Proyecto samurai v6 3.8cc

[Kruger]

Empezado por matto4x4

El motor venia en un malibu classic año 1980.
es un v6 de 3800cc ahora me dijeron que era un 262... pero alli toy en la
duda ???

entonces 262 no es..... el 80 no existia todavia....

[Kruger]

Empezado por matto4x4

los hp exactos de este motor??? 175??

no creo, 130, 140 cuando mucho, bien trabajado puede llegar a los 175, lease multiples, filtros, carburador sin sistema de control de emisiones, etc....

.............I chose to swap in a V6. Even the smallest domestic V6, in stock form, has more useable low rpm torque and horsepower than most "built" 4cyl. engines. While a 22R can be modified to produce an impressive amount of horsepower, it is generally well out of the useable, low rpm range for my use. Another factor to consider is long-term reliability. Whenever an engine is highly modified, you've potentially compromised reliability in the name of performance. A V6 can simply make more power in stock form and remain very reliable.

I chose the Buick V6 because it is a very common engine, which is evidenced by the price that I paid for the two rebuildable cores that I bought. The 3.8L Buick V6 is a smaller engine, physically, compared to the 4.3L GM V6, but only sacrificing 31 cubic engines. The 4.3L has 262 ci. compared to the 3.8L at 231 ci. The physical difference between these two engines allow the Buick V6 to fit into the small, Toyota engine compartment a little easier than the 4.3L V6, with only a small sacrifice in power over a compartively built 4.3L V6. The Buick V6 also has the distributor in the front of the engine which avoids one problem associated with a 4.3L swap due to it having its distributor in the rear of the engine which can cause firewall clearance problems.

Many will also tell you of vibration problems associated with the Buick V6. Most all of this vibration is due to the engine being externally balanced like the GM Small Block 400. Having the engine balanced at a skilled machine shop should cure most all of these vibrations and consequently cause the engine to last much longer.

According to a computer simulated dyno program that I have, the engine that I have built puts out 270 ft. lbs of torque @ 2000 rpm and 175 hp. @ 3500 rpm. From these numbers you can tell that I haven't built a racing engine but a torque motor. Had I chosen a different cam I could have had much higher horsepower numbers but that isn't what a rock crawling motor needs. In fact, the cam that I selected is the smallest cam that I could find. Because of it's design and rpm characteristics at highway speeds, it will be well within its torque power range and consequently give excellent fuel mileage.

For those who want to build a real 3.8L torque monster engine, stroker cranks are available from a company called Speed-O-Motive. They have cranks that have almost (0.25") 1/4" more stroke than the factory crank which would produce alot more torque.

[matto4x4]

esta afuera el sistema de recuperacion de gases y el compresor del a/c.
lo deje solo con la bomba de hidraulica.

saludos

[matto4x4]

gracias por los comentarios y los aportess

saludoss..

[RAUL VEGA]

Empezado por Kruger

no creo, 130, 140 cuando mucho, bien trabajado puede llegar a los 175, lease multiples, filtros, carburador sin sistema de control de emisiones, etc....

.............I chose to swap in a V6. Even the smallest domestic V6, in stock form, has more useable low rpm torque and horsepower than most "built" 4cyl. engines. While a 22R can be modified to produce an impressive amount of horsepower, it is generally well out of the useable, low rpm range for my use. Another factor to consider is long-term reliability. Whenever an engine is highly modified, you've potentially compromised reliability in the name of performance. A V6 can simply make more power in stock form and remain very reliable.

I chose the Buick V6 because it is a very common engine, which is evidenced by the price that I paid for the two rebuildable cores that I bought. The 3.8L Buick V6 is a smaller engine, physically, compared to the 4.3L GM V6, but only sacrificing 31 cubic engines. The 4.3L has 262 ci. compared to the 3.8L at 231 ci. The physical difference between these two engines allow the Buick V6 to fit into the small, Toyota engine compartment a little easier than the 4.3L V6, with only a small sacrifice in power over a compartively built 4.3L V6. The Buick V6 also has the distributor in the front of the engine which avoids one problem associated with a 4.3L swap due to it having its distributor in the rear of the engine which can cause firewall clearance problems.

Many will also tell you of vibration problems associated with the Buick V6. Most all of this vibration is due to the engine being externally balanced like the GM Small Block 400. Having the engine balanced at a skilled machine shop should cure most all of these vibrations and consequently cause the engine to last much longer.

According to a computer simulated dyno program that I have, the engine that I have built puts out 270 ft. lbs of torque @ 2000 rpm and 175 hp. @ 3500 rpm. From these numbers you can tell that I haven't built a racing engine but a torque motor. Had I chosen a different cam I could have had much higher horsepower numbers but that isn't what a rock crawling motor needs. In fact, the cam that I selected is the smallest cam that I could find. Because of it's design and rpm characteristics at highway speeds, it will be well within its torque power range and consequently give excellent fuel mileage.

For those who want to build a real 3.8L torque monster engine, stroker cranks are available from a company called Speed-O-Motive. They have cranks that have almost (0.25") 1/4" more stroke than the factory crank which would produce alot more torque.

La vibración por el balenceo externo y el distinto orden de encendido, quizas esto mismo para ayudar en la vibración. Creo suena mortal ese motor.

Raúl

[Kruger]

Empezado por matto4x4

necesito transfer gm np 205 .....

o alguna compatible para dif dana .

La 205 es una exelente tranfer para manejar grandes potencias, es 2:1 en low y es muy pesada. por que no buscas algo de aluminio, como una 231 que ademas es mas reducida? o una 208

[matto4x4]

la 231 o la 208 quien la trae???

para buscarla que ando en eso, o si alguien tiene una $$$

[matto4x4]

en busqueda de la transferrrr????



gracias por aportes..

luego mas fotos, saludoss.

[matto4x4]

Encontre campana para embrague hidraulico asi que

se estara montando mañana junto con la direccion hidraulica por fuera.
de camion chevrolet.

saludoss

[matto4x4]

cual es la numeracion de caja transfer blazer mecanica???

saludos..