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Search: Posts Made By: SB406
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Forum: DIY PROM
02-23-2011, 08:14 AM
Replies: 7
Views: 1,276
Posted By SB406

Re: Knock Sensor

Yeah, this thread is old.... Really old. But, I'm bumping it.

Does anybody else have some different solutions? I'm dealing with block hugger headers that make using the block coolant plugs...
Forum: TBI
11-10-2010, 01:12 PM
Replies: 78
Views: 44,465
Posted By SB406

Re: Large cap HEI for TBI engine

Bumping an OLD thread. The above quote has me curious.
Say I have an old school SBC with an HEI vacuum advance, coil in cap dizzy. Electronic ignition, not points. OK, now I want to put a TBI...
Forum: TBI
08-02-2010, 02:21 PM
Replies: 24
Views: 1,712
Posted By SB406

Re: Tune help for new Cam

Very interresting. How far did you lower the values? Did you change the kickdown adder steps at all?
Forum: TBI
08-02-2010, 01:54 PM
Replies: 24
Views: 1,712
Posted By SB406

Re: Tune help for new Cam

I didn't mess with the Coolant Vs. IAC steps table. I did try adding more kickdown steps, but it didn't help. I was unaware of the different IAC shapes. I will have to look into that. The harness...
Forum: TBI
08-02-2010, 01:00 PM
Replies: 24
Views: 1,712
Posted By SB406

Re: Tune help for new Cam

I had a chance to play with this some more this weekend, with some success.

I moved the %TPS for idle threshold up and raised the high MAP error limit value. The truck will now start and idle...
Forum: TBI
07-20-2010, 03:56 PM
Replies: 24
Views: 1,712
Posted By SB406

Re: Tune help for new Cam

Yes, I could live with 40 if it stayed running, but since it NEVER goes below 40, it has me scratching my head. TPS is not adjustable. As you said, I expected between .5 and .55 volts for the TPS....
Forum: DIY PROM
07-20-2010, 03:21 PM
Replies: 2
Views: 773
Posted By SB406

Re: % TPS Equation

Excellent. Everything makes so much more sense now. Especially, the last post of the IAC logic Tuning Guidebook article up in the stickies.
Forum: TBI
07-20-2010, 03:10 PM
Replies: 24
Views: 1,712
Posted By SB406

Re: Tune help for new Cam

Thank you.
I will have to test that next time I'm working on it. (It's my buddy's motor.)

Right now, I'm chasing the theory that the Throttle blades are open too far and The TPS is knocking it...
Forum: TBI
07-20-2010, 02:36 PM
Replies: 24
Views: 1,712
Posted By SB406

Re: Tune help for new Cam

Thanks for the response. What do you actually change in the bin lock OL idle? Just change the O/L enable & disable RPM's?
Then just tune The O/L AFR table with the Wideband?

If I get a Closed...
Forum: DIY PROM
07-20-2010, 02:07 PM
Replies: 2
Views: 773
Posted By SB406

% TPS Equation

First off-
1227747, $42 Mask, TBI, TunerproRT

I know that within Tunerpro, I can play with the TPS ALDL data to get a % TPS value.
For example, Something along the lines of N=0-255 (A/D)...
Forum: TBI
07-19-2010, 09:49 AM
Replies: 24
Views: 1,712
Posted By SB406

Re: Tune help for new Cam

I think I found part of my answer in the HAC.

;

Still wondering if this code can prevent the ECM from controlling the idle properly...
Forum: TBI
07-19-2010, 09:39 AM
Replies: 24
Views: 1,712
Posted By SB406

Re: Tune help for new Cam

Old post, but...

Do you know if this is the same for a 1227747?
Do you know the address for me MAP error limit?

I'm working on a big cammed 383 and can't get the idle quite right. The IAC...
Forum: TBI
07-08-2010, 10:29 AM
Replies: 2
Views: 859
Posted By SB406

Re: no squirt at injectors

Check to see if you have power to the injectors. IIRC The Throttle body vehicles run 12v steady to the injectors with the key on and fire them via ground through the computer. Could be as simple as a...
Forum: TBI
07-08-2010, 10:24 AM
Replies: 5
Views: 862
Posted By SB406

Re: TB Spacer Question

Don't waste your money, IMO.
We played with one on a dyno with a built 4.3L. The motor was running a bored TB and 350 injectors. We tuned the chip to get the AFR's correct, and making the most...
Forum: DIY PROM
07-07-2010, 03:48 PM
Replies: 33
Views: 14,812
Posted By SB406

Re: dual tbi 454

Interesting.
Do you have DFCO enabled?
Forum: DIY PROM
07-07-2010, 03:15 PM
Replies: 33
Views: 14,812
Posted By SB406

Re: dual tbi 454

I don't know if I'll ever actually do it. It's just a thought that has been bouncing around in my head. I like the dual TB idea, but wanted to get around the throttle response issues.
As far as...
Forum: DIY PROM
07-07-2010, 02:22 PM
Replies: 33
Views: 14,812
Posted By SB406

Re: dual tbi 454

I did the chip in the 4.3L Zuk Buggy that ran out there with you guys. I heard this thing sounded like a cannon when it got there, but straightened out? How'd it end up running overall?

I've...
Forum: DIY PROM
04-29-2010, 10:18 AM
Replies: 10
Views: 1,475
Posted By SB406

Re: SA curve vs compression

On the dyno, we watched knock sensor, WB AFR and individual exhaust port pyrometers. The motor is rigid mounted in a rock crawler, so once we determined that there was no knock, we decided to...
Forum: DIY PROM
04-29-2010, 09:53 AM
Replies: 10
Views: 1,475
Posted By SB406

Re: SA curve vs compression

Little clarification on above post ^^^^^^

The motor that we had 38* all in on was running L31 Vortec heads, which I understand can tolerate that kind of SA.

My question relates more to the 58cc...
Forum: DIY PROM
04-27-2010, 02:06 PM
Replies: 10
Views: 1,475
Posted By SB406

Re: SA curve vs compression

No. Not a typo. 38* @ 2000 RPM.
On the dyno, we tried 36, 38, & 40* all in by 2K. Made the most power at 38*.

RBob,
Thanks for the info.
Forum: DIY PROM
04-26-2010, 02:59 PM
Replies: 10
Views: 1,475
Posted By SB406

Re: SA curve vs compression

Maybe it's my settings, but I don't see your sig.
Forum: DIY PROM
04-26-2010, 09:43 AM
Replies: 10
Views: 1,475
Posted By SB406

SA curve vs compression

First off, I've been reading/ searching for a couple of days on this topic, but can't find what I need. I've read Rober Raucher's article on using a 7747 for spark only. This was an excellent read...
Forum: DIY PROM
01-29-2010, 04:10 PM
Replies: 6
Views: 3,115
Posted By SB406

Re: datalogging 8747 in winALDL - need help deciphering

Awesome. Thanks. Exactly what I needed to know.
Forum: DIY PROM
01-29-2010, 01:40 PM
Replies: 3
Views: 1,524
Posted By SB406

Re: AutoProm, WBO2, A/d Inputs, & ALDL Stream...

Just to follow up-
In the 1227747, Channel 3 of the APADC comes in on byte 21.
7747 has a 20 byte datastream.
Forum: DIY PROM
01-29-2010, 01:33 PM
Replies: 6
Views: 3,115
Posted By SB406

Re: datalogging 8747 in winALDL - need help deciphering

Is this a direct plug in, pin for pin?

I have a 7747 harness and ECM in my truck and it had a mechanical speedo with an optical VSS on the back of the speedo head.

My buddy's 8747 harness has...
Forum: DIY PROM
01-15-2010, 01:56 PM
Replies: 3
Views: 1,524
Posted By SB406

Re: AutoProm, WBO2, A/d Inputs, & ALDL Stream...

Thanks!
Forum: DIY PROM
01-13-2010, 11:53 AM
Replies: 3
Views: 1,524
Posted By SB406

AutoProm, WBO2, A/d Inputs, & ALDL Stream...

I've been searching and have read the info on moates' site for modifying the .ads file in TunerPro to pick up the extra autoprom APADC inputs. I'm going to use mine to log WBO2 readings in TunerProRT...
Forum: Exterior Parts for Sale
12-23-2009, 01:48 PM
Replies: 4
Views: 444
Posted By SB406

Re: 83 Z28 T-Tops - $75

I still have these. Make an offer. I might try sledding on one this winter if they're still in my basement.
Forum: DIY PROM
12-23-2009, 10:48 AM
Replies: 3
Views: 1,148
Posted By SB406

Re: Another VSS / Pk/Nt Question

2 1/2 years later....
Part 2 of this question...
New Rock Crawler, but same concept as above. How does a Manual transmission bin deal with the VSS? Does it always watch it? The auto bin doesn't...
Forum: TPI
12-23-2009, 09:48 AM
Replies: 32
Views: 2,555
Posted By SB406

Re: De-sensitising the kncok sensor??

I know this is an old post, but I just found it while searching, so I figured I'd throw in my $.02.
I had a noisy cut gear drive in one of my motors that would cause false knock to be detected. I...
Forum: Exterior Parts for Sale
08-19-2009, 09:20 AM
Replies: 4
Views: 444
Posted By SB406

Re: 83 Z28 T-Tops - $75

Make an offer.
Forum: Exterior Parts for Sale
08-15-2009, 04:47 PM
Replies: 4
Views: 444
Posted By SB406

Re: 83 Z28 T-Tops - $75

Yes I do.
Forum: Exterior Parts for Sale
04-27-2009, 09:35 AM
Replies: 4
Views: 444
Posted By SB406

83 Z28 T-Tops - $75

I have a set of glass T-Tops off I think an '83 Z-28. Let me know if you want pics of the latches or anything since I'm not up on all of the differences year to year.
$75 or Best Offer
I'm in 14120
Forum: Exterior Parts for Sale
01-21-2008, 10:29 AM
Replies: 2
Views: 331
Posted By SB406

Re: 83 Z28 T-tops & rear glass

rear glass busted & gone.
Still have tops.
Forum: Exterior Parts for Sale
01-02-2008, 09:44 AM
Replies: 2
Views: 331
Posted By SB406

Re: 83 Z28 T-tops & rear glass

This car will be sent to the press on Saturday. The rear glass will still be in it.
Forum: Exterior Parts for Sale
12-21-2007, 12:53 PM
Replies: 2
Views: 331
Posted By SB406

83 Z28 T-tops & rear glass

Like title says.
$75 for tops
$100 for rear glass.
Near Buffalo, NY
No shipping.
Forum: DIY PROM
04-10-2007, 08:24 AM
Replies: 3
Views: 1,148
Posted By SB406

Re: Another VSS / Pk/Nt Question

Thanks!
That's exactly what I wanted to know. I'll re-read that sticky too.
Forum: DIY PROM
04-09-2007, 02:08 PM
Replies: 3
Views: 1,148
Posted By SB406

Another VSS / Pk/Nt Question

I've been searching, but I can't seem to find a straight answer to my question. No need to re-explain if somebody has a link to another topic.

I'm putting an 89 TBI 1227747 harness on a 350/...
Forum: Engine/Drivetrain/Suspension Parts for Sale
03-02-2007, 01:24 PM
Replies: 6
Views: 746
Posted By SB406

I am buying the locker.

I am buying the locker.
Forum: Engine/Drivetrain/Suspension Parts for Sale
03-01-2007, 09:59 AM
Replies: 6
Views: 746
Posted By SB406

PM sent

PM sent
Forum: DIY PROM
05-03-2006, 10:24 AM
Replies: 8
Views: 750
Posted By SB406

I just got my lc-1 installed yesterday....driver...

I just got my lc-1 installed yesterday....driver side, just down stream of the NB. I left the NB hooked up to the ecm for the time being in order to verify its accuracy or lack there of.
Read the...
Forum: TBI
01-20-2006, 01:15 PM
Replies: 2
Views: 2,705
Posted By SB406

Spread-Bore TBI

If this has been covered somewhere else, please direct me. I've been searching.......

I'm kicking around the idea of a spread bore TBI setup....It would consist of a spread bore intake machined to...
Forum: TBI
01-20-2006, 09:11 AM
Replies: 23
Views: 1,609
Posted By SB406

If you have a known problem with the intake...

If you have a known problem with the intake gasket, I'd be inclined to look for vacuum leaks. Shoot some ether around the manufold at idle and see if the engine changes RPM at all.

Have you put...
Forum: DIY PROM
01-13-2006, 01:18 PM
Replies: 3
Views: 614
Posted By SB406

Me too...

I had the EXACT same problem as Fast355. Also, the parameters you are changing are not the only thing controlling the TCC. Check this out:


http://diy-efi.org/gmecm/papers/tcc.txt

It explains...
Forum: DIY PROM
12-12-2005, 03:31 PM
Replies: 56
Views: 3,264
Posted By SB406

My $0.02

Yes...

It may be true that your stock fuel pump will not support your new setup and may need to be changed anyway, but here's some food for thought based on my own experiences.....

Before you...
Forum: TBI
10-19-2005, 03:57 PM
Replies: 7
Views: 848
Posted By SB406

Aren't there some vacuum lines that go to the...

Aren't there some vacuum lines that go to the heater box for controls, etc.? Perhaps the Other end of the vacuum line is off, but still on at the TB.

Also, take a look at your PCV valve.

Other...
Forum: DIY PROM
10-19-2005, 03:20 PM
Replies: 3
Views: 1,202
Posted By SB406

7747 batch fire...

I've been reading a lot of older posts about running TPI off a 7747 ecm and have found several different answers......

First off, if I build a tune port intake, can I run it off a 7747?
Second,...
Forum: DIY PROM
09-22-2005, 09:03 PM
Replies: 31
Views: 1,211
Posted By SB406

A useful bit of info on the 7747.....

When I started tuning, I had the same BLM=108 problem. Turns out, in the bin, there's constants for max and min BLM. Guess what the Min BLM is stock.......you guessed it....108.

The BLM is an...
Forum: DIY PROM
09-08-2005, 01:58 PM
Replies: 3
Views: 1,874
Posted By SB406

The concept Sounds do-able. The switch would be...

The concept Sounds do-able. The switch would be in the signal wire to the ecm, right? That way, the compressor clutch could operate based on compressor demand while driving, but the ecm wouldn't...
Forum: DIY PROM
09-08-2005, 12:46 PM
Replies: 41
Views: 3,110
Posted By SB406

Anybody care to elaborate on decel enlean? I see...

Anybody care to elaborate on decel enlean? I see it in the hack, but not in tunerpro. How do I use it and what does it do?

Also, getting more aggressive with DFCO means lowering both the upper...
Showing results 1 to 50 of 116
 
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