As I have said before, you should see way less boost than me and out do me WHP wise, so once those pistons seal up nicely... dis gun b good.
140+ traps? |
12/14
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Interesting guesses. I'm debating on who I want to retune the car. RPM would likely cut me a deal but they are far away and I wasn't pleased how they handled a friends car. TTP is on my list but I will cry a bit since they use a mustang dyno so lower numbers may be a result. I could always jump on a dynojet later to see the difference though. I would just like an apples to apples comparison though.
Matt - Why would I see less boost with a better ring seal? 140 traps may be possibru especially if I may some more power, drive the car better and drop a lil weight. |
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lulz, round. |
In theory, better ring seal (with no other changes) will give you slightly more power and definitely control the oil 10x better (or more). Boost might change slightly - maybe 1/2 psi or less.
But changing the cam profile will either let more air into the heads (lowering boost slightly), or it may even stay the same - with no other changes. You might also have more bleed off with a larger cam. Not like I'm an expert, but I'll guess 760/695 as your number. |
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What everyone is forgetting is that the piston was contacting about 37% of the surface area in the bore (I rounded, shoot me) and that the increased friction of a circular bore will thus slow the piston's travel time down considerably. This, as obvious as it sounds, will slow the car down significantly. Sure, you might gain a +5hp per circular bore but you will slow the rotating assembly which is never a good thing.
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My point is that being able to rev fast is not be all end all. Now if Brian's engine picks up 40hp just from the improved ring sealing, it will easily overcome the increase in friction - at least in 3rd gear and above. Couple that with a little better breathing from the updated cam profile and (maybe) some more boost, no contest... A 383 with 20lbs of boost doesn't need to rev like a banshee to move the car - area under the curve does that on its own. Amen |
I was kinda kidding :lol:
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Didn't think you were... |
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More progress this weekend which included:
- Filled trans with oil - Mounted a/c compressor, belt tensioner - Installed new header collector gaskets and resealed y-pipe connection - New custom front brake lines installed - Courtesy of Adam - Vacuum line and other accessory connections made/ Fittings tightened / Things hid - Courtesy of Matt - Cooling system plumbed - Wiring harness run and all connections made sans a couple items - Silly 4" 120 deg blower inlet mounted What's left: - Connect fuel lines to rail (bought new clips for safety which should be here in a couple days) - Install brake master, fill will fluid, checks for leaks and bleed - Extend the Hobbs switch wire from passenger to drivers side - Finish blower intake - Reconnect ground and power wires - Connect charge pipes from blower to intercooler - Mount new catch-can and run hoses - Re-install rad fans - Reconnect methanol lines - Install battery - Check all connections (Vacuum, wiring, etc) - Prep fire extinguisher and bake depression brownies A couple quick engine shots. Matt did a great job cleaning things up. It's still busy but it looks worlds better than it did before. http://i176.photobucket.com/albums/w...psowrbdebf.jpg http://i176.photobucket.com/albums/w...psjm2jxopm.jpg Not a great pic but Adam did a great job with the lines. The K can now be dropped (I hope not) without having to remove the brake lines. http://i176.photobucket.com/albums/w...ps7qa3alcr.jpg |
looken good... im forever jelous of your engine bay neatness
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Neatness is not the word I would use.
Overflowing would work, or stuffed to the brim. |
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Forgot to add to the list: - Install serp belt and blower belt. Tighten to provide banjo string tension. |
Oh yes, check those injectors.
You wanted a 3/4 swap right? |
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I ordered new plastic clips but should the piece be inserted into the fuel line prior to connecting it to the rail or vice versa? |
The plastic clips go on the fuel rail. The line snaps over it. You guys should have asked me for help, I'm excellent at these things.
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ditched the optimagic?
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So this happened today. Battery was a little low on charge but within about a minute of running, the car found idle pretty well. In certain points of the video, I only gave it a slight amount of throttle (10%) which brought it up to around 2.2k. Sounds louder in the video. It may be just me but I think the engine is even smoother than before.
The brakes are bled and I just need to make a few minor adjustments to the suspension, toss the wheels on and take this thing for a ride to start breaking it in. Big thanks to all the folks who helped get the car this far. I am a real happy guy. :) |
that sounds amazing
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Glad the brakes bled and didn't leak.
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