Ezekial

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355 posts
2001 Nissan 200SX S15
Newcastle NSW
11-28-2004
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| « Re: what power with Vh45de (Mattbacon) | 2:48 AM 10/20/2005 |
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this wont help ... but turbo it straight up ... and welcome 600 rwhp
1985 Nissan Gazelle S12 ... VH45DE-T 2001 Nissan 200SX S15 ... SR20DET
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Mattbacon
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22 posts
7-26-2005
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| « Re: what power with Vh45de (Ezekial) | 3:25 AM 10/21/2005 |
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which leads me to askwith correct fueling and stock internals, what HP have u guys reliably run? (as in street driven) (even with turbo setups) but i wana try get sum N/A HP first before going for turbo setup
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John Dixon
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493 posts
300ZX-TT Z32
Birmingham UK
11-16-2004
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I'm currently building mine up with 98mm bore (5.0l), 11.2:1 CR, flowed heads, custom headers and 8x45mm throttle bodies. Hoping for over 450bhp, but time will tell ...
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Ezekial

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355 posts
2001 Nissan 200SX S15
Newcastle NSW
11-28-2004
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| « Re: (John Dixon) | 10:37 PM 10/22/2005 |
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| Quote, originally posted by John Dixon » | | I'm currently building mine up with 98mm bore (5.0l), 11.2:1 CR, flowed heads, custom headers and 8x45mm throttle bodies. Hoping for over 450bhp, but time will tell ... | you should get a billet stroker crank with me ...so you bored each cylinder 5 mm?
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John Dixon
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493 posts
300ZX-TT Z32
Birmingham UK
11-16-2004
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| « Re: (Ezekial) | 9:44 AM 10/23/2005 |
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| Quote, originally posted by Ezekial » | | you should get a billet stroker crank with me ... so you bored each cylinder 5 mm? |
Yes, 5mm overbore. Too late for the stroker now, committed to this route. Rods / pistons are made, it's all being assembled.
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Ezekial

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355 posts
2001 Nissan 200SX S15
Newcastle NSW
11-28-2004
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| « Re: (John Dixon) | 6:50 PM 10/23/2005 |
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5 mm is a fair overbore!!would have raised the compression over 11.0:1 hmmm ... might give that a go ... 5 mm overbore and run 3.5 mm thick head gaskets to achieve 9.0:1
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Mattbacon
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22 posts
7-26-2005
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has anybody got a simple setup like exhaust, headers, new intake minor mods like this, what sort of power? and also has sumbody had a stock VH45de powerd car on a dyno? is 200+kw wheels easy to achieve with N/A motor?
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Ezekial

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355 posts
2001 Nissan 200SX S15
Newcastle NSW
11-28-2004
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| « Re: (Mattbacon) | 10:15 PM 10/23/2005 |
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the guys on here reckon the exhaust system is close to spot on ... send your cams to tighe
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John Dixon
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493 posts
300ZX-TT Z32
Birmingham UK
11-16-2004
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| « Re: (Ezekial) | 12:53 PM 10/24/2005 |
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If you want the gaskets made, can probably get them done for you, as the guy who did mine will obviously have the pattern. Aren't you worried about the big squish clearence with thick gaskets.
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maxnix
NICO Supporter

Online
21169 posts
1995 Q45, 1995 Q45t, 2000 Q45
Austin TX
7-22-2002
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| « Re: (John Dixon) | 6:40 PM 10/24/2005 |
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| Quote, originally posted by John Dixon » | If you want the gaskets made, can probably get them done for you, as the guy who did mine will obviously have the pattern. Aren't you worried about the big squish clearence with thick gaskets.
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Not to mention timing change. Why do people think thick gaskets with boost are viable?
Brian 1995 Q45 & Q45t & 2000 Q45
Discover the power of the button!
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John Dixon
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493 posts
300ZX-TT Z32
Birmingham UK
11-16-2004
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Actually, Escort racing do low comp pistons I think, will try to dig out the link for them. They also do Hi comp ones for NA builds. Pricey though
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Mattbacon
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22 posts
7-26-2005
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i have to do a new exhaust anyway, no choice i put the engine into the car, it is not a Q45 carso i need a custom exhaust, i wana find a good size (for N/A at this stage) i will turbo it (or supercharge) later on, but want to run N/A first, learn the car, get all the susp + breaks ready, and Certify the car so it is road legal and im not in the USA by the way cheers p.s. anybody had a stock vh45 on the dyno? or a mildly modified one? exhaust, maybe cams?? sumbody!?!?!
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Ezekial

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355 posts
2001 Nissan 200SX S15
Newcastle NSW
11-28-2004
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| « Re: (maxnix) | 5:44 PM 11/1/2005 |
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| Quote, originally posted by maxnix » | Not to mention timing change. Why do people think thick gaskets with boost are viable? | i really cant see it being a problem since i have full control over ignition timing, cam timing, VVT, etcIts called an aftermarket ecu and a set of adjustable cam gears if necessary
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John Dixon
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493 posts
300ZX-TT Z32
Birmingham UK
11-16-2004
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Here's the link to escort if anyone's interested. They do low comp forged and hi comp cast pistons for the VH45/VH41 http://www.escort-us.com/
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Mattbacon
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22 posts
7-26-2005
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so nobody has put an exhaust on a q45 aznd dynoed it? or dynoed a stock vh45de??sumbody must have???
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Q45tech
Q45 Guru
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13901 posts
1990 Q45 325,000 miles 19.9 years ownership
Marietta , Georgia
4-30-2002
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| « Re: (Mattbacon) | 11:01 AM 11/17/2005 |
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90 Q stock with JWT ecu reprogram ~~240-250 R WHP and 250-265 R lb/ft.In a lighter car the cams are wrong..............anyway 330-337 gross lb/ft [JWT ecu] is quite decent for a 4.494 liter even today. The brand new designs can't make that much.......because they are tuned for the HP race numbers for marketing confusion. The exhaust manifolds are quite good compared to any factory supplied units..........even exotics. The problems are that the engine was tuned [cams/runner lengths-diameters to plenum] to produce peak torque at 4,000 rpm.........vvt shifts at 4600 rpm............keeping a 4300 pound car with fuel and driver and AC on smooth up a hill with a 2000 rpm @60 mph requires some low rpm bias as the load could be 5,000 pounds with fat excecutives and their luggage from airport. The driver was expected to act as body guard so some heft was required to fill the job.
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Mattbacon
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22 posts
7-26-2005
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| « Re: (Q45tech) | 12:42 AM 11/27/2005 |
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hmm thats sound almost 200KW with and exhuast, thats where im hoping fori may have to change EX manifold to make it fit if i do i will probably go straight to turbo, so probably another 2-3months of work, but hopefuly it will fit, and be NA for ahwile 
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John Dixon
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493 posts
300ZX-TT Z32
Birmingham UK
11-16-2004
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| « Re: (Mattbacon) | 12:56 AM 11/28/2005 |
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Stay NA, sooooo much nicer than turbos
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Mattbacon
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22 posts
7-26-2005
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| « Re: (John Dixon) | 11:47 PM 11/30/2005 |
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but 200KW wont be enuf for long at alli want well in excess of 300RW KW so i think turbo wud be a good way to go
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Ezekial

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355 posts
2001 Nissan 200SX S15
Newcastle NSW
11-28-2004
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the only way to go 
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Mattbacon
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22 posts
7-26-2005
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| « Re: (Ezekial) | 6:16 PM 12/10/2005 |
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so no dyno's??!?!!?sumbody must have been on one!!!
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