305 = 454 swap

[trx88]

can anyone tell me what ive gotta do to put a 7.4 vortec in a 96 ecsb obs that came with a small block turd

 

[trx88]

http://stlouis.craigslist.org/pts/2138659332.html

i want this in my truck

 

[trx88]

****.. 7.4 will not bolt up to my 4l60e

its been said that the easiest and cheapest way to make more power, is with more inches

but im thinking i need a built 5.7, will there be computer conflicts does anyone know

it came with a 5.0, maybe i just get the ecm from the 5.7 donor truck

 

[BHBurban]

What about a GM HT383 swap?

http://www.crateenginedepot.com/HT383E-Performance-Crate-Engine-17800393-P1583C2.aspx

 

[Hogg]

The 7.4 will bolt right up to your 60e, the bellhousing pattern is the same, just like any other GM engine. You will need to use the flexplate that will fit your 60e's TC.

peace
Hog

 

[FastOrange]

The 7.4 will bolt right up to your 60e, the bellhousing pattern is the same, just like any other GM engine. You will need to use the flexplate that will fit your 60e's TC.

peace
Hog

Then watch it go BOOM!

 

[1990GMCSIERRA]

haha lol i vote for the 383
dont dump alot money into a motor if ur not gona build a trans and rear to match it

 

[trx88]

i got to thinking that that truck with the big block would have the 4l80e

as much as id love to have an 80e, im banking on the fact that 4.88 r&p in a 9.5 14sf will save my 60e..

 

[trx88]

so my 305 **** flexplate will bolt to a big block crank?

 

[FastOrange]

i got to thinking that that truck with the big block would have the 4l80e

as much as id love to have an 80e, im banking on the fact that 4.88 r&p in a 9.5 14sf will save my 60e..

you trans is connected directly to the BBC, it dont care about the gearing or rear, its going to grenade, There is a reason they never made a 454SS with a 700R4/4L60E.