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| Trinten's SBC/F23 build - The work has begun! (Page 36/76) |
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ericjon262
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APR 06, 05:23 PM
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nosrac
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APR 06, 08:06 PM
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| quote | Originally posted by Trinten:
Wow... that all looks amazing. Thank you for improving my coil over setup!! |
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X2, I think he improved on everything he touched...
That super clean look is just too much for me to bear....Gur U R killin me...LOL
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fieroguru
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APR 06, 09:15 PM
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I have been updating Vince through PM's as I am working through some issues.
I have put about 20 miles on the car and have done 3 rounds of logging/adjusting in the lower levels of the MAF and VE tables to dial them in pretty decent. I haven't started the WOT tuning yet. The car has a lot more low end torque than my LS4 swap and the throttle response is a huge improvement from when it was carbed.
Been working on several small issues...leaky v-band, bad brand new idler pulley, passenger side rear caliper sprung a leak at the parking brake lever, bad clutch master cylinder.
The three more significant issues are:
1: Transmission (filled with syncromesh) gear whine in the upper 3 gears that wans't present before. It originally had a resonant vibration at highway speeds in 5th and during the tear down I found that the transmission was missing 1 dowel pin so the transmission wasn't properly centered. It now has 2 dowel pins, and the resonance is gone, but now there is gear whine. The transmission was running Royal Purple ATF, so I am planning to swap that in and see if that helps the whine.
2: The ClutchNet Clutch is super, super light pedal pressure to release. I am concerned about its ability to hold the power. It had a ClutchNet Clutch before and this is supposed to be the exact same clutch. I remember it being lighter than the one in the LS4/F40, but this is really light. I won't know how it does till I do some WOT runs.
3. There is a strange noise from the top side of the engine and I am looking at several items for potential causes.[This message has been edited by fieroguru (edited 04-06-2014).]
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Jncomutt
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APR 09, 06:58 PM
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I noticed you said you tied the engine sensors to that ground lug. I assume you meant basic grounds and not the actual sensor grounds, correct?
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fieroguru
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APR 10, 12:42 PM
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| quote | Originally posted by Jncomutt:
I noticed you said you tied the engine sensors to that ground lug. I assume you meant basic grounds and not the actual sensor grounds, correct? |
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The ground leads for the actual sensors terminate at the ECM. For instance the TPS sensor has all 3 wires going from the ECM to the TPS.
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fieroguru
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APR 12, 03:09 PM
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| quote | Originally posted by fieroguru:
The three more significant issues are:
3. There is a strange noise from the top side of the engine and I am looking at several items for potential causes.
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Here is a video where you can better hear the strange noise I was referring to and the cause (the modified HSR plenum is vibrating):
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KissMySSFiero
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APR 12, 08:44 PM
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Any idea how to fix it? I guess now you know why they have to ridges in it from the factory
Swap looks amazing.
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sleevePAPA
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APR 12, 10:57 PM
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weld up some X bracing on the underside? Could use some 1/4" round stock and I think that may keep the deflection to a minimum.
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Trinten
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APR 12, 11:34 PM
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FieroGuru gave me a suggestion in PM, I'm going to explore that, and I was thinking maybe there's some way to fabricate a metal strap that can strap down over the top and provide pressure... it would take away from the super clean look, but it would be a functional solution.
I was also thinking that maybe I can put soft rubber bumpers on the underside of the decklid, so when it's closed it would give some light downward pressure on the intake that wouldn't be a threat to damage either the decklid or the intake.
All else fails, FieroGuru suggested I look for an unmodified HSR upper intake. The lower part of the intake has been chopped down as well (if I remember correctly), so I'd need to keep that to keep it all under the Fiero decklid.
Worst case scenario.... I get some measurements of a F.I.R.S.T. intake, and see if it'll fit and see about getting that put in there.
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ericjon262
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APR 13, 12:53 AM
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| quote | Originally posted by Trinten:
FieroGuru gave me a suggestion in PM, I'm going to explore that, and I was thinking maybe there's some way to fabricate a metal strap that can strap down over the top and provide pressure... it would take away from the super clean look, but it would be a functional solution.
I was also thinking that maybe I can put soft rubber bumpers on the underside of the decklid, so when it's closed it would give some light downward pressure on the intake that wouldn't be a threat to damage either the decklid or the intake.
All else fails, FieroGuru suggested I look for an unmodified HSR upper intake. The lower part of the intake has been chopped down as well (if I remember correctly), so I'd need to keep that to keep it all under the Fiero decklid.
Worst case scenario.... I get some measurements of a F.I.R.S.T. intake, and see if it'll fit and see about getting that put in there.
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could always have a fabricator make a sheet metal plenum.
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