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Search: Posts Made By: Low C1500
Showing results 1 to 50 of 499
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Forum: Carburetors
08-01-2005, 11:18 PM
Replies: 10
Views: 3,281
Posted By Low C1500

Timing table

Timing table
Forum: Carburetors
08-01-2005, 11:16 PM
Replies: 10
Views: 3,281
Posted By Low C1500



Forum: Carburetors
08-01-2005, 11:16 PM
Replies: 10
Views: 3,281
Posted By Low C1500

I have been meaning to unhook my secondarys, to...

I have been meaning to unhook my secondarys, to test things out. Here is my timing table. I have played with adding and retarding timing to find the sweet spot.
Forum: Carburetors
07-31-2005, 10:56 AM
Replies: 10
Views: 3,281
Posted By Low C1500

Ye no EGR, I still use the EFI computer to...

Ye no EGR, I still use the EFI computer to control timing, so the map sensor respondsvery fast to vac changes. I have changed my timing to reflect a more tipical carb'd setup, and moved the map...
Forum: Carburetors
07-25-2005, 11:38 PM
Replies: 10
Views: 3,281
Posted By Low C1500

If I back the pump off, it will bog. Should...

If I back the pump off, it will bog.

Should I try for the highest vaccum at idle?
Forum: Carburetors
07-25-2005, 10:57 PM
Replies: 10
Views: 3,281
Posted By Low C1500

Need help with rich idle (edelbrock 750)

Ok first off I have the carb setup pretty good, I have good off idle response, and good midrange, and wot. Edelbrock 1411.

Now the problem is in order to have a nice off idle transition to part...
Forum: DIY PROM
07-25-2005, 07:14 PM
Replies: 8
Views: 9,995
Posted By Low C1500

That is sort of what I was origanlly going to do....

That is sort of what I was origanlly going to do. But instead of a vaccum swith, I was just going to run my map sensor output into my ECM tps input. And when the map went above say 80kpa, the TCC...
Forum: DIY PROM
07-24-2005, 03:38 PM
Replies: 8
Views: 9,995
Posted By Low C1500

I like the switch idea. I'm going to grab a...

I like the switch idea. I'm going to grab a level style TPS from the wreckers today, and see if I can fab something up.
Forum: DIY PROM
07-24-2005, 01:12 PM
Replies: 8
Views: 9,995
Posted By Low C1500

I was running a TBI setup, then I bolted on a...

I was running a TBI setup, then I bolted on a carburator, and kept the computer to run everything, but fuel (ie: spark, and TCC).

Most people who convert from TBI to a carburator, pull the...
Forum: DIY PROM
07-24-2005, 10:43 AM
Replies: 8
Views: 9,995
Posted By Low C1500

I didn't know this, I'll have have to do some...

I didn't know this, I'll have have to do some searhing.
Forum: DIY PROM
07-23-2005, 08:22 PM
Replies: 8
Views: 9,995
Posted By Low C1500

Need help mounting TPS on a carb

Does anyhave have an example of how to mount a TPS on a carb. I have an Edelbrock. I am trying to think of a way to mount it on the secondary blades (my secondarys open at approx 65% throttle). ...
Forum: Carburetors
07-23-2005, 12:07 AM
Replies: 7
Views: 2,937
Posted By Low C1500

Just run an ignition Hot wire to the fuel pump...

Just run an ignition Hot wire to the fuel pump relay + signal. The factory relay + signal wire is usually orange/black, so verify this, then cut this wire off afew inches form the relay, and connect...
Forum: TBI
07-22-2005, 12:17 AM
Replies: 38
Views: 2,412
Posted By Low C1500

Sounds like a sweet setup, Have you gotten your...

Sounds like a sweet setup, Have you gotten your hands on Rrobs ultimate code? If your ruuning stock code, and you can make it pull hard to 6500rpm with no poping, you'll be a better tuner than me.
...
Forum: TBI
07-22-2005, 12:05 AM
Replies: 24
Views: 821
Posted By Low C1500

Re: wow, nice improvment!!

That doesn't sound very good for doing ultimate TBI mods, and cutting out muffler. A bone stock 305tbi auto truck can run in the 16's, and thats 1000lbs heavier than your car, with the aerodynamics...
Forum: Carburetors
07-22-2005, 12:00 AM
Replies: 7
Views: 2,937
Posted By Low C1500

The TBI fuel pump is run off a relay. This relay...

The TBI fuel pump is run off a relay. This relay is signaled by the ECM and oil pump pressure switch. This is why the pump runs for couple seconds after key turned off, because there is still oil...
Forum: DIY PROM
07-10-2005, 09:13 PM
Replies: 6
Views: 930
Posted By Low C1500

Really good post.... ...

Really good post....


https://www.thirdgen.org/techbb2/showthread.php?s=&threadid=210850
Forum: Carburetors
07-09-2005, 12:40 AM
Replies: 9
Views: 11,657
Posted By Low C1500

Check idle mixture screw setting, and fuel...

Check idle mixture screw setting, and fuel pressure (possible too high).
Forum: DIY PROM
07-09-2005, 12:35 AM
Replies: 9
Views: 5,332
Posted By Low C1500

Do you mean 1228746 vs 1227747. As far as I...

Do you mean 1228746 vs 1227747.

As far as I know there is no 1228747
Forum: Carburetors
07-07-2005, 11:07 PM
Replies: 12
Views: 1,275
Posted By Low C1500

I would just get a one wire O2 sensor. The...

I would just get a one wire O2 sensor.

The 3/4 wire heated O2 are better and more $$. Heated is nice for EFI vehicles. But its not needed for carbs, since you don't want to read what your AFR is...
Forum: Carburetors
07-05-2005, 12:01 AM
Replies: 11
Views: 7,205
Posted By Low C1500

Be careful with Air to Fuel ratio indicators. ...

Be careful with Air to Fuel ratio indicators.

I know from my own experience that if you engine goes really rich really fast, sometimes some cylinders will quit firing. This cause lots of unburnt...
Forum: Carburetors
07-02-2005, 11:09 PM
Replies: 14
Views: 908
Posted By Low C1500

You might need a looser stall, than 2300, due to...

You might need a looser stall, than 2300, due to the mechanicle secondarys. I think 750 is a good fit for your combo. Just make sure its tunned really well. Big carbs on small blocks don't leave...
Forum: Carburetors
06-30-2005, 08:41 PM
Replies: 23
Views: 20,512
Posted By Low C1500

Did you play with the step up springs, the ones...

Did you play with the step up springs, the ones the carbs come with are based on a mild cam.
Forum: Carburetors
06-29-2005, 11:46 PM
Replies: 23
Views: 20,512
Posted By Low C1500

You shouldn't compare a new carb, to one you...

You shouldn't compare a new carb, to one you bought used.
Forum: Carburetors
06-26-2005, 12:16 AM
Replies: 23
Views: 20,512
Posted By Low C1500

You've got a very similar setup to mine. I've...

You've got a very similar setup to mine. I've never ran the 600cfm carb, only the 750.

Once I got the 750 tunned, it ran great with my motor. I personally would never go with a 600, after...
Forum: TBI
06-24-2005, 07:13 PM
Replies: 13
Views: 770
Posted By Low C1500

Not really, Diesel performance takes up most of...

Not really,
Diesel performance takes up most of my time/money. Its pretty fun going through a mud hole with 1200 ft/lbs of torque.
Forum: TBI
06-24-2005, 09:04 AM
Replies: 13
Views: 770
Posted By Low C1500

2-3 mpg, but its not my daily driver, I only put...

2-3 mpg, but its not my daily driver, I only put on 300 miles a year. So when I do drive it, I tend to be little heavy on the throttle.
Forum: TBI
06-23-2005, 05:45 PM
Replies: 13
Views: 770
Posted By Low C1500

Don't get me wrong, If I was going make a 300hp...

Don't get me wrong, If I was going make a 300hp daily driver, I would stick with TBI.

My fuel mileage is down a little.
Forum: TBI
06-20-2005, 08:55 PM
Replies: 13
Views: 770
Posted By Low C1500

Its been posted bofore that the 454 tbi can only...

Its been posted bofore that the 454 tbi can only support about 360 fwhp.

So I bolted on the 750 4barrel, and it felt like I gained about 50-60 hp.
Forum: TBI
06-15-2005, 06:30 PM
Replies: 13
Views: 770
Posted By Low C1500

I did it all myself, lots of hours. The thing...

I did it all myself, lots of hours. The thing that made it difficult is the slow sample rate of my ECM, the newer ECM's sample about 8x faster. Which would make tunning 10x faster and easier.
...
Forum: TBI
06-13-2005, 07:26 PM
Replies: 13
Views: 770
Posted By Low C1500

The tbi pump is different than tpi, niether pump...

The tbi pump is different than tpi, niether pump is regulated by voltage ( they both get a full 12v).
Forum: TBI
06-05-2005, 12:29 AM
Replies: 24
Views: 1,130
Posted By Low C1500

Your intake will have 1/2" npt ports for temp...

Your intake will have 1/2" npt ports for temp sensor, get a 3/8" by 1/2" bushing.
Forum: TBI
06-04-2005, 12:15 AM
Replies: 25
Views: 964
Posted By Low C1500

The combo you listed could yeild 360fwhp with say...

The combo you listed could yeild 360fwhp with say a 600cfm carb. Now with the tbi, it will probably be around 320fwhp. Enough to get you into the 13s. The combo you listed is pretty well matched...
Forum: TBI
05-30-2005, 08:43 PM
Replies: 4
Views: 609
Posted By Low C1500

The guy just seems to ramble on and on.

The guy just seems to ramble on and on.
Forum: Carburetors
05-29-2005, 07:31 PM
Replies: 47
Views: 7,470
Posted By Low C1500

Do you have any way to tell your exhaust air to...

Do you have any way to tell your exhaust air to fuel reading. I mean do you use an O2 sensor to tune with?

Me I use a stock one wire O2 sensor, and a digital voltmeter. This tells me really fast...
Forum: Carburetors
05-19-2005, 12:07 AM
Replies: 12
Views: 870
Posted By Low C1500

Note sure how close your motor would be to mine...

Note sure how close your motor would be to mine but....

I went with .110 primary, .107 secondary ( I think thats the stock jets for the 750) and #1450 rods. Left the springs the same and and...
Forum: TBI
05-18-2005, 09:21 AM
Replies: 10
Views: 2,377
Posted By Low C1500

My bad, I thought in the first post it was LT1...

My bad, I thought in the first post it was LT1 vs. LT4 hot cam, not ZZ4.
Forum: TBI
05-18-2005, 12:15 AM
Replies: 10
Views: 2,377
Posted By Low C1500

LT1 cam is going to be easier to tune, it'll be...

LT1 cam is going to be easier to tune, it'll be nice for a daily driver. (I assume the 383 will be TBI).
Forum: DIY PROM
05-18-2005, 12:10 AM
Replies: 2
Views: 503
Posted By Low C1500

Bad O2 sensor?

Bad O2 sensor?
Forum: DIY PROM
05-16-2005, 11:08 PM
Replies: 0
Views: 1,305
Posted By Low C1500

Anyone got pics of a TPS mounted on a carb?

I'm trying to get ideas/pictures of how to mount the TPS to my edelbrock carb. I'm using the 747 for everything but fuel. And since I have an auto with TCC, I really need to get the TPS working.
Forum: Tech / General Engine
05-14-2005, 07:16 PM
Replies: 3
Views: 824
Posted By Low C1500

I'm not a pro porter/polisher, but I got great...

I'm not a pro porter/polisher, but I got great results from porting my vortecs. I went as far as I could in opening up the intake and exhaust ports.

I run the 268 HE, 1.6rr
Forum: TBI
05-14-2005, 07:10 PM
Replies: 12
Views: 3,270
Posted By Low C1500

The new large port vortecs look pretty sweet. ...

The new large port vortecs look pretty sweet. But I think there a little over $1000 for an assembled pair.
Forum: DIY PROM
05-12-2005, 11:15 PM
Replies: 10
Views: 872
Posted By Low C1500

You'll have to change your name now. 383TransAm ...

You'll have to change your name now. 383TransAm


How much cam you got?
Forum: TBI
05-10-2005, 08:50 AM
Replies: 10
Views: 684
Posted By Low C1500

I would say closer to 330hp, and 400tq. Trucks...

I would say closer to 330hp, and 400tq. Trucks are a brick wall going down the quarter.
Forum: TBI
05-10-2005, 12:20 AM
Replies: 10
Views: 684
Posted By Low C1500

I ran a 268 high energy, stock swirl heads, tbi,...

I ran a 268 high energy, stock swirl heads, tbi, and intake. The thing was a tourque monster. Died at 5000rpm though.
Forum: TBI
05-10-2005, 12:14 AM
Replies: 6
Views: 661
Posted By Low C1500

I really don't think its worth the hassel on a...

I really don't think its worth the hassel on a stock 305. As 24x7 said money will be better spent on prom tunning.
Forum: DIY PROM
05-10-2005, 12:11 AM
Replies: 8
Views: 803
Posted By Low C1500

Try a keep the gtech runs similar (out side temp,...

Try a keep the gtech runs similar (out side temp, engine up temp).
Forum: Tech / General Engine
05-08-2005, 12:26 AM
Replies: 6
Views: 2,210
Posted By Low C1500

And if you get that setup running well, you'll...

And if you get that setup running well, you'll see 13's at best.
Forum: Tech / General Engine
05-08-2005, 12:25 AM
Replies: 6
Views: 2,210
Posted By Low C1500

No chip work? Your crazy to do major motor...

No chip work?

Your crazy to do major motor work, and use a stock top end.

If you get the whole tbi blower kit, you'd be alright. Lots of money though. And you'll only see 300fwhp.
Forum: Tech / General Engine
05-08-2005, 12:19 AM
Replies: 5
Views: 632
Posted By Low C1500

230-260hp

230-260hp
Forum: DIY PROM
05-08-2005, 12:11 AM
Replies: 12
Views: 1,132
Posted By Low C1500

Too much timing?

Too much timing?
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