79 400 engine numbers
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Freshman User
Joined: Jan 2007
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79 400 engine numbers
Newbie here! Anyone know the stock specs off a 79 150 with a 400? Also, can anyone tell me what the one that i bought and put in it might have? and the compression ratio it might have? Thanks for any input!
bored .40 over
aftermarket dished pistons
stock cam
edelbrock performer intake
edelbrock 600 cfm carb
stock heads
bored .40 over
aftermarket dished pistons
stock cam
edelbrock performer intake
edelbrock 600 cfm carb
stock heads
Posting Guru
Joined: Jul 2007
Posts: 1,355
Likes: 1
MBDiagMan is right, that should be your cr, besides that, I asume the specs on the bottom of your post are from the engine you bought, so, with those specs you shoulb be having around 220hp and maybe 390lbs of torque, you should consider getting some headers and an aftermarket rv cam with a straight up timming chain, which are not that expensive. Having done that you would bump your engine around to 300 hp and 430 lbs of torque...
Laughing Gas
Joined: Jan 2006
Posts: 883
Likes: 7
From: New-brunswick,Canada
according to my books the 400 in 1974 had 170 hp @ 3400rpm and 330 lb/ft @2000rpm
1975-78 158 hp @ 4000rpm and 276 lb/ft @2000rpm
SAE Net. Just for comparaison
the 351c 1971 240 hp @4600rpm(2v) and 350 lb/ft @2600. When they change the calculation for SAE Net in 1972 the 351c 1972 is 177hp @4000(2v) and 284 lb/ft @2000 rpm
1975-78 158 hp @ 4000rpm and 276 lb/ft @2000rpm
SAE Net. Just for comparaison
the 351c 1971 240 hp @4600rpm(2v) and 350 lb/ft @2600. When they change the calculation for SAE Net in 1972 the 351c 1972 is 177hp @4000(2v) and 284 lb/ft @2000 rpm
Last edited by mustang81; Feb 6, 2009 at 05:11 PM. Reason: missing info
Laughing Gas
Joined: Jan 2006
Posts: 883
Likes: 7
From: New-brunswick,Canada
according to my books the 400 in 1974 had 170 hp @ 3400rpm and 330 lb/ft @2000rpm. 1975-78 158 hp @ 4000rpm and 276 lb/ft @2000rpm. SAE Net.
Just for comparaison
the 351c 1971 240 hp @4600rpm(2v) and 350 lb/ft @2600. When they change the calculation for SAE Net in 1972 the 351c 1972 is 177hp @4000(2v) and 284 lb/ft @2000 rpm
the compression for the 400 is 8.0:1 except in 1972 is 9.0:1
Just for comparaison
the 351c 1971 240 hp @4600rpm(2v) and 350 lb/ft @2600. When they change the calculation for SAE Net in 1972 the 351c 1972 is 177hp @4000(2v) and 284 lb/ft @2000 rpm
the compression for the 400 is 8.0:1 except in 1972 is 9.0:1
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