Long Block Vs Short Block????

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BluThnder99

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Aug 29, 2003

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St. Louis

Nov 7, 2004

#1

• Nov 7, 2004

• #1

I wanna Rebuild!!!

I'm thinking of over hauling my 4.6 2v when it hits 100,000 miles my questions are what is the difference between a long block and a short block and which one would be better for me. I want the car to be built to drive only a daily bases not only for the strip. I also want to be able to drive on short trips out of town every now and then. Also who makes a good built block to suit what I want. Like I said I want some power but I also what to be able to drive the car on a regular bases, my goal is to make about 400- 450 horsepower out of the car and I also what to keep the 2v and I don't want to do a power adder.

 

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bdcardinal

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Jun 10, 2003

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santa barbara, CA

Nov 7, 2004

#2

• Nov 7, 2004

• #2

a short block is a fully assembled lower end. block, crank, rods, pistons. a long block has heads and cams on it. you are gonna have to try really hard to get 400-450hp out of a NA 2v motor. i dont know if its possible even. just make sure that the internals are forged.

 

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BluThnder99

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#3

• Nov 7, 2004

• #3

Ok that makes sense, I guess that was a dumb question but thanks alot. Well i guess 400-450 isn't a must, how much power will one of the VT long blocks make me. Or do you think I would make more power by just buying and 03-04 Cobra which would be a better bang for my buck and make more power in the long run. I'd like to rebuild my 2v so I could have sleeper but what do you guys think.


2v N/A VT Long Block OR 03-04 Cobra

 

Nuar

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Apr 16, 2002

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NB, CT

Nov 7, 2004

#4

• Nov 7, 2004

• #4

BluThnder99 said:

Ok that makes sense, I guess that was a dumb question but thanks alot. Well i guess 400-450 isn't a must, how much power will one of the VT long blocks make me. Or do you think I would make more power by just buying and 03-04 Cobra which would be a better bang for my buck and make more power in the long run. I'd like to rebuild my 2v so I could have sleeper but what do you guys think.


2v N/A VT Long Block OR 03-04 Cobra

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Not a dumb question at all, i didnt know what the difference was for the longest time as well... Why are you so hesitant to put on a poweradder? If youre going to get a built block, you can slap a blower on without any worry
Either way, good luck with whatever choice you make

 

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BluThnder99

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Nov 8, 2004

#5

• Nov 8, 2004

• #5

I just don't want that much, I'm not trying to make a drag car just a fun car thats driveable thats all. If I was building it for the strip a power adder would be on the list but I just want something fun and fast enough to run with the new Vettes, not beat them just keep up.

 

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bdcardinal

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Jun 10, 2003

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#6

• Nov 8, 2004

• #6

if u wanna run with the new vettes you need a blower.

 

FallenPhoenix

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Nov 22, 2003

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Odessa Tx

Nov 8, 2004

#7

• Nov 8, 2004

• #7

BluThnder99 said:

I just don't want that much, I'm not trying to make a drag car just a fun car thats driveable thats all. If I was building it for the strip a power adder would be on the list but I just want something fun and fast enough to run with the new Vettes, not beat them just keep up.

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you can make 400hp driveable with a power adder easier than without. If you try to do it NA with huge cams, you're going to sacrifice road manners.

 

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bdcardinal

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Nov 8, 2004

#8

• Nov 8, 2004

• #8

ya, you can get a Kenne Bell on a forged shortblock with ported heads and you will be a happy person.

 

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BluThnder99

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Nov 8, 2004

#9

• Nov 8, 2004

• #9

I think Sean Hyland makes a Short Block with KB on it. I would rather be N/A but I guess your right about the cams, it won't be very streetable. Thanks guys.

 

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ChrisWeil

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Nov 8, 2004

#10

• Nov 8, 2004

• #10

Don't touch anything of SHM's. You'll be sorry.

Why not have VT build you a full DOHC 5.3L longblock N/A? You can make over 375rwhp with that without a lot of trouble, and it'll swap right into your current car (just get a 99 harness and plug it in at the firewall) with a new flywheel. Then you're set with an N/A car making over 400 horsepower without super huge cams or a blower.

I say buy a Mach 1 engine, crate or off ebay or junkyard or something, send it to VT, and have them build a killer N/A engine. If you don't want the blower, that's the way to go, IMO. The swap isn't difficult on '99+ cars at all, either.

 

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BluThnder99

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#11

• Nov 8, 2004

• #11

ChrisWeil said:

Don't touch anything of SHM's. You'll be sorry.

Why not have VT build you a full DOHC 5.3L longblock N/A? You can make over 375rwhp with that without a lot of trouble, and it'll swap right into your current car (just get a 99 harness and plug it in at the firewall) with a new flywheel. Then you're set with an N/A car making over 400 horsepower without super huge cams or a blower.

I say buy a Mach 1 engine, crate or off ebay or junkyard or something, send it to VT, and have them build a killer N/A engine. If you don't want the blower, that's the way to go, IMO. The swap isn't difficult on '99+ cars at all, either.

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How much would all that cost me? And I have the 4r70w auto tranny will it hold up?

 

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BluThnder99

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Nov 8, 2004

#12

• Nov 8, 2004

• #12

GT 'Street' $6895

Forged Manley or Diamond Pistons, Eagle or Manley Forged H Beam Connecting Rods, VT forged crankshaft, tri metal bearings, ARP main and ARP head studs, new iron block, high volume oil pump/pickup tube, rear seal plate, Stage 1 cnc heads with stainless steel valves, Comp Cams valve springs, and stock performance improved (PI) camshafts.

Alright what about this combo without a blower? How power do you think I would have? This is VT's street long block

 

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el_kid_1

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Oct 30, 2003

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Puerto Rico

Nov 8, 2004

#13

• Nov 8, 2004

• #13

BluThnder99 said:

...I just want something fun and fast enough to run with the new Vettes, not beat them just keep up.

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Why not beat them? It feels great when you beat the crap out of a vette...I can do it with my KB blown Roush!! it goes like this...

Kenne Bell Intercooled Supercharger......$ 4999.00
Supercharger installation....$ 400.00
Beat the crap out of a corvette (or a rice)....PRICELESS!!!

 

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johnnyvista

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Jan 15, 2004

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Nov 9, 2004

#14

• Nov 9, 2004

• #14

if you want to stay N/A and add a shortblock, cams, ported heads, etc - plan on 10-12k. and you're not going to get 400hp. just trust me on this one. if you're on a budget, get a KB and be done with it.

 

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Magius231

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Sep 12, 2002

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Rock Hill, SC

Nov 9, 2004

#15

• Nov 9, 2004

• #15

you will spend way more trying to get power N/A on these cars than you would just getting a Kenne Bell or something. I think the current 4.6 2v RWHP record is something like 368, and theres a LOT of money in that car.

A shortblock is the basic block with internals (crank, rods, pistons, etc) A longblock is that + heads and typically cams on it. Get a shortblock and throw a 9psi KB on it...you'll be pushing about 400rwhp which is where you want to be anyway.

 

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jbritt1234

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Aug 14, 2003

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Knoxville, TN

Nov 9, 2004

#16

• Nov 9, 2004

• #16

BluThnder99 said:

I just don't want that much, I'm not trying to make a drag car just a fun car thats driveable thats all. If I was building it for the strip a power adder would be on the list but I just want something fun and fast enough to run with the new Vettes, not beat them just keep up.

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Mine's been supercharged for a year now and I still have not been to the track.

 

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BluThnder99

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Aug 29, 2003

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Nov 9, 2004

#17

• Nov 9, 2004

• #17

Alright well i'm not a budget really but i don't want to spend more than I have to. I was thinking would my stock PI heads and cams work on VT's Sportsman short block? That way I can save a little money for the blower.