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10-02-2009, 05:53 AM
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#91
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Senior Member
Join Date: Jun 2009
Posts: 2,509
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Quote:
Originally Posted by enkeivette
Nope. I have a knocklite, but it doesn't work with my big cam... Need to ebay it.
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Can you get one to work with your setup? When I datalog my Eclipse, thats one of the main things Im looking at when I make my timing adjustments.
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93 GMC Typhoon: new money pit/PITA. Now GT3788R powered.
Boost, because sometimes atmospheric pressure just isn't enough.
"If it has tit's or tires, you can be pretty sure your going to have problems with them..."
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10-13-2009, 12:18 PM
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#92
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Super Moderator
Join Date: Dec 2007
Posts: 6,850
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Installed the 29 IFRs over the stock 36s. Cruise around town now is right around 14.6:1, idle is right around 14.8:1. Cruise on the highway has gone up to mid 13s from mid 12s. I'm not sure how I can lean out the highway cruise without leaning out the idle/ low speed cruise. I might just have to live with the mid 13s in 6th gear.
Drilled some main jets with a 7/64ths drill (close to 91 size) from the 88s that were installed and the AFR at WOT actually got a few tenths leaner. The hole is larger than the 88 hole but I must have not drilled it clean which prob causes it to flow less. I think I'll try 80s and 94s next time.
The smaller IFRs actually make up somewhat for the huge primary main jets at part throttle. Really made acceleration smoother and leaner.
Also, doing a high speed run my bowls ran out of fuel... I think my mech fuel pump might have to retire. I'm going to up the level on the floats for now for a cheap fix.
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I <3 forced induction.
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10-13-2009, 12:21 PM
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#93
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Neanderthal
Join Date: Mar 2008
Posts: 5,320
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Quote:
Originally Posted by enkeivette
Installed the 29 IFRs over the stock 36s. Cruise around town now is right around 14.6:1, idle is right around 14.8:1. Cruise on the highway has gone up to mid 13s from mid 12s. I'm not sure how I can lean out the highway cruise without leaning out the idle/ low speed cruise. I might just have to live with the mid 13s in 6th gear.
Drilled some main jets with a 7/64ths drill (close to 91 size) from the 88s that were installed and the AFR at WOT actually got a few tenths leaner. The hole is larger than the 88 hole but I must have not drilled it clean which prob causes it to flow less. I think I'll try 80s and 94s next time.
The smaller IFRs actually make up somewhat for the huge primary main jets at part throttle. Really made acceleration smoother and leaner.
Also, doing a high speed run my bowls ran out of fuel... I think my mech fuel pump might have to retire. I'm going to up the level on the floats for now for a cheap fix.
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When drilling jets bevel the top and bottom opening for cleaner flow.
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64 Vette Roadster 400 ci
1990 F150 351 ci SuperCharged
48 Harley Pan Head 76 ci
2016 Nissan Altma
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10-13-2009, 01:47 PM
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#94
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Super Moderator
Join Date: Dec 2007
Posts: 6,850
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I will, good idea.
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I <3 forced induction.
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10-13-2009, 02:30 PM
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#95
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Fast & Filthy
Join Date: Jun 2008
Posts: 3,840
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Also know that when you increase the level in the floats it tends to richen up the mixture slightly.
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10-13-2009, 02:31 PM
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#96
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Super Moderator
Join Date: Dec 2007
Posts: 6,850
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Quote:
Originally Posted by 94cobra69ss396
Also know that when you increase the level in the floats it tends to richen up the mixture slightly.
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I did know that. Any idea how high I can bring the levels up before I f something up?
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I <3 forced induction.
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10-13-2009, 02:40 PM
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#97
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Fast & Filthy
Join Date: Jun 2008
Posts: 3,840
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Quote:
Originally Posted by enkeivette
I did know that. Any idea how high I can bring the levels up before I f something up?
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Not sure what you mean. |
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10-13-2009, 03:33 PM
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#98
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Super Moderator
Join Date: Dec 2007
Posts: 6,850
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There are 3 lines in the sight glass. Typically you're supposed the bring the fuel level to the middle line, I've heard of recommendations to take it to the top line, but never beyond that. I'm wondering how much fuel I can allow it to fill up without flooding some passage way in the metering block, etc.
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I <3 forced induction.
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10-13-2009, 03:56 PM
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#99
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Fast & Filthy
Join Date: Jun 2008
Posts: 3,840
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Quote:
Originally Posted by enkeivette
There are 3 lines in the sight glass. Typically you're supposed the bring the fuel level to the middle line, I've heard of recommendations to take it to the top line, but never beyond that. I'm wondering how much fuel I can allow it to fill up without flooding some passage way in the metering block, etc.
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It could also slosh out the vent tube if it's too high. This is a common problem with Holleys on 4x4s. |
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10-13-2009, 06:16 PM
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#100
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Super Moderator
Join Date: Dec 2007
Posts: 6,850
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Quote:
Originally Posted by 94cobra69ss396
It could also slosh out the vent tube if it's too high. This is a common problem with Holleys on 4x4s.
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Firetastic.
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I <3 forced induction.
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