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#1
09-06-2002, 03:50 PM
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280zx
I have a 79zx 2+2.. Now the L28 motor in a 77z has 185hp. I have 135. Why the massive loss with the same engine. I know it can't be turbo.. those weren't out till 81.. Some please I need an anwer.. I need more power.
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#2
09-06-2002, 04:12 PM
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possible engine rebuild is needed? dunno..there are alot of factors that could cause power loss. You said you had a 79z..i think those only came in 135hp anyway..because i know the stock 1/4 mile was mid 17s..
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#3
09-07-2002, 03:49 AM
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well im no Nissan expert...
but i think the answer you're looking for is Smog regulations. THey seem to factor what horsepower is put out. i always use this example, a 70 Malibu with a 350 made 300+ hp a 77 Malibu with a 350 made 170hp. Why? Smog regulations. Like i said, im no expert on the Z or Nissan products, but thats my guess.
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2003 Chevy 1500HD - Hauler 1971 Chevy Camaro RS - Track Car User Guidelines It's important to read, like the Bible. But unlike the Bible we will strike you down if you jerk off around here.
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#4
09-07-2002, 06:34 AM
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sounds bout right
or so I say :bandit:
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 My new RHD project! Solid Crew (Circa 2002)
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#6
09-07-2002, 10:13 PM
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Nah, it ruins the weight balance. 240Z with a RB26, hmm theres another project to start working on.
As I recall, they had a different cam in the later 280Z, which seriously hampered the performance. Possibly lower compression as well. I think they still used the same head, so a performance rebuild should get you around 200 hp...
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 Connor - Porsche Nazi since 2001, VW defiler since 2004  This here's a Fabrication forum!  My lugnut requires more torque than your LS1 makes.
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#7
09-08-2002, 04:15 PM
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Not really, the kit for the small block sets the engine back a bit, being that it is shorter than the straight six. The car will still handle extremely well. I know a few people with the swap, and they all love em.
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96 Z-28 M6 13.92 @ 101.7 before bolt on's 91 Ex Accord Coupe h22a swap bolt on's 00 SE Maxima 5M Greddy Evo Frankencar intake
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#8
09-08-2002, 09:42 PM
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I guess it would be shorter, what with a pair of 4 cylinder banks instead of a single 6 cylinder bank.
I'd still be more partial to the RB swap, for it higher rpm capabilities.
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Connor - Porsche Nazi since 2001, VW defiler since 2004 This here's a Fabrication forum! My lugnut requires more torque than your LS1 makes.
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#9
09-08-2002, 09:53 PM
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Quote:
swap in a Chevy327. You get the big cubes of a V8, but also high RPM capabilities. Or build a replica Chevy 302, the 302 is lethargic under 4000 rpm, but starts to make its best power at about 7500rpm, like 380 hp. From a stock Chevy 302. Then want even more fun? Throw in an EFI setup, and then a Turbo setup as well, and you'll have a car that is giggles-o-fun! Like possibly 500 hp small block in a car that weighs like what 2500lbs? And its RWD! Gotta love Chevy.
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2003 Chevy 1500HD - Hauler 1971 Chevy Camaro RS - Track Car User Guidelines It's important to read, like the Bible. But unlike the Bible we will strike you down if you jerk off around here.
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#10
09-08-2002, 10:36 PM
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Ah, the Z28 engine! They're kind of hard to find though... I do aprove of the EFI/Turbo idea, that's what I'm doing with my 400M when I have the money for it. I've been planning to put it into an RX7, but a 240Z is just as good a project...
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Connor - Porsche Nazi since 2001, VW defiler since 2004 This here's a Fabrication forum! My lugnut requires more torque than your LS1 makes.
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#11
09-08-2002, 11:03 PM
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Quote:
Yep the Z28 engine. Yeah they're hard to find, thats why i said make a replica. Would be cheaper to build a clone 302 than to aquire an original 302. Ya know? get the specs on everything about the motor and build it up. When im done with my project(s). I'd like to do somethng of that nature with a 240Z or something. I think that would be bad ass at the track, not 1/4 track but one with turns. Although it should just eat up things in the 1/4! Or instead of a Z car, maybe Chevy Luv Pickup with V-8 conversion... That would be a cool.
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2003 Chevy 1500HD - Hauler 1971 Chevy Camaro RS - Track Car User Guidelines It's important to read, like the Bible. But unlike the Bible we will strike you down if you jerk off around here.
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#12
09-09-2002, 01:14 AM
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Gotta love the Z's
 Seen a 280z w/ a turbo charged 5.7 LS1 (or LT1....i get them mixed up.....it was the 5.7 in the C5's). That car could lay serious rubber and fishtale from a roll in 3rd gear :silly2:
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12.86@121mph 1/4 mile Any1 wanna lend me their traction? 1987 300ZX Turbo Stage III++ Borla Stainless Steel Exhaust System, K & N Filter and intake w/ dual poppers, Apexi Boost Controller currently at 12-12.5psi, 3.73 gears, greenstuff brakes, 17 inch Z rated tires, suspension, and all guages are AutoMeter Guages if any1 cares. (a magician never reveals his tricks....not ALL of them at least) ALL THROTTLE, NO BOTTLE!! (pure power, not a bottle fed baby) "Racing in a honda is like the special olympics....even if you win, your still retarded" 1987 300ZX : $3000 All Modifications : $5000 Stomping someone that paid 3X's more for a "fast" car: Priceless
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#13
09-09-2002, 01:30 AM
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Quote:
If you get aluminum cylinder heads, move the battery to the trunk, and do some other things to shift weight around, its almost like stock... From what I've seen, it seems most people who do the V8 swap are more into straight line performance... like running 12s, and 11s in the quarter. Then there are the real crazy ones, like that Darius guy who swapped a supercharged Camaro motor in (LT1, or LS1... don't remember) He kept up with an R1 from a dead stop... that was one crazy ass Z car Enough typing for now... -Grendel
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#14
09-09-2002, 01:50 AM
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Quote:
I would pay mad cash if that guy would take me for one balls out ride in his Z  -Grendel
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#15
09-09-2002, 08:32 AM
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Maybe I'll take a little road trip when I get my project finished, and show all you SoCal guys we can build rods up here too!
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Connor - Porsche Nazi since 2001, VW defiler since 2004 This here's a Fabrication forum! My lugnut requires more torque than your LS1 makes.
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