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Search: Posts Made By: jcb999
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Forum: Carburetors
12-04-2006, 08:35 PM
Replies: 9
Views: 789
Posted By jcb999

Make sure you have at least 8degrees initial...

Make sure you have at least 8degrees initial advance. Sounds like the timing is retarded.
Forum: Carburetors
11-23-2006, 06:53 PM
Replies: 10
Views: 924
Posted By jcb999

Yeah, standard band tend to be pretty slow...

Yeah, standard band tend to be pretty slow reacting. I still think the LM1 is one of the best deals around . ( I like them so much I bought the co.. oh, nevermind thats a line for different product)...
Forum: Carburetors
11-23-2006, 08:07 AM
Replies: 13
Views: 582
Posted By jcb999

http://innovatemotorsports.com/products/lm1.php

http://innovatemotorsports.com/products/lm1.php
Forum: Carburetors
11-22-2006, 05:26 PM
Replies: 3
Views: 418
Posted By jcb999

Torch bits are the general idea. You should be...

Torch bits are the general idea. You should be able to get a "pin drill" bit set at your local welding supply. They are meant to be used with your fingers. It does take a while, but you can get real...
Forum: Carburetors
11-22-2006, 05:22 PM
Replies: 10
Views: 924
Posted By jcb999

The "close limit" jets used on the holley...

The "close limit" jets used on the holley emission series are 3 digits. They have sizes down to the low 50s. They have much tighter tolerances than 2 digit jets. I would try reducing fuel pressure...
Forum: Carburetors
11-22-2006, 09:35 AM
Replies: 3
Views: 418
Posted By jcb999

that info is generally not published by holley....

that info is generally not published by holley. Id say is in the .031-.032 range. But there is no sure thing. Id start with a 700 mb if you have it. Otherwise, It will cost much less to drill really.
Forum: Tech / General Engine
11-09-2006, 09:41 PM
Replies: 13
Views: 14,154
Posted By jcb999

Two thirds?, I think your gonna have trouble...

Two thirds?, I think your gonna have trouble except the coldest days in Philly. Generally, anything higher than the freeze plugs is asking for trouble in street motor. It produces little benefit...
Forum: Tech / General Engine
10-31-2006, 06:29 AM
Replies: 10
Views: 13,891
Posted By jcb999

It looks like they have an exhaust heat...

It looks like they have an exhaust heat crossover. Id sat that probably makes them their 185cc street head. Id also measure the spring dia, if is a 1.45" or there abouts, Id say that makes it very...
Forum: Tech / General Engine
10-30-2006, 06:41 AM
Replies: 10
Views: 651
Posted By jcb999

It sounds (to me) that someone internally...

It sounds (to me) that someone internally balanaced your combination. Especially if the flywheel that you have does not have a balanace weight. I would try to either get an internally balanaced...
Forum: Tech / General Engine
10-29-2006, 09:51 PM
Replies: 25
Views: 1,076
Posted By jcb999

if this is a demon all metering body restriction...

if this is a demon all metering body restriction holes are threaded and replaceable. The airbleeds might not be threaded if it is a speed demon. Comp sells pre sized idle fuel restrictions and also...
Forum: Tech / General Engine
10-29-2006, 06:17 PM
Replies: 10
Views: 651
Posted By jcb999

You dont have to have it balanaced with the exact...

You dont have to have it balanaced with the exact rotating parts but it is better ( they dont change the weight of the balancer - they just spin it all together ). An externally balanced harmonic...
Forum: Tech / General Engine
10-28-2006, 06:19 PM
Replies: 5
Views: 823
Posted By jcb999

Good effort. Just a little more practical info: ...

Good effort. Just a little more practical info:
In general, unless it is a custom ground cam, all most all are ground with a 4 degree advance. If the lobe separation angle is 110, the intake...
Forum: Tech / General Engine
10-28-2006, 06:05 PM
Replies: 10
Views: 651
Posted By jcb999

There are also a couple of other rules of thumb....

There are also a couple of other rules of thumb. Depending on the piston and rod weight, It could likely be internally balanced without a lot of heavy metal but otherwise, you should be able to look...
Forum: Tech / General Engine
10-28-2006, 05:34 PM
Replies: 4
Views: 775
Posted By jcb999

That topend is intended to move some air at...

That topend is intended to move some air at 5500+. I would get something other than stock rods. I would tend to get some lower buck heads initially (like a vortec) and fix the rods now. You can...
Forum: Tech / General Engine
10-22-2006, 08:00 PM
Replies: 1
Views: 377
Posted By jcb999

Well, im sure you had good intention.

Well, im sure you had good intention.
Forum: Transmissions and Drivetrain
10-22-2006, 04:55 PM
Replies: 8
Views: 3,630
Posted By jcb999

It kind of depends on what torque and rearend...

It kind of depends on what torque and rearend gearing you have. I have a 19lb on my 400 and with the 4.10 gear and 3.27 first gear of the tremec, its no problem.
Forum: Tech / General Engine
10-22-2006, 04:37 PM
Replies: 1
Views: 640
Posted By jcb999

Id caution you about posting copyrighted content....

Id caution you about posting copyrighted content. The data files are one thing, the execs are something else. For those of you who already have dd2K, here are a bunch of magazine tests in a zip.
Forum: Tech / General Engine
10-21-2006, 06:25 PM
Replies: 25
Views: 1,076
Posted By jcb999

my 400 with 238-247 on a 109 lsa will idle at...

my 400 with 238-247 on a 109 lsa will idle at 750-800 noproblem. Vacuum is much lower, <8. But the demon I have has had lots of tuning work. Does the carb baseplate have any air holes in the...
Forum: Tech / General Engine
10-21-2006, 06:20 PM
Replies: 6
Views: 952
Posted By jcb999

Id say 155 is too much for a factory OEM hydra...

Id say 155 is too much for a factory OEM hydra lifter. They were intended for 100K durability not 6000+ rpm. I would at least use an aftermarket lifter.

PS, I have 140seat and 370 open and thats...
Forum: Electronics
10-15-2006, 05:54 PM
Replies: 2
Views: 689
Posted By jcb999

Mine was similar, I just wired it direct to the...

Mine was similar, I just wired it direct to the fuse box. There is like a 10K resistor needed that simulates the dash light for the alt. Put it between the hot to the alt and the fuse box.
Forum: Electronics
10-15-2006, 05:51 PM
Replies: 1
Views: 743
Posted By jcb999

I would pull the battery from the LM1, reinstall...

I would pull the battery from the LM1, reinstall and then attach it to an O2 sensor in free air (not mounted in the exhaust). That should reset everyting.
Forum: Carburetors
10-13-2006, 09:02 PM
Replies: 8
Views: 1,123
Posted By jcb999

I agree that a sensor of this design is not one...

I agree that a sensor of this design is not one of the low cost ones. However, according to the car-craft (maybe thats the trouble) article, it was not marketed for racers only.
Forum: Carburetors
10-13-2006, 02:35 PM
Replies: 8
Views: 1,123
Posted By jcb999

The price is the big stumbling block for me. It...

The price is the big stumbling block for me. It should not be 350+ bucks for what is effectively a pretty simple sensor.
Forum: Carburetors
10-13-2006, 01:40 PM
Replies: 19
Views: 910
Posted By jcb999

Use a 3 port regulator and have the extra port go...

Use a 3 port regulator and have the extra port go to the factory return line that dumps back into the tank. It might require going from an AN fitting to a hose barb but it worked for me. Its also a...
Forum: Carburetors
10-13-2006, 01:23 PM
Replies: 8
Views: 1,123
Posted By jcb999

From our WTF are they thinking department - Aeromotiveinc.com

Aeromotive, Inc. (http://aeromotiveinc.com/pdetail.php?prod=63)
Carbureted Float Bowl Sensor, P/N 16304


Winner of the prestigious, 2004 SEMA Award For Best New Product, Racing - Performance....
Forum: Tech / General Engine
10-10-2006, 09:15 AM
Replies: 3
Views: 791
Posted By jcb999

Id say your decision with long tubes should be...

Id say your decision with long tubes should be associated with what type of torque arm you run. From what I understand, you cant get a spohn or a BMR to fit using one of their crossmembers with long...
Forum: Transmissions and Drivetrain
09-29-2006, 01:48 PM
Replies: 15
Views: 722
Posted By jcb999

He seems to be implying that the rearend yoke is...

He seems to be implying that the rearend yoke is a slip fit and should be rotated. Im not sure where thats from.. :/
Forum: Transmissions and Drivetrain
09-29-2006, 09:02 AM
Replies: 15
Views: 722
Posted By jcb999

I sent a note to tremec ( Transmission...

I sent a note to tremec ( Transmission Technologies Corporation (TTC) (http://www.ttcautomotive.com/English/home/home.asp) ), to ask them about a torque arm mount on a tremec. They appear to have...
Forum: Transmissions and Drivetrain
09-26-2006, 06:32 PM
Replies: 15
Views: 722
Posted By jcb999

Well, it does not bolt to the pumpkin studs. It...

Well, it does not bolt to the pumpkin studs. It basically mounts like a standard TA (the housing is a moser) and has a bracket for the TA. Here is a pic of the TA from jegs
JEGS High Performance -...
Forum: Transmissions and Drivetrain
09-26-2006, 07:54 AM
Replies: 15
Views: 722
Posted By jcb999

The LCAs are not fully extended, but since the...

The LCAs are not fully extended, but since the Jegs TA is hard mounted and is closer to the rearend than a normal TA, it just pivots in the center. One side goes forward, the other back. There is...
Forum: Transmissions and Drivetrain
09-25-2006, 04:10 PM
Replies: 15
Views: 722
Posted By jcb999

long and short answer..

The existing jegs torque arm I have is the non-adjustable one. They said I cant really purchase the hardware to turn it into an adjustable one. I guess the only option on that deal is purchase an...
Forum: Transmissions and Drivetrain
09-25-2006, 02:10 PM
Replies: 15
Views: 722
Posted By jcb999

need a way to change pinion angle.

I have confirmed there is no where near 1+ degree downangle. But all aftermarkets (spohn and bmr) are telling me there is no solution for a 9" with a tremec to get an adjustable pinion angle.

...
Forum: Transmissions and Drivetrain
09-18-2006, 07:33 AM
Replies: 15
Views: 722
Posted By jcb999

well, the DS is pretty straight when its sitting level..

but I think its something to do with alignment because it gets so bad when the rearend changes when I let off.
Forum: Transmissions and Drivetrain
09-17-2006, 08:43 PM
Replies: 15
Views: 722
Posted By jcb999

vibration when deacclerating - after 9" install

This problem did not seem to exist before I installed the 9". Its really bad on deacclerating but it also exits above 70mph. I thought it was the tailhousing bushing on the tremec.. but after...
Forum: Electronics
08-06-2005, 09:18 PM
Replies: 0
Views: 311
Posted By jcb999

connectors for back of fuse box?

I guess the connector recepticales in the back of the fuse box can be used to attach accessories? Anybody know where the connectors can be obtained and or a P/N?

thanks
Forum: Tech / General Engine
07-18-2005, 03:49 PM
Replies: 15
Views: 1,416
Posted By jcb999

Actually, based on everything Iv seen, valve...

Actually, based on everything Iv seen, valve bounce is more likely what happens. Very few Ramps have the velocity at the top of the lobe to propell the lifter into the air. The valve spring seat...
Forum: Tech / General Engine
07-15-2005, 10:14 AM
Replies: 23
Views: 924
Posted By jcb999

replies

The lifters were purchased new for the first 400 (which had a sleave in #5 hole and did not last 20 hours). They were reused, they have a total of 109 hours on them.

As with most hi-po parts, the...
Forum: Tech / General Engine
07-14-2005, 07:04 AM
Replies: 23
Views: 924
Posted By jcb999

multiple replies

Everything I have ever seen says street use does not allow enough time above 3000 rpm to sufficently lube solid rollers. Even the direct oil type are recomended to be replaced at regular intervals....
Forum: Tech / General Engine
07-12-2005, 09:05 PM
Replies: 23
Views: 924
Posted By jcb999

I was not running the chassis dyno or the...

I was not running the chassis dyno or the superflow. From what I can tell about the chassis curve, he started to let off at about 5850 on both runs
Forum: Tech / General Engine
07-12-2005, 06:53 AM
Replies: 23
Views: 924
Posted By jcb999

I know there is something holding it back, but it...

I know there is something holding it back, but it is not cam duration. Using dyno curves from a mag might not provide valid HP estimations but they CAN be used to predict engine RPM bands. Motors...
Forum: Tech / General Engine
07-11-2005, 08:40 AM
Replies: 14
Views: 1,434
Posted By jcb999

The source I was using I managed to find over the...

The source I was using I managed to find over the weekend. He does quote the same source.

But seems to use the rational that the AVERAGE airflow in feet second should be used to determine the RPM...
Forum: Tech / General Engine
07-10-2005, 08:50 PM
Replies: 23
Views: 924
Posted By jcb999

Both comp and cammotion recommend about the same...

Both comp and cammotion recommend about the same lift &duration for the specific combination. This motor was built to run a hydroller and peak below 6500. Its a 5.7 rod motor.


The cam was...
Forum: Tech / General Engine
07-10-2005, 06:06 PM
Replies: 23
Views: 924
Posted By jcb999

The cam was designed to feed the motor to 6300.....

The cam was designed to feed the motor to 6300.. should have enough duration for that. Most smallblock motors will make peak Hp at 6000 with 230-235 degrees at .050.

The HOT lt1 cam has 20...
Forum: Tech / General Engine
07-10-2005, 01:55 PM
Replies: 23
Views: 924
Posted By jcb999

400 with ~240degrees at 050 goes flat at 5400.

Well, I just about give up.. its got good lowend but thats about all. Peak HP is at 5400-5450 on this chassis dyno.
Peak torque is 3800-3900 rpm with a modified vic Jr and a set a track1 1s that...
Forum: Tech / General Engine
07-05-2005, 05:04 PM
Replies: 14
Views: 1,434
Posted By jcb999

There are some laws of physics that come into...

There are some laws of physics that come into play a little before these other "variables" guys.

Its called minimum cross-sectional area at the intake port.
Your average AFR 190-195, has about...
Forum: Tech / General Engine
06-28-2005, 04:10 PM
Replies: 14
Views: 1,434
Posted By jcb999

rarely do you see a 195cc head motor make hp above 6750

I would say somewhere between 6700-6900 for peak hp using a solid with >250 at 050. For a 383, figure somewhere about 5 less. About 6400-6600.

Both will live at that rpm.. just go with light...
Forum: Tech / General Engine
04-17-2005, 04:44 PM
Replies: 15
Views: 1,188
Posted By jcb999

with < than 360 cubes, you better turn it 7K

you will have more luck with >380 cid and less rpm. I doubt I would reuse the track1s I have. Not satisfied with the $ to results ratio.
Forum: Tech / General Engine
04-09-2005, 11:30 AM
Replies: 31
Views: 9,876
Posted By jcb999

Just to be clear, I was not speaking as a...

Just to be clear, I was not speaking as a generalization about weight being over 3400, I was refering to this specific combination. Especially bc of the displacement.

There is a publication...
Forum: Tech / General Engine
04-08-2005, 07:48 PM
Replies: 31
Views: 9,876
Posted By jcb999

the combination should run high 11s

reduce weight by a couple of hundred pounds and get a cam that has some lift in the .55-.56" range and it will be in the low 11s

as long as the weight is >3400, I say stick with the dual plane.
Forum: Tech / General Engine
04-07-2005, 07:09 PM
Replies: 6
Views: 781
Posted By jcb999

I punched a hole in my tank and put in a fitting

No leaks thanks to the handmans secret weapon, silicon
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