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Search: Posts Made By: 91L98Z28
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Forum: DIY PROM
02-19-2023, 01:15 AM
Replies: 68
Views: 1,723
Posted By 91L98Z28

Re: Dangerously Close to Switching to a Carb

A win is a win, and if flipping back to 100% CL brings about improvements, that's great. With that said, I would take the opportunity to work on refining the VE tables and other aspects of the tune...
Forum: DIY PROM
02-14-2023, 05:38 PM
Replies: 68
Views: 1,723
Posted By 91L98Z28

Re: Dangerously Close to Switching to a Carb

My gut instinct tells me you're fighting a mechanical issue, not a tuning/ECM one. Something intermittently wrong with fuel pressure regulation (regulator? pump? vac hoses?) or a vacuum leak (why...
Forum: Transmissions and Drivetrain
06-18-2022, 04:44 PM
Replies: 4
Views: 273
Posted By 91L98Z28

Re: 1-2 accumulator housing / cover, 700r4 vs 4l60e

I will be doing the piston/spring stack in the same way that is stock for the '91 700r4: piston into the accumulator housing first, with the spring(s) between the piston and the separator plate. The...
Forum: Transmissions and Drivetrain
06-18-2022, 02:48 AM
Replies: 4
Views: 273
Posted By 91L98Z28

1-2 accumulator housing / cover, 700r4 vs 4l60e

Will the 1-2 accumulator housing from a 4l60e bolt to and work on a 700r4? I know the pin diameter will be different (thus necessitating the proper pin and piston with matching diameter), but other...
Forum: Engine/Drivetrain/Suspension Parts for Sale
09-14-2018, 10:33 PM
Replies: 2
Views: 1,177
Posted By 91L98Z28

Re: Accel lower TPI superram intake base

Still available.
Forum: Engine/Drivetrain/Suspension Parts for Sale
09-10-2018, 11:39 PM
Replies: 2
Views: 1,177
Posted By 91L98Z28

Accel lower TPI superram intake base

true Accel lower TPI intake. Ported.

Because it's been ported, you may need to use a touch of silicone on the runner gaskets to keep them in place. previous owner said it wasn't a problem for him....
Forum: Engine/Drivetrain/Suspension Parts for Sale
03-26-2018, 03:21 PM
Replies: 5
Views: 2,119
Posted By 91L98Z28

Re: Lingenfelter / Accel billet 1000cfm 58mm throttle body

I don't have the inlet.

Here's a photo of the linkage.
Forum: Southern California Area
01-15-2018, 12:20 PM
Replies: 14
Views: 3,101
Posted By 91L98Z28

Re: SLP headers - EO number - smog test

Mine has one, but it just has SLP stamped into it - nothing further.

I'm considering going to a laser engraver to get a professionally done engraving of the EO number and part number, but there...
Forum: Southern California Area
01-12-2018, 04:53 PM
Replies: 14
Views: 3,101
Posted By 91L98Z28

SLP headers - EO number - smog test

Has anyone failed smog in the past year or so due to not having an EO number stamped into their SLP (or other brand) smog legal headers? Apparently this is a change in law in the past year or so.
...
Forum: DIY PROM
10-04-2015, 07:55 PM
Replies: 2
Views: 876
Posted By 91L98Z28

2000 truck "black box" 454 PCM, Z06 injector data

It's been many years since I've done much tuning; most of my experience is with $8D and $0D. A friend is asking for help with a 2000 truck (7.4L 454 engine, not LSx based). Truck is all stock...
Forum: Southern California Area
09-19-2015, 02:56 AM
Replies: 10
Views: 22,693
Posted By 91L98Z28

Re: smog fail - modified/tampered - question

My experience ended up being the same as Dyno Don.

Took it elsewhere to a guy whom I assume was not a Camaro enthusiast. Passed with no issues whatsoever.
Forum: Southern California Area
09-05-2015, 11:52 PM
Replies: 10
Views: 22,693
Posted By 91L98Z28

Re: smog fail - modified/tampered - question

That's just the rules of the state. If it's not certified (doesn't have a state-issued Exemption Order number) then it's not allowed, period.

The lower manifold does have an EO number (I'll have...
Forum: Southern California Area
09-05-2015, 09:30 PM
Replies: 10
Views: 22,693
Posted By 91L98Z28

smog fail - modified/tampered - question

I had a smog check done today and failed for the first time in the 12 years I've owned the car. it failed visual only because the smog tech recognized my accel intake and rare arizona speed & marine...
Forum: Southern California Area
04-12-2013, 11:43 PM
Replies: 1
Views: 642
Posted By 91L98Z28

SLP CARB E.O. Sticker

If anyone could post a picture of an SLP CARB E.O. sticker - especially for their TPI runners or headers - It would help me out a lot.

Thanks!!
Forum: Northern California
04-12-2013, 11:43 PM
Replies: 4
Views: 2,095
Posted By 91L98Z28

SLP CARB E.O. Sticker

If anyone could post a picture of an SLP CARB E.O. sticker - especially for their TPI runners or headers - It would help me out a lot.

Thanks!!
Forum: Brakes
12-24-2012, 01:16 AM
Replies: 173
Views: 71,032
Posted By 91L98Z28

Re: "Spongy" pedal. No Air in Lines. Master Cylinder?

third gen iron front calipers are low drag and require the quick take up master.
Forum: Brakes
12-23-2012, 01:32 AM
Replies: 173
Views: 71,032
Posted By 91L98Z28

Re: "Spongy" pedal. No Air in Lines. Master Cylinder?

There is definitely something "indirect" about the GM power brake booster in terms of a panic "slam the brakes" stop vs. a controlled, slower approach to applying the brakes - as you mentioned, you...
Forum: Exhaust
10-24-2012, 10:31 AM
Replies: 126
Views: 89,861
Posted By 91L98Z28

Re: More than you ever wanted to know about BACKPRESSURE...

There is quite a bit of misunderstanding going on.

An engine can run just fine with no overlap - there is no requirement to have overlap. In fact, way back when (100+ years ago) the 4-strokes...
Forum: DIY PROM
10-07-2012, 11:46 AM
Replies: 3
Views: 1,029
Posted By 91L98Z28

Re: TBI crosscount speed slower than TPI? $0D vs. $8D

Thanks guys. it's helpful to know this is normal.
Forum: DIY PROM
10-05-2012, 01:54 PM
Replies: 3
Views: 1,029
Posted By 91L98Z28

TBI crosscount speed slower than TPI? $0D vs. $8D

I am working on a $0D application, stock 350 TBI in a pickup.

One of the things I have noticed is that the O2 crosscount speed is MUCH slower than what I am used to - but the only thing I am used...
Forum: Brakes
04-13-2012, 12:16 AM
Replies: 4
Views: 1,701
Posted By 91L98Z28

Ed - FlynBye brakes

Has anyone talked to Ed these past few months? I have not been able to get ahold of him.
Forum: Brakes
04-08-2012, 03:41 AM
Replies: 111
Views: 20,916
Posted By 91L98Z28

Re: Ed 13" Wilwood 4 Piston kit review, with track time

Has anyone been able to get ahold of Ed lately?
Forum: Wheels and Tires
03-12-2012, 11:30 PM
Replies: 1
Views: 1,516
Posted By 91L98Z28

g-Force Sport COMP-2 - new tires in 245-50-16!

Haven't seen it mentioned here yet - BFG is releasing a new line of Gforce Sport tires known as the COMP-2, and they will come in 245-50-16.

They look more or less like a standard GForce Sport...
Forum: Wheels and Tires
02-02-2012, 01:05 AM
Replies: 3
Views: 729
Posted By 91L98Z28

Re: new USA made F1 GS-D3 vs. old non-USA made?

anyone? :burnout:
Forum: Brakes
01-30-2012, 09:57 AM
Replies: 3
Views: 1,750
Posted By 91L98Z28

Re: C4 13 inch brake upgrade is done (finally!)

I am in the process of ordering C4HD's myself and I have this exact plan of using "rear" offset wheels on the front to negate the increased width from the brakes.

Can you tell us what the outcome...
Forum: Brakes
01-19-2012, 04:04 PM
Replies: 173
Views: 71,032
Posted By 91L98Z28

Re: "Spongy" pedal. No Air in Lines. Master Cylinder?

Are these any particular/specific aftermarket calipers, do they bolt on in replacement of the stock caliper?

Switching to a 4th gen straight bore master and 2.75" single piston non-low-drag front...
Forum: Brakes
01-17-2012, 12:01 PM
Replies: 173
Views: 71,032
Posted By 91L98Z28

Re: "Spongy" pedal. No Air in Lines. Master Cylinder?

great info on the step bore master.

I have OFTEN wondered if the step bore is a contribution to the general sucky brakes that a thirdgen has.

I've noticed that if I very gradually apply the...
Forum: Wheels and Tires
01-17-2012, 10:21 AM
Replies: 3
Views: 729
Posted By 91L98Z28

new USA made F1 GS-D3 vs. old non-USA made?

Has anyone had a set of the old F1 GS-D3's and replaced them with a set of the new USA made ones, and if so, have you noticed any differences?
Forum: DIY PROM
08-17-2011, 09:29 AM
Replies: 100
Views: 19,949
Posted By 91L98Z28

Re: o2 contants

ack, you are of course right. 0.05V = 50mV.

With your WBO2 in the Y, it's reading the entire engine, whereas the NBO2 is reading only one bank. It is pretty common for the averaged AFR on each...
Forum: DIY PROM
08-17-2011, 12:06 AM
Replies: 100
Views: 19,949
Posted By 91L98Z28

Re: o2 contants

5mV (or 0.05 volts, what I assume you meant) is not going to make much of a difference.

When your WBO2 is reading 12.x-13.x, is your NBO2 actually generating crosscounts? That is quite a ways...
Forum: Northern California
07-05-2011, 12:07 PM
Replies: 4
Views: 521
Posted By 91L98Z28

Re: 4th gen torsen 2 series for local pickup

sacramento.

i regularly get to fairfield, roseville, and elk grove.
Forum: Northern California
07-05-2011, 01:51 AM
Replies: 4
Views: 521
Posted By 91L98Z28

Re: 4th gen torsen 2 series for local pickup

series 2 is 2.73 and 3.08.
series 3 is 3.23, 3.42, 3.73, etc.

so the series 2 is great for someone with 2.73 or 3.08 gears.
Forum: Northern California
07-04-2011, 11:05 AM
Replies: 4
Views: 521
Posted By 91L98Z28

4th gen torsen 2 series for local pickup

I have a 2 series torsen out of a 4th gen, have not used it, I misread the numbers when I bought it (I need a 3 series).

$50 for someone local so I don't have to ship it
Forum: Northern California
07-04-2011, 11:02 AM
Replies: 5
Views: 417
Posted By 91L98Z28

Re: I need a 10 bolt

sent a PM to steves1967 to see if he still has it.

I can't use a 4th rear, sorry, i want the stock width.
Forum: Northern California
06-27-2011, 10:14 PM
Replies: 5
Views: 417
Posted By 91L98Z28

Re: I need a 10 bolt

sure there are, I just thought I'd check in and see if someone local had one sitting in their garage that they wanted to make a few bucks off of first...
Forum: Northern California
06-27-2011, 05:23 PM
Replies: 5
Views: 417
Posted By 91L98Z28

I need a 10 bolt

looking for a stock 3rd gen 10 bolt rear housing. don't need gears or anything else, I've got gears and a torsen ready to go. must be unwrecked, unbent, undamaged.

somewhere along I80 or I5...
Forum: Transmissions and Drivetrain
06-16-2011, 05:00 PM
Replies: 16
Views: 6,829
Posted By 91L98Z28

Re: Is a 2500 stall too much for my car?

No. It will feel "slippy" but the car will definitely move well below 2100rpm, especially if you get a good converter (a high quality, smaller diameter converter like a vigilante or yank)

you can...
Forum: Engine/Drivetrain/Suspension Parts for Sale
06-15-2010, 01:41 AM
Replies: 3
Views: 558
Posted By 91L98Z28

Re: 2002 Zexel Posi unit

PM sent
Forum: DIY PROM
05-15-2010, 04:00 AM
Replies: 4
Views: 1,931
Posted By 91L98Z28

Re: O2 volts at WOT a rough estimate of Air/Fuel Ratio?

while trusting a NBO2 to be accurate enough to fine tune WOT AFR may be rather questionable, it seems pretty clear cut that you're going lean in this one.
Forum: DIY PROM
05-15-2010, 04:00 AM
Replies: 9
Views: 905
Posted By 91L98Z28

Re: Help.very lean mixture in 70-85C range

if the Rich/Lean flag is toggling, then you're generating crosscounts and you should be close to a normal AFR.

in addition to checking the operating temp fuel trims (BLM/INT) as already suggested,...
Forum: DIY PROM
05-15-2010, 03:52 AM
Replies: 4
Views: 1,549
Posted By 91L98Z28

Re: 16197427 PCM...how to disable DFCO

a datalog woudl help verify if you are even in DFCO or if the problem is something else.

it's possible you have funky VE entries at the high-vacuum end of the table.

or some funky timing values...
Forum: Exhaust
04-05-2010, 08:31 AM
Replies: 11
Views: 7,920
Posted By 91L98Z28

Re: SLP headers - E.O. / CARB sticker?

bump

anyone ever fabricated an e.o. sticker from scratch?
Forum: Aftermarket Product Review
03-07-2010, 01:40 PM
Replies: 12
Views: 9,929
Posted By 91L98Z28

Re: door weatherstripping check this out

anybody else used these new style weatherstrips with the metal reinforced ends? who makes them, what is the mfgr part number? how is the fit at the front of the doors (i.e. at the A-pillar)??
Forum: Body
03-07-2010, 01:12 PM
Replies: 3
Views: 1,063
Posted By 91L98Z28

Re: soffseal weatherstrip for doors: bad fit?

I emailed them on their website about the problem and a week later, no reply.

annoying!
Forum: Body
02-27-2010, 01:11 AM
Replies: 3
Views: 1,063
Posted By 91L98Z28

soffseal weatherstrip for doors: bad fit?

I ordered a weatherstrip kit from year one with soffseal door stripping a month or two ago...

The molded piece by the A-pillar seems to be attached to the strip at a rather weird angle, has anyone...
Forum: Exhaust
10-12-2009, 09:00 PM
Replies: 11
Views: 7,920
Posted By 91L98Z28

Re: SLP headers - E.O. / CARB sticker?

perhaps if someone could post a high quality scan of a valid E.O. sticker, we could have some reproduced for "restoration" reasons, that is if SLP doesn't have them still.

Wish they had an Email...
Forum: Exhaust
10-12-2009, 04:29 PM
Replies: 11
Views: 7,920
Posted By 91L98Z28

SLP headers - E.O. / CARB sticker?

I'm getting ready to install some SLP headers I bought ages ago through a Spohn group purchase, but in going through the materials that came with them..I don't seem to have an E.O. sticker. No...
Forum: DIY PROM
07-18-2009, 07:33 PM
Replies: 4
Views: 978
Posted By 91L98Z28

Re: BJYM.bin, 0D, Converter not locking

i believe BJYM is for a federal 1995 truck - and i believe that the 95 has the PWM TCC, whereas your 94 truck likely has a non-PWM TCC. That is likely the source of the problem, i think.

I don't...
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