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Holley HP EFI
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10sec.et
Member


Joined: 29 Mar 2006
Posts: 3473
Location: Houston,Texas
346658.74 points


1969 Oldsmobile Cutlass

PostPosted: Wed Sep 23, 2015 10:00 pm    Post subject: Reply with quote

its funny, you're trying to get it running before it gets cold. im waiting for it to get cold so i can get running.
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af2 wrote:
It seems we can look at our magical Balls and come up with a fix?

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Paul P
Member


Joined: 15 Aug 2002
Posts: 2404
Location: Townsend, Mass.
81616.60 points


1971 Chevrolet Chevelle

PostPosted: Thu Sep 24, 2015 9:13 am    Post subject: Reply with quote

Plenty cold enough here I have seen morning temps as low as the high 30s lately. Daytime temps around 70. Nice time of year up here in the northeast.
_________________
2001 Focus 2.0 Zetec
stock cams, bolt-ons and tune
15.63@87 MPH 1/4mi

1971 - Chevelle 408 SBC N/A
6.86@102.5 MPH 1/8mi
10.78@122 MPH 1/4mi
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Big Dave
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Joined: 04 Dec 2005
Posts: 2646
Location: Tampa Florida
119973.02 points



PostPosted: Thu Sep 24, 2015 11:43 am    Post subject: Reply with quote

Paul P wrote:
Plenty cold enough here I have seen morning temps as low as the high 30s lately. Daytime temps around 70. Nice time of year up here in the northeast.


Ship some of that my way. I am sick of 90's for highs and high 70's for the lows with dew points in the mid seventies.

Only good thing is the rainy season ended last week (we are currently in contention for the fifth wettest year on record since 1859 in Tampa without any more rain fall this year), now all we have to worry about is a hotter and wetter than normal winter thanks to El Nino.

Big Dave
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Paul P
Member


Joined: 15 Aug 2002
Posts: 2404
Location: Townsend, Mass.
81616.60 points


1971 Chevrolet Chevelle

PostPosted: Mon May 09, 2016 8:45 am    Post subject: Reply with quote

10sec.et wrote:
Holley probably has the harness ready to plug in. thats one of the great things about that system. i can check into it if you need me to.


Just wanted to chime in on the harness subject. The harness is pre terminated and well labeled but the unused plugs are not capped off and Holley doesn't sell caps to protect them from the elements for future use. I'm talking about the basics like fuel and oil pressure plugs or the Aux I/O connector. The harness for the ignition is way over priced if you need just the 1 wire for a tach signal. I went online to Mouser Electronics and purchased the 12 pin and 10 pin Metri-Pak connectors with all the pins and seals for around $30 delivered. When I spoke to Holley about it the said they realized the shortcoming in this area of the product but did not have anything yet to address it.

_________________
2001 Focus 2.0 Zetec
stock cams, bolt-ons and tune
15.63@87 MPH 1/4mi

1971 - Chevelle 408 SBC N/A
6.86@102.5 MPH 1/8mi
10.78@122 MPH 1/4mi
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View user's profile Send private message
Paul P
Member


Joined: 15 Aug 2002
Posts: 2404
Location: Townsend, Mass.
81616.60 points


1971 Chevrolet Chevelle

PostPosted: Sat Nov 11, 2017 1:11 pm    Post subject: Reply with quote

Hey everyone!

Went to the track and the car was laying down in high gear due to noise from the ignition system getting into the ECU. Still ran a best of 10.78@122. When I got back from the track it was idling from normal 1100 to 2500rpm with the TPS and IAC %'s varying without any input from me. TPS would go from 0-2 or 3% and occasionally 7%. I did look at the system log and it was a mess of noise. I did move 2 major wires that needed clean power the loose red 12V wire off the engine bay harness and the switched power red w/white stripe back to the battery. This should be a major improvement since the 12V red was routed under all 8 coils and connected to the noisy battery stud in the engine compartment with the coils, cool fans, fuel pumps and starter. Sad the only way to find this out was either a dyno or track. I guess it was ok to have a little fun at the track and certainly there is a low 10 in this car for sure before spraying it. 102.5mph in the 1/8 mile should be trapping just around 130mph.

_________________
2001 Focus 2.0 Zetec
stock cams, bolt-ons and tune
15.63@87 MPH 1/4mi

1971 - Chevelle 408 SBC N/A
6.86@102.5 MPH 1/8mi
10.78@122 MPH 1/4mi
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