B18 block vs b20 6L displacement while the B18 is 1. The B16's pistons would not work in the B20 block, because of the larger bore. Also I'm pretty sure you need to get some work done on the block for routing oil lines for the vtec head anyway. what about with a b18 head? Power wise and bolt-on upgrades wise would I be better getting a k20? I think that would be This product requires minimal modifications to directly replace the standard block. However if you plan on blowin high amounts I'd suggest a re-sleeved b20. You take the bracket off and the stock alternator bolts right up. Have you got time on hand? If not, there’s no need to worry; all the relevant information that could help you make a decision is included in this table. 2-. Block Material: 6061 aircraft grade billet aluminium: Design improvements: 4 bolt mains, increased block deck and cylinder wall thickness. 8 L and is by far their most obvious difference. " No there is a . They won't last terribly long under boost however. Simply the BEST way to protect your High Horse Power block from cracking!!! The Cylinder Support System is a proven method of strengthening open deck engine You can use the B18 heads on the B20, but that's a bad idea. b20 head on b21 block raises compression to about 10. Join Us. The Dart block is offered in two versions that replace the B18 and B20 castings. All of the B20s are non-VTEC from the factory, so you'd have to swap a VTEC head onto the block in order to have 2 The b18 has a stronger cylinder wall than the b20b. With forged internals and sleeves, you can make a significant amount of power reliability with a B18. Sold concurrently with the D-series which were primarily SOHC engines designed for more economical applications, the B-series were a performance option featuring dual overhead cams along with the first application of Honda's VTEC system (available in some models), high-pres Always go for bigger bore instead of bigger stroke. 531'' long and a B18B(B20) crank is 3. Of course, it’s a Honda! Carter’s CRV has been driving on three cylinders for th. - Block material: 6061-T6 aircraft grade billet aluminum. Both B18 and B20 engines are likely familiar with American Honda audiences, but it's worth explaining what sets the motors apart from each other, aside from obvious differences like displacement B20 and B18 in stock forms, the B18 can outrun the B20 off the bat. Dive into the world Which one performs best, most power, most reliability, etc. You need to use longer connecting So I think for the most part, the majority of people are dealing with the P74/P75's heads and not the JDM PR8which we covered in detail in the "Put an end to b18 vs b20 head debate" thread that we had here in Dec. 4[/quote] so my question is how much how much hp gain or loss if any do i get from a b21 head on a b20 block compared to a stock b21 the sleeves on a stock b20 and a stock b18 are the same thickness. com Car Chat and a larger displacement block from a B18/B20 non vtec block. 2002 that I had mentioned. We chose a Dart B20-style block for the project. Endyn sets the power-per-displacement mark at 150 ponies per liter, sans boost. Dart offers these blocks in two versions that replace the factory Honda B18 and B20 castings. But if you invest in making your B20 faster, like changing and replacing all the parts with performance ones, it can beat the B18 for sure since it is the only Honda with The B-series are a family of inline four-cylinder DOHC automotive engines introduced by Honda in 1988. Automotive Forums . So the age long contest between B18C Vs B20vtec still exists. Our Community is 940,000 Strong. 504=1. The biggest issue is the rod bolts on the b20, they aren't strong enough to handle more than around 7-7500 rpm, being that the The B20 cannot take boost or any significant increase in torque. If you were gonna boost it i would go with the b18 so u wouldn't Exactly this. If you arent planning on boosting in the near future you will absolutely love the b20. You will need to rev up Check out this awesome Dart B-series engine block build. See more B18 and B20 are both highly sensitive; however, B20 has a little advantage over B18 due to its smoothness. Still can't rev high unless built. ) If you can get under the hood of somebody's 140 or 164 you can see it If you put a wideband in a b20 on a stock ls ecu you will find it lean at cold start and at high throttle position. in terms of better i mean horsepower and torque wise. Thanks in advance! 1991 240SX SE Coupe - RIP 1982 Mustang Cobra - RIP The distinction between them was the cylinder block deck height. Hey guys I'm about to swap the head on my b20. That is a very useful and easy way to get more You can use your B18 trans with the B20 motor. Great torque n vtec. BTW, since the engine is off the car, you could consider taking the B20 head off and milling 0. You can also use the B20 head on the B18, or so I have heard. that is the ONLY reason. if you are gonna build a frank I would go B20, I have a non vtec B20(11:1) in my hatch for a while and I loved it, now a vtec head is A stock block have a deck height of 211. its only like 200 dollars more than the LS. We decieded on using standard parts for durability/reliability. 4 liter difference. It b21 head on b20 block lowers compression to around 8. Will the 84mm bore on a B20 block pose problems if I were to use b-series pistons other than those meant for B20? I ask because all the other B-series engines use an 81mm bore and I was looking to use some B18 pistons in a B20 build. Coming from the B16 line is the B16B engine which is capable of B20 block with b18b head? the b18 head will bolt right on, since it is near identical to the b20 head. JeffBel New Member. B20VTEC- b18 head vs b16 head . it will still have a "leaner" spot around 4500 as the b20 I wouldnt bother sleeving a b16b/b18 block unless your aiming for more than 500bhp Using a standard B18 crank, so 87. 0, stock b21 compression is 9. late B20 alternators. (2 months ago!), in the "b20 head" thread in May 2003, and in the "B18 head on B20 block" thread in Oct. 2 stoke / B20 is 89. 531/3. (tm) Something had to be different between the two, because there was a half inch of gap between the block and the transmission and when we applied a little torque to thread the bolts further, the Early B18/B20 vs. THEDARKONE New Member. Dart Machinery is producing finer grade B18 and B20 blocks. Obviously starting with more power is the way to go. B18 is the best option for a b series. Specifications: - Honda B Series (suits all B series applications) - Actual weight: 79lbs. Yeah mate, it will be better and less of a headache just to get your B18 block sleeved. 5mm bore. [5] The Honda B16 has appeared in six different forms over the years. " is it just the same as having a b16 head on a b20 block. 020 off (or may be more) to raise its compression ratio to 10:1 (or even more). as well, the b20 uses a 1 Explore the key differences between a B18 and a B20 with our comprehensive guide. Features: Dart B18 Block: Has stock deck height and choice of standard 81. 504'' (89mm) So 5. Ductile Iron performance sleeves fitted: Studs included: ARP 8740 1/2” Head and 7/16” Main studs. In the world of Honda four-cylinders, even the smaller K Have the bottom end balanced and get an engine girdle like this one KMS Billet Engine Block Girdle B16, B18, B20 LS VTEC - eBay (item 350415562869 end time Nov-27-10 09:52:23 PST). adding an adjustable fuel pressure regulator you will probably need somewhere in the 55-60 psi range to get it to be not too lean at wide open. If you were gonna boost it i would go with the b18 so u wouldn't have to sleeve it. 8L. The b20b has 84 mm wall stock and thats pretty big. It really doesnt matter which is thicker since they will both be sleeved. I say b18 all the way. i think the p8r's are 84mm its supposed to be a rare and best flowing jdm non-vtec head most b20's use p75 heads i think this is just from what i've been reading lately well, from what i remember at least since my motor's blown, ive been pondering the thought of a b20z block making love to a p8r head with a b16 tranny on the side just for a daily driver, and OK so i have exsperiance with the b20b. 5mm bore, optional 84. The p72 head that came on the b18c1 (GSR) has less than With a square 86mm x 86mm bore and stroke, as delivered from Honda, the smallest variant of the K20 series still puts a . Dart B20 Block: Has extra-tall 8. Has anyone done these swaps (I know have done b16 w/ b20 block). Now I am wondering which head would be better for a N/A build with stock internals. 5mm bore or optional 84. 8L non-vtec models), which has been bored out to 2L of displacement from 1. Thats why i sold my b20. - Design The only thing that should hold you back in any way is that boosting a b20 isnt a good idea due to sleeve design (the only real difference between a b20 and a b18 is the sleeve design and the pistons/rings). Both are built to withstand the extreme cylinder pressures created by boosted applications or nitrous injection. B20 blocks are good for displacement, but from the factory they come with relatively thin cylinder walls/sleeves. Modifications required to fit: Remote Oil Filter required, external oil pump & water inlet pipe modification. Most reputable shops will not even reccomend sleeving a B20 as they can't reliability hold power even fully built. You can make way more power with a b20 vtec than with a b16. Both are built to withstand the extreme cylinder pressures created by turbochargers and nitrous oxide injection. You could use a B16 crank in the taller B18/B20 blocks, in fact this is the basis for the JDM B16B engine. B16 runs the 1. I think maybe a b18 non vtec vs a b20 is a good comparison. What makes the difference between the B and the Z: is the pistons included in the bottom end (which sets the compression, with JDM being higher than the USDM), the intake & exhaust manifolds flow ive been searching through past articles and stuff and was wondering which you guys think is better a b18 vtec conversion or a b20 vtec conversion. 6:1. Honda B16 and Honda B18 are two different machines on their respective turfs. The b18 has a stronger cylinder wall than the b20b. Now, i've Specify what version of the B18 you're talking about here. You definitely need b20 length rods but your pistons may be OK, depending on their pin height and their dome volume to see if you get a sensible CR. B20 block with b18 head. c/r is around 12,5 mate. Anyway, just read on i provided some more informational links toward the bottom. b16a/b vs b18b/c vs h22/23 vs b20 FAQ Let's get Technical! Car Forums . B20 more hp and more torque. Sent from my SAMSUNG-SGH-I727 using Tapatalk 2 . The one used for B16 and B17 engines (except for B16B) has a deck height of 203. 9 mm (8. 4 liter lead on all of the B-series line, save for the B20. Let’s have a look at some data stats between B18 and B20 representing torque, BHP, and RPM. The B20 block is exactly the same as the B18B block, but it is cast for bigger sleeves CRV B20 to B18 Head SwapBy Aaron GaghagenThe RD1 CRV is a versatile vehicle. 5mm , the B20+ block have a 226 mm deck height, so the B20+ block have 14. Lets have a good look at both these engines. 5 mm over the stock block! ESP (eagle rod) make a special rod to use with the B20(B18B) crank and the B20+ block! The rod is 5. With no boost the cylinder walls will be 100% fine on the b20 block. (newer engines) and it's 2L, 0. I originally had bought Gearsets fom Mfactory, all closer ratio + final drive. think of it at bigger is better. ? I have heard a lot about them recently, and I have done much seaching and have come up sorta short. I know that the LS's Redline is @ 6300 compared to the B20's 5,400rpm, so given that the valvetrain would be a little better and geared towards a We met with Dart Machinery after SEMA and learned a bit about their Honda B18 and B20 Race Series blocks. 3 in). This means they won't handle high if you are planning on boosting a ls/vtec or b20/vtec, i would suggest the b18 only bc of the thinner side walls on the b20. 0:1. With the b20 i've heard of alot of people cracking their stock sleave's. Learn about the B20 engine, compare B18 vs B20, and discover which is the best B series engine for your Honda. the rest of it the o2 should be able to compensate. Sent from my LG-E739 using Tapatalk 2 . I think i just found a new project!! • Dart B18 block has stock deck height, standard 81. 03 in) while the short block used for B16B, B18 and B20 engines has a deck height of 212 mm (8. (The bracket is mounted to GENERATOR mounting bolt holes. Integra friends are the best friends. stock b20 compression is 9. Takes a ½"-13UNC bolt and probably a bushing/washer about ½" thick between the block and the alternator. The B20 blocks don't have oil squirters which are kind of recommended if you want it to be revving like the b18. No need to swap in a new trans, unless your old one was bad. 2L more than the B18B. Registered VIP. If you bore/resleeve a b18 the cylinder walls will be thinner than those in a resleeved b20. I have a sleeved b18 block that I plan on dropping a b20 crank into next year. 578 The B20 power plant is a B18 block (out of an Integra LS or similar 1. 900 4 Piston Racing Short block assembly: Chamfer and debur all sharp edges and oil galleys, chamfer bearing housings and bottom of cylinder bore High pressure thorough cleaning of oil galleys in block and crankshaft Mic pistons and verify straight bore with precision Sunnen bore gauge, set piston to wall clearance for you Theres a lot of info online about this, some searching will serve you better than what turns up on here. The only real differences b/w the b20 and b18b head are the intake manifold and the cams. woedeii fdvmvpj lskr xhqvoa kkuakqt maivtms tnouq ptkev pztjn gzgcn