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Search: Posts Made By: Grim Reaper
Showing results 1 to 50 of 359
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Forum: DIY PROM
07-12-2009, 06:49 AM
Replies: 5
Views: 783
Posted By Grim Reaper

Re: secondary fan turn on temp

It's been a while since I did this, but you can also just swap the pins and then you can make your primary your "secondary" and your "secondary" your "primary", both controllable AND it's better for...
Forum: DIY PROM
06-21-2009, 06:30 AM
Replies: 4
Views: 808
Posted By Grim Reaper

Re: VE/SA theory (8d)

You want to increase your spark advance as quickly as your motor can accept it. Peak Torque is a function of your cam and intake to a large extent. A cam with a long duration and short runners (a...
Forum: DIY PROM
06-21-2009, 06:15 AM
Replies: 9
Views: 667
Posted By Grim Reaper

Re: Windows 98?

I never tried the Ostrich, but I had no difficulties with my USB extension card for other applications I used when I added it to my old Windows 98 machine. If you are using a USB extension card...
Forum: TPI
06-05-2009, 01:51 AM
Replies: 56
Views: 3,060
Posted By Grim Reaper

Re: 1988 irocz 100 original miles mint

Leaks. Actually, it's the filler pipe connecting to the tank. I'm not sure if it is still enforceable anymore. I think it is considered an "emission" issue, so it has the longest time possible.
...
Forum: DIY PROM
06-05-2009, 01:40 AM
Replies: 20
Views: 903
Posted By Grim Reaper

Re: cant stop primary fan?

Have you tried the stock prom by itself? Sometimes a bad eprom/flash prom can cause this.

Also, is your A/C on? If so, that's your problem.
Forum: DIY PROM
05-23-2009, 04:04 AM
Replies: 1
Views: 668
Posted By Grim Reaper

Re: road speed constant

For that particular change in gear ratio, you cannot change the speedo display via changes to the eprom (the bit switches work but only on MAJOR changes like using a T56 tranny).

The "Road...
Forum: Canadian Region
04-26-2009, 03:05 PM
Replies: 576
Important/Useful : Anyone from the Interior of BC?
Views: 35,726
Posted By Grim Reaper

Re: Anyone from the Interior of BC?

Unfortunately, I've hosted a barbeque a couple times in the last couple years and only a one or two people came out. I guess Kamloops is too far.
Forum: DIY PROM
04-05-2009, 02:56 AM
Replies: 15
Views: 1,842
Posted By Grim Reaper

Re: ARAP BIN FOR SUPER RAM 406???

As mentioned above, your primary tuning concern will be "maxing the MAF". A 406 will need a lot of air and while the Superram does keep the max RPMs a little lower, I would think your engine will be...
Forum: TPI
03-21-2009, 08:54 PM
Replies: 2
Views: 567
Posted By Grim Reaper

Re: Catalytic Converters and Custom PROM

If it is for your MAF 5.0, there is little changes necessary to the eprom other than properly tuning it in the first place. I helped a buddy tune his 383 and there were not that many more changes I...
Forum: DIY PROM
02-28-2009, 05:26 PM
Replies: 2
Views: 1,418
Posted By Grim Reaper

Re: Hypertech PROM Application 8100214

Sorry but unless you "download" the bin from the eprom and start to compare it to various other MAF eproms for 1989 F-bodies, you are unlikely to find out. Typically their are very few changes from...
Forum: DIY PROM
02-25-2009, 07:25 PM
Replies: 2
Views: 637
Posted By Grim Reaper

Re: Can I run my stock prom with these mods.PLEASE I just want to hear it run!MOTIVAT

MAF cars can measure the airflow changes due to modifications very well. Generally, any tweaks are to the MAF Scalar Tables, and they tend to be relatively minor.

Injector/pressure changes WILL...
Forum: DIY PROM
02-19-2009, 05:48 PM
Replies: 7
Views: 1,628
Posted By Grim Reaper

Re: $6e changes for 160 thermostat

Many hot rodders, especially with a "wet manifold" type system believe "the hotter the better", and I'm inclined to agree as the heat does assist with atomization.

TPI, with it's massive "heat...
Forum: DIY PROM
02-06-2009, 10:00 PM
Replies: 8
Views: 3,263
Posted By Grim Reaper

Re: Reasons for not hitting 100 kpa MAP

The only time I've seen 100kpa (or slightly higher) was at sea level on a high pressure day (about 103kpa) with the engine off. That was the same reading at our local airport.

WOT I could only...
Forum: DIY PROM
02-06-2009, 09:52 PM
Replies: 7
Views: 1,628
Posted By Grim Reaper

Re: $6e changes for 160 thermostat

Again, most of the "technical info" suggest that a HOT ENGINE is the best setup for performance. The "cooler t-stat" came about because of all the metal the TPI setup has, as well as the use of the...
Forum: DIY PROM
01-31-2009, 03:29 AM
Replies: 7
Views: 1,628
Posted By Grim Reaper

Re: $6e changes for 160 thermostat

The biggest changes will be in your fan settings. Stock, the fans kick in around 210* and stop around 200*. With a 160, you need the fans to start kicking in around 175-180* and stop at 165-170*. ...
Forum: DIY PROM
12-28-2008, 10:54 AM
Replies: 13
Views: 2,082
Posted By Grim Reaper

Re: wb o2 vs nb o2 tuning

A Narrow Band O2 Sensor was developed to be primarily a "Switching Device". This topic has been discussed numerous times in the past and if you look at some of the past articles, there is even a...
Forum: DIY PROM
11-03-2008, 07:26 PM
Replies: 6
Views: 876
Posted By Grim Reaper

Re: WB tuneing?

Not in WOT and especially if it's rich (which 108 is). The ecm does add some fuel if it detects a lean condition; but it only helps correct, it doesn't alter to give an optimum tune. And, if the...
Forum: DIY PROM
10-26-2008, 10:35 AM
Replies: 6
Views: 876
Posted By Grim Reaper

Re: WB tuneing?

That is correct BUT 128/128 is only desirable when you only have a NB to tune. WB is best for tuning your P/E (when you are in basically in open loop) and/or when you want to run in open-loop all...
Forum: Canadian Region
09-01-2008, 04:25 AM
Replies: 15
Views: 1,253
Posted By Grim Reaper

Re: FS 1991 Z28

Try $25-30K before taxes when these cars were brand new (depending on equipment).
Forum: Canadian Region
09-01-2008, 04:18 AM
Replies: 15
Views: 910
Posted By Grim Reaper

Re: How much is this worth?

The important thing when buying an old car (and all of these are) is the mechanical condition and rust. As well, depending on where you live, the availablity of these cars. The guys quoting $5K are...
Forum: DIY PROM
08-31-2008, 11:39 AM
Replies: 4
Views: 2,104
Posted By Grim Reaper

Re: PERFORMANCE CHIP????

Invest the time to learn and burn your own. Even if a person has an IDENTICAL setup as yours, the same identical eprom may not be optimum. As well, most "performance eproms" ONLY concentrate on...
Forum: DIY PROM
08-31-2008, 11:35 AM
Replies: 24
Views: 2,356
Posted By Grim Reaper

Re: Car Goes 35 MPH without any gas?

Could also be a faulty/misadjusted Throttle Position Sensor.
Forum: DIY PROM
08-23-2008, 04:39 PM
Replies: 5
Views: 1,229
Posted By Grim Reaper

Re: Hypertech memcal for SD swap

EXACTLY what Bob said. MOST of the aftermarket "chips" for SD cars are "piggy-backs" and require you to plug your stock memcal into it for the Netres circuitry (for your limp mode) to work. So make...
Forum: DIY PROM
08-20-2008, 09:41 PM
Replies: 8
Views: 890
Posted By Grim Reaper

Re: new to this, tried reading through the stickies but im lost

No one laughs at new people asking questions - we ALL were newbies at one time. So welcome and don't be afraid to ask anything (except getting someone else to tune your car...that's a no-no).

As...
Forum: DIY PROM
08-09-2008, 03:33 AM
Replies: 10
Views: 1,596
Posted By Grim Reaper

Re: closed vs open loop

When you tune for Edmonton, you won't even be able to tune the upper kpa regions of your tables regardless of which method you use. In WOT, you'll never hit higher than the mid 80s kpa.

The only...
Forum: DIY PROM
08-09-2008, 03:20 AM
Replies: 10
Views: 1,596
Posted By Grim Reaper

Re: closed vs open loop

I think it depends on how big the mountains are and how much the variation you experience. Where I live, I can go from sea level to almost 6,000 feet in a couple of hours driving on a route I...
Forum: DIY PROM
08-09-2008, 03:08 AM
Replies: 4
Views: 882
Posted By Grim Reaper

Re: Need Prom

For MAF cars, most of the aftermarket Memcals will work. I suggest you go to an Aftermarket Parts store and start there. A Hyperjunk will work. And then you can look at re-progamming it. Just...
Forum: DFI and ECM
07-28-2008, 05:59 PM
Replies: 1
Views: 569
Posted By Grim Reaper

Re: chip problems...

No. That's a restriction from the original programming due to the tires installed on the car. The only fix is to get the chip reprogrammed.
Forum: DFI and ECM
07-27-2008, 06:31 PM
Replies: 8
Views: 974
Posted By Grim Reaper

Re: Possible fried prom

Sounds like you have some form of an electronic/mechanical issue somewhere.

Based on what you are saying, it just may be the VATS module. I've never suffered THAT problem (one of the few). When...
Forum: DIY PROM
07-27-2008, 06:20 PM
Replies: 2
Views: 519
Posted By Grim Reaper

Re: got me a sony laptop

Yes you need the proper definition file to match the calibration of the eprom you plan to modify. As well, you need software that can monitor the ECM for datalogging. I use Diacom but I got it in...
Forum: DIY PROM
07-27-2008, 06:15 PM
Replies: 3
Views: 684
Posted By Grim Reaper

Re: A better place to start...

There are no coincidences.
Forum: DFI and ECM
07-25-2008, 09:35 PM
Replies: 8
Views: 974
Posted By Grim Reaper

Re: Possible fried prom

PS: Hypertech memcals for SD cars will not work. They ONLY have the eprom - they do not have any "netres" circuitry (because of the miriad of different "netres" used on each SD car) ... so...
Forum: DFI and ECM
07-25-2008, 09:27 PM
Replies: 8
Views: 974
Posted By Grim Reaper

Re: Possible fried prom

That AUJP Memcal SHOULD have worked - especially if you burned your regular 305 bin on it. But even if not, a bone stock AUJP Memcal on an SD 305 wtih a 5speed should start the car (just not run...
Forum: DIY PROM
07-25-2008, 09:16 PM
Replies: 3
Views: 684
Posted By Grim Reaper

Re: A better place to start...

I cannot speak specifically about your bin as I have not worked with it. But I have worked with a number of other bins, including some trucks. While most of the time, I am tuning for power, there...
Forum: DIY PROM
07-25-2008, 09:03 PM
Replies: 10
Views: 880
Posted By Grim Reaper

Re: Need some T.B.I. help

A truck is also what I want for my next daily driver. I was toying with the idea of either an older truck and converting it to FI (and preferrably the 4L60E) or just getting a more modern truck that...
Forum: Alternative Port EFI Intakes
07-24-2008, 05:54 PM
Replies: 104
Views: 9,384
Posted By Grim Reaper

Re: Mini ram = JUNK please read on. . .

You cannot imagine how many guys on the DIY Prom Board came because TPIS could NOT get it tuned right. Worst, once they learned and checked what TPIS did...they were STUNNED how little TPIS actually...
Forum: DIY PROM
07-24-2008, 05:39 PM
Replies: 10
Views: 880
Posted By Grim Reaper

Re: Need some T.B.I. help

Yes, I remember you when I use to do a lot of posting on the Tech/General Board.

So, do you have everything figured out now?
Forum: DIY PROM
07-24-2008, 05:25 PM
Replies: 14
Views: 1,569
Posted By Grim Reaper

Re: wideband 02. What is the point?

That is only true at low rpms, not high rpms. I base this on a number of vehicles with various ECMs and some pretty lopey cams (solid roller 248/256 @ .050 with a 110* LCA).

I tend to not worry...
Forum: DIY PROM
07-22-2008, 08:56 PM
Replies: 30
Views: 1,653
Posted By Grim Reaper

Re: Failed smog :(

If BOTH your HC and NOx are failing, there is NOTHING you can do with tuning to make it pass.

With tuning, you can "trade" HC for NOx and vice versa. BUT NOT BOTH.

This suggests that...
Forum: DIY PROM
07-22-2008, 01:45 PM
Replies: 10
Views: 1,596
Posted By Grim Reaper

Re: closed vs open loop

Also when GM designed these bins, they also were going to invoke "Highway Mode/Lean Mode" but subsequently did not (believed because of the EPA and NOx issues).

The HM tables were the opposite and...
Forum: DIY PROM
07-20-2008, 10:56 AM
Replies: 2
Views: 844
Posted By Grim Reaper

Re: Replacing MAF Sensor - go back to stock tables?

I would just "tweak" your existing Tables. I say this because I have found even BONE STOCK cars can benefit with a little tuning of the tables. Most of the "differences" probably have more to do...
Forum: DIY PROM
07-20-2008, 10:47 AM
Replies: 10
Views: 1,596
Posted By Grim Reaper

Re: closed vs open loop

Actually, closed loop works quite often. People use open loop for a variety reasons INCLUDING developing your "base tune" and then invoking Closed Loop once they built their Open Loop VE Fuel Map. ...
Forum: DIY PROM
07-07-2008, 08:16 PM
Replies: 39
Views: 3,358
Posted By Grim Reaper

Re: Tuning my 383HSR. Idle questions 6E

I haven't seen a Holly TB, but the IAC screw is really just a mechanical "idle stop" for the throttle linkage on the TBs I've seen (GM and BBK). The "disconnecting" of the IAC electronics is just...
Forum: DIY PROM
07-07-2008, 08:04 PM
Replies: 7
Views: 823
Posted By Grim Reaper

Re: HSR v MR Tuning

Unfortunatley, heat soak is a problem with ALL of these intakes. I can attest that even the MR also soak up a lot of heat too. The MR being one big casted piece of aluminum makes it quite the heat...
Forum: DIY PROM
07-06-2008, 08:27 PM
Replies: 7
Views: 823
Posted By Grim Reaper

Re: HSR v MR Tuning

First, it will depend on whether it's MAF or SD. For MAF, the differences won't be too much (other than rpm cut-off speeds if you use that). This is provided that you do not "max the MAF". If you...
Forum: DIY PROM
07-06-2008, 08:18 PM
Replies: 39
Views: 3,358
Posted By Grim Reaper

Re: Tuning my 383HSR. Idle questions 6E

One thing people forget to do, is bump up the manual idle speed via the IAC Screw. This is the idle speed the ECM would go to IF you got certain codes and went into "Safe Mode". It will also be the...
Forum: DIY PROM
07-05-2008, 08:59 PM
Replies: 6
Views: 3,891
Posted By Grim Reaper

Re: 2nd cooling fan on pin F8 for $8D - it works!

I also changed the parameters so the Second Fan became my Primary Fan. This way, when I turn on the A/C, it provides better cooling.

Also, for "emergency", you can always wire a manual switch in...
Forum: DIY PROM
07-05-2008, 08:52 PM
Replies: 39
Views: 3,358
Posted By Grim Reaper

Re: Tuning my 383HSR. Idle questions 6E

Also, make sure you physically re-adjust the IAC as well as bring the Idle speed up with the Desired Idle vs Temp table.

This was all we had to do for a buddy`s solid roller 383 with a Miniram. ...
Forum: DIY PROM
06-18-2008, 03:04 AM
Replies: 4
Views: 724
Posted By Grim Reaper

Re: How many pings are acceptable?

First make sure everything is tight and maybe listen a bit.

Before you start "reducing spark"...especially if you have a stock bin with stock timing (both manually set at the distributor and...
Forum: Tech / General Engine
06-17-2008, 12:30 AM
Replies: 11
Views: 1,172
Posted By Grim Reaper

Re: POLL: Stuck between 2 cams.

Sorry, but TPIS is overrate and overly expensive. TPIS is very helpful and knowledgeable until they get your money.

I forget the part number but Comp Cams have a 218/224 with a 112* LSA Roller...
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