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Old 02-16-2026, 10:34 PM
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performerrpm performerrpm is offline
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Default 433 shortblock

i hate to let this go since had been wanting to build it forever but here goes.

71 988 block .030, line honed with arp 2 bolt studs. machine work done by len williams machine here in oklahoma. one of the top motor motor mount bolt bosses has a piece missing from it so probably not good for the f body guys. comes with a nib rpm 4" forged crank 3" mains and pontiac rod journal, nib icon 2618 .4.15 bore pistons, and nib eagle h beam rods floating pin. the crank has had a 2nd keyway cut for a blower. will need balanced and rings and bearings.

$4000 obo.

i have another 988 block thats been vatted, needs to be .040 to clean up. 4.375 forged rpm crank and program engineering splayed caps. 1000.00

i have a set of never ran hr 72cc d ports and a used rpm intake, or victor 4150 ill let go for 2800 to the buyer of the 433 shortblock....otherwise ill keep them for now.

for 8k i will throw in the arp stud kit along with a sd mega brace nib. the D ports will only be available until i get some shop space to finish assembling 406, also for sale later.

pm for # and i will send pictures.

hate to abandon the 433 build, but i have a 467 to use along with 2 ia2s so i need to concentrate on those


Last edited by performerrpm; 02-16-2026 at 10:51 PM.
  #2  
Old 02-19-2026, 08:32 PM
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blueghoast blueghoast is offline
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Quote:
Originally Posted by performerrpm View Post
i hate to let this go since had been wanting to build it forever but here goes.

71 988 block .030, line honed with arp 2 bolt studs. machine work done by len williams machine here in oklahoma. one of the top motor motor mount bolt bosses has a piece missing from it so probably not good for the f body guys. comes with a nib rpm 4" forged crank 3" mains and pontiac rod journal, nib icon 2618 .4.15 bore pistons, and nib eagle h beam rods floating pin. the crank has had a 2nd keyway cut for a blower. will need balanced and rings and bearings.

$4000 obo.

i have another 988 block thats been vatted, needs to be .040 to clean up. 4.375 forged rpm crank and program engineering splayed caps. 1000.00

i have a set of never ran hr 72cc d ports and a used rpm intake, or victor 4150 ill let go for 2800 to the buyer of the 433 shortblock....otherwise ill keep them for now.

for 8k i will throw in the arp stud kit along with a sd mega brace nib. the D ports will only be available until i get some shop space to finish assembling 406, also for sale later.

pm for # and i will send pictures.

hate to abandon the 433 build, but i have a 467 to use along with 2 ia2s so i need to concentrate on those
Sounds like you got your hands full right now.
Simular to my situation trying to get all these cars back together.
Givem what for bro. Rooting for ya.

GT

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  #3  
Old 02-19-2026, 10:15 PM
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performerrpm performerrpm is offline
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Originally Posted by blueghoast View Post
Sounds like you got your hands full right now.
Simular to my situation trying to get all these cars back together.
Givem what for bro. Rooting for ya.

GT
between work hours, and house work its hard to keep pace with the pontiacs....ill get one fired up soon enough.lol..in the meantime i gotta stay off marketplace..haha..

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