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350 into 383 need help

 
allen52
I love my Chevy Chevette!
Posts: 2
Joined: 01/08
Posted: 05/24/09 11:25 AM

i have a 1977 350 long block and a 1975 400 short block and 1998 vortec heads. I dont need a lot of hors power it going in to a off road  83 gmc jimmy 1/2 ton its not stock it has 44 font and 14 bolt lockers  6 inchs of lift and 36 super swopers . were do i start? ps im not rick Crazy  

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Pontiacman2
Moderator
Posts: 8956
Joined: 09/08
Posted: 05/24/09 12:36 PM

vortec heads are capable of making decent power and are good heads. Grin  
Pontiacman2
Pontiacman2

Professional Hi-performance engine builder

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blacksheep84
I have an SS396 tatoo
Posts: 350
Joined: 02/09
Posted: 05/24/09 02:06 PM

well u should have enough torque with a small cam , but the hp will suffer without some half descent heads. i would not put anything more than springs into those heads , just to get by while u save up for some aftermarket heads.

lol i also hope your using some 4.56 gears to the engine out  

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BuzzLOL
I have an SS396 tatoo
Posts: 380
Joined: 12/10
Posted: 12/03/11 03:09 PM

.. Pull the 350" out, put the '98 Vortec heads on the 400" shortblock and put that in... drill the Vortec heads for the 6 steam holes... add 214/224 cam/lifters...  

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tuffnuff
Moderator
Posts: 7841
Joined: 12/09
Posted: 12/03/11 05:48 PM

That is an old thread from '09.,. why revive it now?
Smile  
When The Flag Drops.,.

tuffnuff

The Bull ***t Stops.,.
tuffnuff

P. Engineer, Engine Builder

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