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Search: Posts Made By: Black 91 Z28
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Forum: Alternative Port EFI Intakes
02-09-2007, 08:54 PM
Replies: 31
Views: 6,052
Posted By Black 91 Z28

Wow...I never caught that either. I'll be...

Wow...I never caught that either. I'll be swapping plugs real soon too! Thanks!!!
Forum: DIY PROM
09-05-2005, 12:47 AM
Replies: 41
Views: 3,116
Posted By Black 91 Z28

As per the golf ball, the dimples cause the...

As per the golf ball, the dimples cause the boundary layer to go turbulent earlier which delays seperation to further back on the ball which drops the drag on the ball.

As per the post, keep it...
Forum: DIY PROM
08-24-2005, 02:38 PM
Replies: 7
Views: 945
Posted By Black 91 Z28

S_AUJP SA and Vortecs

Has anyone tried running the spark tables from Traxion's SUJP with Vortec heads? I'm running it now and it seems to work well. I had to take a degree or two out at WOT but other than it seems ok. ...
Forum: Tech / General Engine
08-23-2005, 10:17 AM
Replies: 8
Views: 771
Posted By Black 91 Z28

Headers and exhaust would be a good place to...

Headers and exhaust would be a good place to start. Then of course anything you could do on the intake side would help.
Forum: TPI
08-12-2005, 01:09 AM
Replies: 6
Views: 709
Posted By Black 91 Z28

This is a dyno from my car after Hooker 2055...

This is a dyno from my car after Hooker 2055 headers, single 3" catco cat, and Hooker cat back.
Forum: DIY PROM
08-11-2005, 02:05 PM
Replies: 18
Views: 8,181
Posted By Black 91 Z28

I'm trying to sort out my Vortec timing table as...

I'm trying to sort out my Vortec timing table as well. JPrevost, what do you mean when you say the timing table is "flat"? I know what "flat" is but do you mean constant timing in a given region? ...
Forum: DIY PROM
08-09-2005, 02:02 PM
Replies: 18
Views: 8,181
Posted By Black 91 Z28

Not sure if this'll be of any use but thought I'd...

Not sure if this'll be of any use but thought I'd post it anyways. This is the stock spark table from a buddies 96 Z28 (AL LT1 heads) with manual trans.
Forum: Tech / General Engine
07-16-2005, 07:55 PM
Replies: 5
Views: 910
Posted By Black 91 Z28

I think you should see a steady fluctuating...

I think you should see a steady fluctuating change in the guage if there is an intake leak. AKA the needle should jump around between two marks.
Forum: Tech / General Engine
07-15-2005, 11:53 AM
Replies: 5
Views: 910
Posted By Black 91 Z28

When my intake gasket went I had vaccum in the...

When my intake gasket went I had vaccum in the crankcase. So, when I took the oil cap off I could hear and feel suction. Don't know if it'll help in your case but figured I'd post.
Forum: Tech / General Engine
07-12-2005, 01:39 PM
Replies: 23
Views: 1,060
Posted By Black 91 Z28

I've never had a problem changing the plugs. Get...

I've never had a problem changing the plugs. Get a deep offset 5/8" wrench. Its not expensive and makes the job easier.
Forum: TPI
07-09-2005, 04:48 AM
Replies: 19
Views: 2,714
Posted By Black 91 Z28

Yes, it works quite well.

Yes, it works quite well.
Forum: TPI
07-05-2005, 02:00 AM
Replies: 3
Views: 434
Posted By Black 91 Z28

You should probably start with the exhaust. Some...

You should probably start with the exhaust. Some good gains to be made there and it'll help other mods that you do. Might also want to look into prom burning. You can tweak some stuff to help...
Forum: DIY PROM
06-07-2005, 10:26 PM
Replies: 14
Views: 970
Posted By Black 91 Z28

Look for the aujp bin if you've got an auto.

Look for the aujp bin if you've got an auto.
Forum: Tech / General Engine
06-04-2005, 08:27 PM
Replies: 12
Views: 621
Posted By Black 91 Z28

Not sure if SK does or not...but Craftsman does...

Not sure if SK does or not...but Craftsman does not warrentee thier Torque wrenches like other hand tools.

WaaX: No Prob
Forum: Tech / General Engine
06-03-2005, 11:33 AM
Replies: 12
Views: 621
Posted By Black 91 Z28

http://www.harborfreight.com/cpi/ctaf/Displayitem....

http://www.harborfreight.com/cpi/ctaf/Displayitem.taf?itemnumber=239

It usually not this cheap in the stores though.
Forum: Tech / General Engine
06-03-2005, 03:01 AM
Replies: 4
Views: 610
Posted By Black 91 Z28

Mod for mod the LS1 will make more power. Not to...

Mod for mod the LS1 will make more power. Not to mention is starts with more power. But, the mod for mod the cost will be higher on the LS1.
Forum: Tech / General Engine
06-03-2005, 02:58 AM
Replies: 12
Views: 621
Posted By Black 91 Z28

Try to find a beam type torque wrench. They're a...

Try to find a beam type torque wrench. They're a lot cheaper than the clicker types. That or there is the $20 clicker type they sell at Autozone and Harbor Freight. Not sure of thier accuracy but...
Forum: Tech / General Engine
05-28-2005, 08:19 PM
Replies: 24
Views: 1,108
Posted By Black 91 Z28

This is the breather tube on the other valve...

This is the breather tube on the other valve cover. I think it could be replaced with a breather.
Forum: Tech / General Engine
05-28-2005, 08:18 PM
Replies: 24
Views: 1,108
Posted By Black 91 Z28

Here's some pics off of my car. I know it's not...

Here's some pics off of my car. I know it's not the same but you should get the idea. The pcv valve is circled and the hose runs to a vaccum source in the manifold.
Forum: DIY PROM
05-28-2005, 10:59 AM
Replies: 47
Views: 4,991
Posted By Black 91 Z28

Yes, I think so.

Yes, I think so.
Forum: DIY PROM
05-27-2005, 12:20 AM
Replies: 47
Views: 4,991
Posted By Black 91 Z28

I made a new datastream. You may have to tweek...

I made a new datastream. You may have to tweek the equation a bit. To do this I took the WB and set it to always display a constant voltage no matter what. Then look at the output on the WBO2...
Forum: Tech / General Engine
05-26-2005, 01:50 AM
Replies: 1
Views: 425
Posted By Black 91 Z28

It could be that the O2 sensor is bad and whoever...

It could be that the O2 sensor is bad and whoever had the car last didn't feel like fixing it. Try replacing it and seeing is it helps. Alternatively, if you have a scantool you can see if the O2...
Forum: DIY PROM
05-25-2005, 09:44 PM
Replies: 47
Views: 4,991
Posted By Black 91 Z28

No, putting math into Tunerpro is very simple. ...

No, putting math into Tunerpro is very simple. Pick the item to edit and it'll show a section to edit the values. Select the right form of the equation...It looks just like the formula but the...
Forum: DIY PROM
05-25-2005, 09:28 PM
Replies: 47
Views: 4,991
Posted By Black 91 Z28

I didn't replace my stock O2 with the WB. ...

I didn't replace my stock O2 with the WB. Sorry...
Forum: DIY PROM
05-25-2005, 02:31 PM
Replies: 47
Views: 4,991
Posted By Black 91 Z28

I've had luck using Mike Davis' WB hac and the...

I've had luck using Mike Davis' WB hac and the LM-1 when using tunerpro and putting the following equation in Tunerpro for the "Target AFR".

([X*-0.037994]+34.78)

Settings for the LM-1
...
Forum: Tech / General Engine
05-20-2005, 10:26 AM
Replies: 12
Views: 1,113
Posted By Black 91 Z28

Here ya go. ...

Here ya go.
http://www.chevyhiperformance.com/techarticles/148_0507_vortec/
Forum: Tech / General Engine
05-19-2005, 06:59 PM
Replies: 4
Views: 634
Posted By Black 91 Z28

No water leaked into it. Best I can tell the...

No water leaked into it.
Best I can tell the center part of the gasket started moving out. I torqued it down incrementally so I'm not sure what happened.
Forum: Tech / General Engine
05-17-2005, 07:54 PM
Replies: 4
Views: 634
Posted By Black 91 Z28

pic

pic
Forum: Tech / General Engine
05-17-2005, 07:53 PM
Replies: 4
Views: 634
Posted By Black 91 Z28

Blown Intake Gasket

After diagnosing an intake manifold gasket problem I've removed intake to find what looks like the gasket has been blown out around the 3,4,5, and 6. I was expecting that the gasket would have been...
Forum: Tech / General Engine
05-13-2005, 04:49 PM
Replies: 4
Views: 1,043
Posted By Black 91 Z28

I've found a cap for a 94 cavalier will fit my...

I've found a cap for a 94 cavalier will fit my car. They're vented too.
Forum: Tech / General Engine
05-06-2005, 11:05 AM
Replies: 4
Views: 517
Posted By Black 91 Z28

Thanks for the replies. Apparantly you and I are...

Thanks for the replies. Apparantly you and I are the oly ones to have oil leaks. I don't think it's normal wear on the valve seals since the heads I put on this xmas were brand new. The cylinders...
Forum: Tech / General Engine
05-05-2005, 02:52 PM
Replies: 4
Views: 517
Posted By Black 91 Z28

Fatal Error??

Was talking to a friend of mine and he made a suggestion. Over Xmas I put new heads on the car. I didn't touch the short block. He thought it was possible I could have blown a ring with the fresh...
Forum: Tech / General Engine
05-05-2005, 02:49 PM
Replies: 28
Views: 2,128
Posted By Black 91 Z28

Sorry about posting the same thing. I figured...

Sorry about posting the same thing. I figured someone would post on it but I didn't see any when I looked.
Forum: Tech / General Engine
05-04-2005, 06:43 PM
Replies: 28
Views: 2,128
Posted By Black 91 Z28

HRM: Bore vs Stroke Article

The latest Hot Rod Magazine (June 2005) did an article on Bore vs Stroke by building two virtually identical BB engines with different bores and strokes. 4.560x3.766 vs 4.280x4.250 Peak and average...
Forum: Tech / General Engine
05-04-2005, 11:38 AM
Replies: 4
Views: 517
Posted By Black 91 Z28

Vanishing Oil

I keep having to add a quart of oil to my car once every two weeks and I don't know where its going. My car doesn't smoke when running, theres no sign of oil in the coolant, none of the plugs look...
Forum: Parts for Sale 2006
04-18-2005, 09:38 AM
Replies: 7
Views: 443
Posted By Black 91 Z28

I'll pass. Thanks.

I'll pass. Thanks.
Forum: Parts for Sale 2006
04-18-2005, 12:15 AM
Replies: 7
Views: 443
Posted By Black 91 Z28

Whats the lowest you'll take for them? I'm gonna...

Whats the lowest you'll take for them? I'm gonna need to get some spindles but don't need them right now. But for a good price I'll get em now.
Forum: Tech / General Engine
04-15-2005, 12:26 AM
Replies: 4
Views: 524
Posted By Black 91 Z28

Where did your heads come from? The ~.450 number...

Where did your heads come from? The ~.450 number is for the stock heads with the stock seals that were used in production. Could be you've got some different seals.
Forum: Parts for Sale 2006
04-13-2005, 01:10 AM
Replies: 58
Views: 2,903
Posted By Black 91 Z28

Just wanted to say that I got my brackets in...

Just wanted to say that I got my brackets in today. They look great. Thanks!

PS He also ships Priority mail with delivery confirmation.
Forum: Parts for Sale 2006
04-07-2005, 11:58 PM
Replies: 58
Views: 2,903
Posted By Black 91 Z28

Paid for mine too. They're going fast!

Paid for mine too. They're going fast!
Forum: TPI
04-02-2005, 10:13 PM
Replies: 10
Views: 998
Posted By Black 91 Z28

Have you done a basic tune up on it? A bad O2...

Have you done a basic tune up on it? A bad O2 sensor could be causing the crummy idle in closed loop. I'd try to find an original Prom for it but the Hypertech one should run it "ok".

Look...
Forum: Parts for Sale 2006
04-02-2005, 10:00 PM
Replies: 58
Views: 2,903
Posted By Black 91 Z28

I'd like some too and await your post on the next...

I'd like some too and await your post on the next batch!
Forum: Tech / General Engine
03-23-2005, 11:16 AM
Replies: 3
Views: 840
Posted By Black 91 Z28

Ah, good to see its working well. Thanks

Ah, good to see its working well.

Thanks
Forum: Tech / General Engine
03-22-2005, 04:48 PM
Replies: 3
Views: 840
Posted By Black 91 Z28

Charcoal Canister Operation

I was working on the my car today and had it idleing for long enough to get up to temp. When I shut it off I heard a huming sound coming from around the charcoal canister. It seemed to be the small...
Forum: Tech / General Engine
03-21-2005, 11:42 PM
Replies: 14
Views: 1,476
Posted By Black 91 Z28

I've heard before that gas mileage will drop if...

I've heard before that gas mileage will drop if you goto a lower octane. So, be sure you keep track of you mileage if you run a lower octane. Just for comparrison...

Let assume a fill up of 14.5...
Forum: Tech / General Engine
03-21-2005, 09:41 PM
Replies: 14
Views: 1,476
Posted By Black 91 Z28

Do you know how much should it be retarded?

Do you know how much should it be retarded?
Forum: Tech / General Engine
03-21-2005, 09:35 PM
Replies: 10
Views: 490
Posted By Black 91 Z28

Yeah....Small Comp Cam 210/220 @0.050

Yeah....Small Comp Cam 210/220 @0.050
Forum: Tech / General Engine
03-20-2005, 12:17 AM
Replies: 10
Views: 490
Posted By Black 91 Z28

I usually get 12-13mpg in the city but that is...

I usually get 12-13mpg in the city but that is with short trips and stop/go traffic. I manage 26mpg on the highway though.
Forum: Tech / General Engine
03-08-2005, 05:38 PM
Replies: 7
Views: 692
Posted By Black 91 Z28

Cool! Thanks for posting them.

Cool! Thanks for posting them.
Forum: Tech / General Engine
03-07-2005, 07:07 PM
Replies: 31
Views: 4,529
Posted By Black 91 Z28

I think you're thinking of the bolts in the pic...

I think you're thinking of the bolts in the pic labeled "4". They're small and require a size 10 or 11mm socket.
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