3.5 in a 4th gen
10-25-2004, 01:45 PM
#201
Originally Posted by TILLEYS99
I see a few problems with cam pos sensor and flywheel cps they (3.0 harness will need to be 5 spd with 3.0 fly. or auto with 3.0 torque plate). Cam pos sensor has its pickup on the wrong side of the head and I think the markings on the cam will send the wrong signal. (just my opinion after i have tore both apart)
10-25-2004, 03:39 PM
#204
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Ha. I live in Canada. Finding a 2002-2003 engine in the US may be easy, but around here it's like trying to find a honda with a decent low end.
The only other option is the JMD one. They said they had one from a 2002 Altima for 1695$ US. That, translated in Canadian money, plus tax plus shipping would be a little over 2500$CAN.
Now more than any other, this thread deserves to be a sticky.
The only other option is the JMD one. They said they had one from a 2002 Altima for 1695$ US. That, translated in Canadian money, plus tax plus shipping would be a little over 2500$CAN.
Now more than any other, this thread deserves to be a sticky.
10-25-2004, 05:11 PM
#205
I just found 3 in Quebec on www.car-part.com
10-25-2004, 07:35 PM
#206
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Man, thanks a lot. Now 5 more months before we get rid of the snow, more than enough time for the swap + paint job.
BTW, I need to change my knock sensor (and 2 O2 sensors), I'm assuming I'll have to use it and other 3.0 sensors for the 3.5 but is it worth changing (only owned the car for 3 months).
I've also look at about 10 places where they import motors (but I doubt they have 3.5s) so I'm calling everywhere tomorrow.
BTW, I need to change my knock sensor (and 2 O2 sensors), I'm assuming I'll have to use it and other 3.0 sensors for the 3.5 but is it worth changing (only owned the car for 3 months).
I've also look at about 10 places where they import motors (but I doubt they have 3.5s) so I'm calling everywhere tomorrow.
10-26-2004, 11:49 AM
#208
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You sure the 3.5 KS will work with 3.0 wiring? Doesn't seem right. I mean, I'm keeping the 3.0 ECU so I'm assuming it won't be able to read the 3.5 KS.
Wouldn't they leave the Knock Sensor on if I bought the full engine?
Calling for engines tomorrow. Right now I only have the choice between a 2k2 Altima engine (2200$ CAN with tax and delivery) and a 2k2 Maxima engine with 10000 km (6000 miles, supposedly) for 2300$ CAN with tax and delivery. Not exactly the deal of the century.
I heard the 2k2 Maximas were overrated and that the 2k2 Altimas were underrated. Maxes are supposed to have more torque, or is the difference only there because of differences in the exhaust and wouldn't affect my 4th gen since I'm going for a full Cattman setup right off the bat?
Wouldn't they leave the Knock Sensor on if I bought the full engine?
Calling for engines tomorrow. Right now I only have the choice between a 2k2 Altima engine (2200$ CAN with tax and delivery) and a 2k2 Maxima engine with 10000 km (6000 miles, supposedly) for 2300$ CAN with tax and delivery. Not exactly the deal of the century.
I heard the 2k2 Maximas were overrated and that the 2k2 Altimas were underrated. Maxes are supposed to have more torque, or is the difference only there because of differences in the exhaust and wouldn't affect my 4th gen since I'm going for a full Cattman setup right off the bat?
10-27-2004, 02:33 PM
#211
Originally Posted by JClaw
Why would a 6-speed lose more?
10-27-2004, 03:16 PM
#213
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Found this, if it can help:
http://www.nissanperformancemag.com/march04/ask_sarah/
" What are the differences between the VQ30DE and VQ35DE? Thanks, Will.
Nissan continues to improve upon their engines as the VQ35DE replaces the VQ30DE in the Maxima (and powers the 350Z). The VQ35DE was designed for even more low end torque. Displacement was increased from 3.0L to 3.5L using a longer 95.5mm bore (the size of your piston) and 81.4mm stroke (how far the piston travels up and down) versus the 93 x 73.3mm bore x stroke in the VQ30DE.
The Maxima’s variable intake system and new valve timing control system, NCVCS (Nissan Continuous Valve Timing Control System), improves volumetric efficiency through optimal timing control proportionate to engine speed and intake manifold length, increasing torque 9% at 2000 rpm and an additional 3% at 3200 rpm. An internal valve system which adjusts intake length relative to engine speed, NVIS (Nissan Variable Intake System), boosts horsepower and torque (roughly 11% at low engine speeds).
Internal components went on a diet lowering the inertia mass and reducing friction of reciprocating parts to get quicker engine response and a quieter ride. Lighter pistons were designed to include a reduced skirt length, reduced pin offset, lower skirt rigidity, and a tapered pin boss making them the lightest in the world for their size. The engine’s connecting rods are fastened by bolts only, to reduce reciprocating weight. A new long reach spark plug design improves cooling performance by increasing the water jacket around the plugs, which strengthen knock resistance and allowed the ignition timing to be advanced.
The VQ35DE block weighs in at 35 pounds lighter than its predecessor. In the end, horsepower jumps to 250hp@6000rpm (240hp in the auto) and 240 ft lbs of torque@3200rpm (265 in auto) while the VQ30DE is rated at 190hp@5600rpm and 205 ft lbs@4000 rpm (222hp@6400rpm and 217ft lbs@4000rpm in the 2000+ VQ30DE-K’s). Nissan Motorsports just released a new head which has the VQ30DE chamber volume but the VQ35DE ports and titanium valves which raises the compression ratio to 12:1 if you’re interested in building a naturally aspirated Maxima. "
Anybody else heard about these heads?
http://www.nissanperformancemag.com/march04/ask_sarah/
" What are the differences between the VQ30DE and VQ35DE? Thanks, Will.
Nissan continues to improve upon their engines as the VQ35DE replaces the VQ30DE in the Maxima (and powers the 350Z). The VQ35DE was designed for even more low end torque. Displacement was increased from 3.0L to 3.5L using a longer 95.5mm bore (the size of your piston) and 81.4mm stroke (how far the piston travels up and down) versus the 93 x 73.3mm bore x stroke in the VQ30DE.
The Maxima’s variable intake system and new valve timing control system, NCVCS (Nissan Continuous Valve Timing Control System), improves volumetric efficiency through optimal timing control proportionate to engine speed and intake manifold length, increasing torque 9% at 2000 rpm and an additional 3% at 3200 rpm. An internal valve system which adjusts intake length relative to engine speed, NVIS (Nissan Variable Intake System), boosts horsepower and torque (roughly 11% at low engine speeds).
Internal components went on a diet lowering the inertia mass and reducing friction of reciprocating parts to get quicker engine response and a quieter ride. Lighter pistons were designed to include a reduced skirt length, reduced pin offset, lower skirt rigidity, and a tapered pin boss making them the lightest in the world for their size. The engine’s connecting rods are fastened by bolts only, to reduce reciprocating weight. A new long reach spark plug design improves cooling performance by increasing the water jacket around the plugs, which strengthen knock resistance and allowed the ignition timing to be advanced.
The VQ35DE block weighs in at 35 pounds lighter than its predecessor. In the end, horsepower jumps to 250hp@6000rpm (240hp in the auto) and 240 ft lbs of torque@3200rpm (265 in auto) while the VQ30DE is rated at 190hp@5600rpm and 205 ft lbs@4000 rpm (222hp@6400rpm and 217ft lbs@4000rpm in the 2000+ VQ30DE-K’s). Nissan Motorsports just released a new head which has the VQ30DE chamber volume but the VQ35DE ports and titanium valves which raises the compression ratio to 12:1 if you’re interested in building a naturally aspirated Maxima. "
Anybody else heard about these heads?
10-27-2004, 04:15 PM
#214
old news on the nismo heads:
http://www.performancenissanparts.co...5b8695ec946388
http://www.performancenissanparts.co...5b8695ec946388
10-27-2004, 04:53 PM
#215
Originally Posted by JClaw
Why would a 6-speed lose more?
10-27-2004, 06:55 PM
#216
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Thanks, SR.
I know I'm changing subjects suddenly, but if we're going to use the full 3.5 with heads and all, how are we gonna use the throttle cable? It's been a while since I've taken a close look at a 3.5 but didn't they get rid of it?
As for the heads, I know the 3.5 are superior but on the other hand the combustion chamber on the 3.0 heads is the same as the nismo heads...
I know I'm changing subjects suddenly, but if we're going to use the full 3.5 with heads and all, how are we gonna use the throttle cable? It's been a while since I've taken a close look at a 3.5 but didn't they get rid of it?
As for the heads, I know the 3.5 are superior but on the other hand the combustion chamber on the 3.0 heads is the same as the nismo heads...
10-27-2004, 07:19 PM
#217
No one has ever proved to me any REAL advantages of the Nismo head so to me they're just a set of $2000 paper weights.
If you don't use the 3.5 ECU then obviously you wouldn't use the DBW.
If you don't use the 3.5 ECU then obviously you wouldn't use the DBW.
10-27-2004, 07:45 PM
#219
I think I would sound like a broken record. Especially after that Ferrea find you made the other day.
A guy on my350z.com just had them installed on his heads. His results should come within the next few days.
A guy on my350z.com just had them installed on his heads. His results should come within the next few days.
:
imo
10-27-2004, 09:33 PM
#231
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ok
#1 no point in upgrading throttle body. it is the biggest one on all the maximas.
#2 what can go wrong? wiring? ecu? that all that i can think of as of right now.
#3 parts wear out on throttle also. what about the cables on the throttle?
#4 that is so funny. that is why i got a clutch now.
#1 no point in upgrading throttle body. it is the biggest one on all the maximas.
#2 what can go wrong? wiring? ecu? that all that i can think of as of right now.
#3 parts wear out on throttle also. what about the cables on the throttle?
#4 that is so funny. that is why i got a clutch now.
10-28-2004, 10:01 AM
#233
Originally Posted by vsamoylov
and why not? brief me in on that then or why you guys think that.
10-28-2004, 11:37 AM
#234
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Originally Posted by TILLEYS99
I have yet to hava a cable or TB wear out. also 2k2+ tb isnt that big my Q45tb would eat that thing up. 
ok a q45 throttle body? didnt you read my post that said it has the biggest maxma throttle body? i didnt say any other. it is the biggest on the maximas. what is the size on the q45 TB? and i have yet to have a wires or the Tb wear out also on the vq35.
10-28-2004, 01:20 PM
#235
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Come on, no need for a pissing contest. I was just curious to see how you guys would use the 3.0 cable on the 3.5... The 3.5 upper end may be superior, but I really have no idea how you could use the cable to activate the TB. All just makes me want to dump the bottomend in and bolt everyting from 3.0 back on. Then again, that wouldn't be the best way of doing it, but it sure would save a few headaches.
10-28-2004, 03:36 PM
#238
Originally Posted by vsamoylov
ok a q45 throttle body? didnt you read my post that said it has the biggest maxma throttle body? i didnt say any other. it is the biggest on the maximas. what is the size on the q45 TB? and i have yet to have a wires or the Tb wear out also on the vq35.
how many miles on it????? under 100k im sure 
when you hit 200k+ without issues then come back and say how great it is. BTW whats the cost on a 3.5tb (new)?
10-28-2004, 03:42 PM
#239
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there ar e a couple of people in the 5th gen section that have high mileage (not as high as you say) and hey never had problems. i understand electronics fail in cars as well as mechanical parts also. so it is there is a even part of failure on both parts.
and no you cant add any other throttle body as far as i know on maximas except 6th gen and pathfinders also cause pathfinders are all throttle controlled. strange though a 2k2 pathfinder with vq35 opperated by throttle cable when the maxima the same year had E-Gas. no idea on how much it will cost though but at a dealer, probably a nice amount.
and no you cant add any other throttle body as far as i know on maximas except 6th gen and pathfinders also cause pathfinders are all throttle controlled. strange though a 2k2 pathfinder with vq35 opperated by throttle cable when the maxima the same year had E-Gas. no idea on how much it will cost though but at a dealer, probably a nice amount.