240Z, 260Z, 280Z Performance / Technical Discussions related to performance motor enhancements, upgrades.

Anyone know approximate hp of this n/a?

Old 12-27-2007, 02:58 PM
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Anyone know approximate hp of this n/a?

Hey everyone,i have a 78 280z and i just got a new sroker engine and i was wondering if people could guess to how much hp they think it might have in it because im not sure. I am installing it in 2 weeks and would i cant wait. I would say anywhere from 275-300 hp but i dont know for sure may be more may be less.it has...

big bore kit
p90 heads
3 angle valve job
stage 3 performance cam set
f54 l28 block
89mm flat top pistons
240z rods
ld28 maxima crank
comprtition head gasket
new bearings new gasket set
new oil pump
new water pump
new timing chin set
coated 3-2-1 header
new injectors
performance flywheel
inlarged throttle body
and a cold air intake
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Old 12-27-2007, 03:24 PM
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depends, what setup are you using for an ECU?
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Old 12-27-2007, 03:52 PM
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My guess is 23500437908734628hp.
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Old 12-27-2007, 05:44 PM
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you had the rotating assembly (not the crank the assembly) balanced properly right? cause if not, it wont make any hp after 4-5k rpms and nothing much about 200hp. thats the trick to the stroker motor.
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Old 12-28-2007, 08:45 AM
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What is the engine managment and the compression ratio?

Again, I'd agree with Snwy and say maybe 190-220hp at the wheels or upwards of 250 crank horsepower. A ported out factory intake manifold can only flow so much air... and its not really a lot for an NA setup.
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