High compression setup
10-14-2004, 10:32 AM
#1
Registered User
Thread Starter
Join Date: Dec 2003
Location: Midland, TX
Posts: 1,602
Likes: 0
Received 0 Likes
on
0 Posts
High compression setup
I have a spare 350Z motor that I can play around with. Its not in a car and is already torn down. We've been tossing around some ideas here at the shop. Forced induction with forged internals is an obvious one. Another idea that Im not sure about is putting in higher compression pistons, say 11.5:1. Then installing cams and headers (which will be easy with the motor out of the car), maybe a plenum. I already have a popcharger and Injen dual exhaust. Then we would just swap motors. What Im wondering is what the gains would be like with a setup like this? Would the rods need to be changed? Does Technosquare have a reflash for something like this? Could it run on 92 octane? Has anyone done this? Thanks.
10-14-2004, 02:10 PM
#2
Registered User
iTrader: (8)
Join Date: Jun 2003
Location: Nor Cal.
Posts: 1,635
Likes: 0
Received 0 Likes
on
0 Posts
Re: High compression setup
Originally posted by BluZee
I have a spare 350Z motor that I can play around with. Its not in a car and is already torn down. We've been tossing around some ideas here at the shop. Forced induction with forged internals is an obvious one. Another idea that Im not sure about is putting in higher compression pistons, say 11.5:1. Then installing cams and headers (which will be easy with the motor out of the car), maybe a plenum. I already have a popcharger and Injen dual exhaust. Then we would just swap motors. What Im wondering is what the gains would be like with a setup like this? Would the rods need to be changed? Does Technosquare have a reflash for something like this? Could it run on 92 octane? Has anyone done this? Thanks.
I have a spare 350Z motor that I can play around with. Its not in a car and is already torn down. We've been tossing around some ideas here at the shop. Forced induction with forged internals is an obvious one. Another idea that Im not sure about is putting in higher compression pistons, say 11.5:1. Then installing cams and headers (which will be easy with the motor out of the car), maybe a plenum. I already have a popcharger and Injen dual exhaust. Then we would just swap motors. What Im wondering is what the gains would be like with a setup like this? Would the rods need to be changed? Does Technosquare have a reflash for something like this? Could it run on 92 octane? Has anyone done this? Thanks.
10-14-2004, 04:11 PM
#3
Registered User
Thread Starter
Join Date: Dec 2003
Location: Midland, TX
Posts: 1,602
Likes: 0
Received 0 Likes
on
0 Posts
Re: Re: High compression setup
Originally posted by G3po
With pretty much any NA mod you could do the OEM Rods are more than adequate as lonf as you don't intend to build an 8k rpm endurance motor. Inorder to yield the real power out of this NA setup you will need to raise the rev limter to ~7200rpm which is fine with the OEM bottom end.
With pretty much any NA mod you could do the OEM Rods are more than adequate as lonf as you don't intend to build an 8k rpm endurance motor. Inorder to yield the real power out of this NA setup you will need to raise the rev limter to ~7200rpm which is fine with the OEM bottom end.
10-14-2004, 05:15 PM
#4
I saw a BMI video where Esprit Japan built a NA 350z with 350 horsepower. It listed the engine mods as cams, high compression pistons, upgraded CPU, intake, exhaust, and cost $11,000.
High revving parts for this car cost rediculous amounts of money. The Nismo spec 2 cams list for $2500. I paid $125 for the Lev 3 TRD cam in my 22R-E!
I too am very interested in building a set up like this, but I think you can get a lot more bang for the buck from forced induction.
High revving parts for this car cost rediculous amounts of money. The Nismo spec 2 cams list for $2500. I paid $125 for the Lev 3 TRD cam in my 22R-E!
I too am very interested in building a set up like this, but I think you can get a lot more bang for the buck from forced induction.
10-14-2004, 05:38 PM
#5
Registered User
Thread Starter
Join Date: Dec 2003
Location: Midland, TX
Posts: 1,602
Likes: 0
Received 0 Likes
on
0 Posts
Originally posted by Lawn Dart
I too am very interested in building a set up like this, but I think you can get a lot more bang for the buck from forced induction.
I too am very interested in building a set up like this, but I think you can get a lot more bang for the buck from forced induction.
10-14-2004, 06:20 PM
#7
Registered User
Join Date: Aug 2002
Location: MN
Posts: 483
Likes: 0
Received 0 Likes
on
0 Posts
Trending Topics
10-17-2004, 10:00 PM
#11
Registered User
Join Date: Aug 2004
Location: Irvine/Anaheim
Posts: 112
Likes: 0
Received 0 Likes
on
0 Posts
ha HELL NO!. 13.5 TO 1, you will have to have notched or triangular topped pistons to make sure you have valve clearance. or else you'll bang your piston into the head and the valves and that doesn't look or sound pretty. But you would definetly have to run race gas, the most you could pull of is 12:1 on pump gas and that is with heavy ecu tuning.
10-17-2004, 11:27 PM
#12
Registered User
Join Date: Jul 2003
Location: amsterdam ny
Posts: 155
Likes: 0
Received 0 Likes
on
0 Posts
Im looking for 12:1 or 12.5:1 comp pistons and no luck, anyone have any ideas?
Because Im going to use the vq 30 crank and rods in the 3.5 . And it will be a sweet 73.3 mm stroke rev machine. (3.150 new engine size) And it will lower the comp .So with those pistons it would be around 11:1 or 11.5:1
Because Im going to use the vq 30 crank and rods in the 3.5 . And it will be a sweet 73.3 mm stroke rev machine. (3.150 new engine size) And it will lower the comp .So with those pistons it would be around 11:1 or 11.5:1
Thread
Thread Starter
Forum
Replies
Last Post
350Z_Al
Exterior & Interior
133
10-29-2020 07:44 PM
