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View Full Version : 4.3 or not 4.3 that is the question


oneslick720
01-14-2010, 02:16 AM
so i just picked up a 200 blazer with a 4.3 and auto
i also jus pucked up a super straight 68 521

question is should i put the 4.3 in the 521
or put the 4.3 in my 720 and put the z24 in the 521?????

i have been thinking this over and over but cant make up my mind

Irongrave
01-14-2010, 02:21 AM
4.3 in the 720 z24 with sidedrafts in 521

smiley720
01-14-2010, 02:29 AM
I completely agree, there is no question about it.

oneslick720
01-14-2010, 02:38 AM
i think that is going to be the way to go im just gonna slam the 521 and drive the piss out of it for now

should i keep the 4.3 fuel injected or carb it

Irongrave
01-14-2010, 02:48 AM
carb makes life easy

1sad521project
01-14-2010, 03:21 AM
throw the Z in the 521 with some sidedrafts, slam it then sell it to me!:thumb: make a profit off the 4.3......:ninja: maybe RB in the 720........

smiley720
01-14-2010, 02:45 PM
A buddy of mine in Houston got 700hp out of a 4.3l. So it'll do whatever you want. just watch out for cranckshaft breakage.

P.S. it was in a lime green izuzu

slam_dat_sun
01-14-2010, 02:57 PM
A buddy of mine in Houston got 700hp out of a 4.3l. So it'll do whatever you want. just watch out for cranckshaft breakage.

P.S. it was in a lime green izuzu
Yeah you can pull 700 to 800 hp out of them, I agree keep the 68 all Jap

97redhardbody
01-14-2010, 03:15 PM
I was looking at getting a 520 with a Buick V6, but the guy wanted to much.

slam_dat_sun
01-14-2010, 08:06 PM
I was looking at getting a 520 with a Buick V6, but the guy wanted to much.
Them little all aluminum Buick V6's will shag ass in light weight trucks.

97redhardbody
01-14-2010, 08:09 PM
i was just goin to take it out and b and bd it