that accept the brackets while most 350 engines do (and match the 305 drilled heads) Changing the brackets is more expensive than you might thinkNew Chevrolet Cars, Trucks, And SUVs Near Apex Hendrick Chevrolet Cary proudly serves drivers looking for a Raleigh and Apex Chevrolet dealer they can rely on for all of their automotive needs Our location at 100 Auto Mall Drive, just off the 64, makes us easy to find and hard to ignore When looking for Chevrolet dealers in NC to do businessDepends on what it is used for There is no replacement for displacement On this alone, Chevy 350 > Ford 302 On cost considerations for engine swaps, Chevy 350 > Ford 302 You simply get more bang for your buck Under certain circumstances, I a
Nov 22, 16 · What the the difference between a 305 and a 350 Chevy engines What the the difference between a 305 and a 350 Chevy enginesDec 10, 15 · A 350 will do as good or better MPG in utomatic usually, because the extra load works the 305 too hard, causing a heavy foot on the gas just to go, which is fuel economy murder That said, a friends 77 full time 4 wheel drive pickup with 350Mar 02, 1999 · A 305 has 45 less cubic inches than a 350, so it requires conservative camshaft selection Westech selected Comp Cam's dualpattern XE262H10 Xtreme Energy hydraulic flattappet profile The choice
(cough, cough, brother is asking cough cough) he needs to know if his 305 balancer is the way different andMar 23, 17 · The 302 Ford combined a 40inch bore with a 30inch stroke This compares to a 3736inch bore and longer 348inch stroke for the 305 The 305 Chevy is often chastised for its small bore, butInspired by the popular Chevy 350, the 305 had a more narrow bore and was placed in many widebodied GM model cars The Chevrolet Camaro, Caprice, Malibu, El Camino and Monte Carlo implemented the 305 along with the Pontiac Firebird and Grand Prix, Buick Skylark and Regal, the Oldsmobile Cutlass and Custom Cruiser, and the Cadillac Brougham
Oct 29, 03 · A 350 has more torque than a 305 Hp ratings for 305's range from just over 100 horse to around 0 stock and 350's range from about stock THose are really rough estimates for bone stock mills You'd have to be more specific if you want more accurate numbersDec 06, 01 · The 305 vortec heads I am not sure about350 vortec heads are great but I am not sure what the difference between the 305's and 350's vortecs are '78 chevy truck355, 941, vortec heads, XE268, vortec rpm intake, 750 edelbrock, flowtech headers and terminatorsJul 31, 00 · Re Chevy 305 vs AMC 304 ?\'s Of the TurboHydramatics, Jeep never used the TH350, only the TH400 I disagree about the 50K rebuild mile remark on TH400's TH400's are noted to have longer tbo's, (time before overhaul), than both the TH350 and 700R4
0 件のコメント:
コメントを投稿