Engine Knocking (rebuld OR swap)... Please Advice
#1
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Engine Knocking (rebuld OR swap)... Please Advice
Hello EveryOne;
This is my first post here and I wish I brought up something useful by this post, everyone can share thoughts and Ideas.
I have done many LS/Vortec swaps to jeeps and patrols. Now it is time for my loved 350Z. I bought it two days ago with engine knocking and annoying low oil pressure.
I had two choices weather to rebuild my engine or go for LS swap. I must tell that I will not pay workshop fees cause if I am doing a rebuild it will be done by my hands which will make it low budget rebuild. LS swap has its own costs of buying the engine, harness, and some other extra costs.
with LS swap. The high cost option, I will have affordable engine and high power gain.
with rebuild. The low cost option, I have no Idea if it is a kind of engines that will be affordable machine after rebuild. or it will fail soon.
Please advice me
All your comments are appreciated
This is my first post here and I wish I brought up something useful by this post, everyone can share thoughts and Ideas.
I have done many LS/Vortec swaps to jeeps and patrols. Now it is time for my loved 350Z. I bought it two days ago with engine knocking and annoying low oil pressure.
I had two choices weather to rebuild my engine or go for LS swap. I must tell that I will not pay workshop fees cause if I am doing a rebuild it will be done by my hands which will make it low budget rebuild. LS swap has its own costs of buying the engine, harness, and some other extra costs.
with LS swap. The high cost option, I will have affordable engine and high power gain.
with rebuild. The low cost option, I have no Idea if it is a kind of engines that will be affordable machine after rebuild. or it will fail soon.
Please advice me
All your comments are appreciated
Last edited by Ragheed Jamal; 09-27-2016 at 02:52 AM.
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Ragheed Jamal (10-02-2016)
#3
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Depends on how bad the damage is.
I always vote to keep another VQ on the road. Especially with how much swaps cost in total. It's not a easy $1,000 and done like some people assume.
But LS builds are hard to refute. Ever think of staying JDM and looking 2j?
I'm a firm believe in the notion "2j and LS everything!" Lol
I always vote to keep another VQ on the road. Especially with how much swaps cost in total. It's not a easy $1,000 and done like some people assume.
But LS builds are hard to refute. Ever think of staying JDM and looking 2j?
I'm a firm believe in the notion "2j and LS everything!" Lol
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Ragheed Jamal (10-02-2016)
#4
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Ls3 and cam
Easy reliable power. No forced induction to worry about
Easy reliable power. No forced induction to worry about
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travlee (09-27-2016)
#7
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Not to mention after all that your well into the price range of just picking up a LS3.
But if you get to that point after supporting mods and everything else you'll need to complete that LS swap your basically in the range of being able to just build a VQ for close to similar or lower.
But the only problem with going VQ is FI is the only way you'll be able to make the LS numbers realistically, like HR said which is a head ache in and of it self.
Like they say, no HP comes for free, either way your ganna have to pay to play. With that MPH one way or another lol
Last edited by CK_32; 09-28-2016 at 11:22 AM.
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Ragheed Jamal (10-02-2016)
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#8
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Or the fact that the iron block is super heavy compared to a LS3
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Ragheed Jamal (10-02-2016)
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Ragheed Jamal (10-02-2016)
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Ragheed Jamal (10-02-2016)
#11
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http://www.lingenfelter.com/product/LPE19201990.html
or ls7 and trans combo for half the price
https://www.summitracing.com/parts/nal-s00014/overview/
or ls7 and trans combo for half the price
https://www.summitracing.com/parts/nal-s00014/overview/
Last edited by travlee; 09-28-2016 at 11:34 AM.
#12
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#13
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Well, that puts an end to anything with 8 cylinders then. To be honest, you can't trust a high-horsepower VQ as a daily though. It's not that they are necessarily unreliable in themselves, the cost of preventive maintenance will be very high to keep it in tip top shape as you drive it hard every day inevitably.
I like my current situation. 4 cylinder daily, twin turbo VQ for fun.
I like my current situation. 4 cylinder daily, twin turbo VQ for fun.
Last edited by yosip1115; 09-29-2016 at 06:44 AM.
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Ragheed Jamal (10-02-2016)
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Ragheed Jamal (10-02-2016)
#17
Registered User
Personally I would vote for the 5.3 stock displacement don't mess with the cylinders(thats why the 5.3 iron block is stronger then a ls3 block. Pick up a brand new Summit 5.3 block. and build it up over the winter if you have 1. A fully forged 5.3 will be around 4500 all said and done short block put together by a reputable engine builder.
A brand new 5.3 summit block at 400 bucks shipped to your door, will be 1/4 of the price of what the ls1/2/3 blocks bring. Or you could find a l33(gen4) 5.3 aluminium block for about half the cost of a ls1/2/3 block. All the components will cost the same.
Bottom line a ls1/2/3 will cost you more(block vs block) and the blocks themselves(ls1/2/3) are done around 850-900whp. While the iron 5.3 with it's thick cylinder walls can handle 1000hp at the tires.
Buying a bare block is nice (that's what I did) but all the accessories/censors will nickel and dime you.
I understand you might not go FI but all the parts I bought and that's included in the 4500 price you could get all hi compression stuff for the same price ie,ls7 lifters,ls2 time chain ect.
A brand new 5.3 summit block at 400 bucks shipped to your door, will be 1/4 of the price of what the ls1/2/3 blocks bring. Or you could find a l33(gen4) 5.3 aluminium block for about half the cost of a ls1/2/3 block. All the components will cost the same.
Bottom line a ls1/2/3 will cost you more(block vs block) and the blocks themselves(ls1/2/3) are done around 850-900whp. While the iron 5.3 with it's thick cylinder walls can handle 1000hp at the tires.
Buying a bare block is nice (that's what I did) but all the accessories/censors will nickel and dime you.
I understand you might not go FI but all the parts I bought and that's included in the 4500 price you could get all hi compression stuff for the same price ie,ls7 lifters,ls2 time chain ect.
#18
Registered User
Thread Starter
Thank you guys, I appreciate all your replies. its clear that everybody is pushing for LS. I understand the aspects behind that. But when I came to calculations, LS rises the budget to more than double what I can afford. After disassembling the VQ, It's quiet clear that rebuild will not cost me more than 800$ -no workshop fees. In addition to that I have spare engine that I can use for spare pats. This puts me in budget and saves me a lot of headache and bucks.
Initially, I only need to replace Crankshaft, bearings, oil pump, gaskets, two connecting rods. That's all I found needs replacement.
Now, what brand is better for engine parts, average quality? Also is there anything else that is mandatory to be replaced during a VQ rebuild?
Many thanks....
Ragheed
Initially, I only need to replace Crankshaft, bearings, oil pump, gaskets, two connecting rods. That's all I found needs replacement.
Now, what brand is better for engine parts, average quality? Also is there anything else that is mandatory to be replaced during a VQ rebuild?
Many thanks....
Ragheed
#20
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iTrader: (1)
Hah another win for a VQ back on the road.
Suck it all you LS sissies!
Lol jk I seriously love the LS. But like you said it's not cheap to do a swap of any kind. Your literally replacing the heart and half if not nore of what you paid for by buying the car in the first place.
LS/JZ swaps are awesome and I'd love one my self but it's not feasible when actually sat down and thought about.
Suck it all you LS sissies!
Lol jk I seriously love the LS. But like you said it's not cheap to do a swap of any kind. Your literally replacing the heart and half if not nore of what you paid for by buying the car in the first place.
LS/JZ swaps are awesome and I'd love one my self but it's not feasible when actually sat down and thought about.
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yosip1115
2003-2009 Nissan 350Z
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09-28-2016 05:54 AM