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Search: Posts Made By: contactpatch
Showing results 1 to 50 of 237
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Forum: TPI
03-19-2005, 09:30 AM
Replies: 5
Views: 732
Posted By contactpatch

fireball, does the car have EGR ? , if so, pull...

fireball,
does the car have EGR ? , if so, pull the
hose off, and tell the forum what happens.
Forum: Carburetors
03-14-2005, 05:30 AM
Replies: 5
Views: 637
Posted By contactpatch

rb', when you rebuilt the carb, did you...

rb',
when you rebuilt the carb,
did you monkey with the primary metering jets?
Forum: Carburetors
03-08-2005, 05:07 AM
Replies: 25
Views: 2,233
Posted By contactpatch

57', for a 'three' port, what is the...

57',
for a 'three' port, what is the functional difference between
the inlet and the outlet?
To me, they are the same thing.
I would call those two ports, the 'high side',
or the 'regulated'...
Forum: Tech / General Engine
03-04-2005, 10:14 PM
Replies: 13
Views: 708
Posted By contactpatch

Out of curiosity, how much, is the...

Out of curiosity, how much,
is the imbalance of,
traditional 400, front, back, ,
newer 350?
.
The answer, I think, would be something like:
the 400 front, needs 40 ounce-inches of weight...
Forum: Tech / General Engine
03-04-2005, 02:54 AM
Replies: 13
Views: 708
Posted By contactpatch

4', have you thought about... having a shop...

4',
have you thought about...
having a shop 'copy' the amount of imbalance
in the flywheel, over to a flexplate?
Forum: Tech / General Engine
03-01-2005, 01:28 AM
Replies: 1
Views: 465
Posted By contactpatch

How valueable, are 'raised runner' cyl heads?

How much is gained on a dyno?, in two otherwise similiar engines,
by using a cyl head with raised runners, vortec, or otherwise,
compared to standard location.
.
Would it be as much as ten...
Forum: Carburetors
02-13-2005, 10:36 AM
Replies: 7
Views: 783
Posted By contactpatch

spud, check out this link for tuning info ...

spud, check out this link for tuning info
http://www.edelbrock.com/automotive/eps_intro.html

.
Some questions.
are the floats set correctly?
where is the linkage to the accel pump, which...
Forum: Tech / General Engine
02-10-2005, 11:34 AM
Replies: 13
Views: 8,526
Posted By contactpatch

The most important event in cam timing is: the...

The most important event in cam timing is:
the timing of the closing of the intake valve.
...later closing, power band moves up in rpm.
.
if you retard the cam, the rpm powerband will move up....
Forum: Carburetors
02-07-2005, 03:11 AM
Replies: 4
Views: 674
Posted By contactpatch

Issues for a blow-thru carb are: Fuel floats...

Issues for a blow-thru carb are:

Fuel floats can collapse,
Fuel pressure must be referenced to boost,
fuel bowl vents must be on the 'inside' of the carb hat,
throttle shafts can leak,
......
Forum: Engine Swap
02-06-2005, 03:07 AM
Replies: 5
Views: 543
Posted By contactpatch

87', the advantage to carb is:, you choose any...

87',
the advantage to carb is:, you choose any intake manifold
you want.

With TPI, you are stuck {mostly} with GM's TPI manifold,
that has restrictive small air passages.
Forum: Carburetors
02-05-2005, 04:34 AM
Replies: 5
Views: 567
Posted By contactpatch

Is the transmission and gears, the same, donor...

Is the transmission and gears, the same,
donor car to newer car?
.
For an experiment, you might try changing the lever
to less accellorator pump, that might give you
a clue, what is wrong.
Forum: Carburetors
01-22-2005, 08:38 AM
Replies: 6
Views: 2,703
Posted By contactpatch

Let me re-write,what I meant... . Lock out...

Let me re-write,what I meant...
.
Lock out the secondaries, any method available.
Test drive. Reduce pump shot. Drive.
Tell us what happened.
Forum: Carburetors
01-21-2005, 08:39 AM
Replies: 11
Views: 565
Posted By contactpatch

redcamaro, If you use a 3-port, set to 5psi, ...

redcamaro,
If you use a 3-port, set to 5psi,
The whole supply line, from the pump onward,
will be 5psi, or very close to that.
.
also, does rubber hose and hose clamps not work anymore?
Long...
Forum: Carburetors
01-21-2005, 08:18 AM
Replies: 6
Views: 2,703
Posted By contactpatch

If the carb is VS, try wiring the venturi-vacuun...

If the carb is VS, try wiring the venturi-vacuun operated air valve
to be stuck shut. Test.
Repeat with less pump shot. Test.
Tell us what happens.
Forum: TPI
01-17-2005, 08:50 AM
Replies: 318
Views: 126,128
Posted By contactpatch

Perhaps some Feb. and April stories got mixed up ...

Perhaps some Feb. and April stories got mixed up
on the way to the printer.
.
The overall numbers seem difficult to believe.
Forum: Alternative Port EFI Intakes
01-17-2005, 08:50 AM
Replies: 213
Views: 15,768
Posted By contactpatch

Perhaps some Feb. and April stories got mixed up ...

Perhaps some Feb. and April stories got mixed up
on the way to the printer.
.
The overall numbers seem difficult to believe.
Forum: Carburetors
01-11-2005, 05:10 AM
Replies: 15
Views: 860
Posted By contactpatch

Part of perceived problem with the Edel 750 might...

Part of perceived problem with the Edel 750 might be:
primaries that are too big.

edit, adding......
I think what was done...
to turn a 600 into a 750, make the primaries bigger.
{the...
Forum: Tech / General Engine
01-07-2005, 06:52 AM
Replies: 28
Views: 10,864
Posted By contactpatch

I calculate something like a delta of 10.8...

I calculate something like a delta of
10.8 ounce-inches needed to be changed, on both
ends of the engine, with an external balance.
Is that a lot?
.
.
numbers, per throw
122 gram weight...
Forum: Tech / General Engine
01-06-2005, 04:18 AM
Replies: 28
Views: 10,864
Posted By contactpatch

Clue me in. 57, are you trying to save the...

Clue me in.
57, are you trying to save the expense of an internal balance,
and just have it balanced with the HB and flexplate weights?
.
re internal balance, I would think it would be...
Forum: TPI
01-06-2005, 04:00 AM
Replies: 26
Views: 1,839
Posted By contactpatch

How much power is -->Really<-- lost at the...

How much power is -->Really<-- lost at the fulcrum?
{of non-roller fulcrums}
.
Keep in mind that total friction horsepower is
on the order of 50 HP at high rpm, for the whole engine.
Forum: Carburetors
01-01-2005, 07:31 AM
Replies: 16
Views: 932
Posted By contactpatch

On a Carter-afb, could the air valve be wired...

On a Carter-afb, could the air valve be wired open,
for the dragstrip?
Forum: Tech / General Engine
12-26-2004, 07:56 AM
Replies: 7
Views: 4,785
Posted By contactpatch

dia', if possible, crank the engine, with the...

dia',
if possible, crank the engine, with the fuel pump
electric wire disconnected, hope to get some oil pressure.
Unless you think there is water in the oil, I don't see the need for an oil...
Forum: TBI
12-26-2004, 07:06 AM
Replies: 4
Views: 664
Posted By contactpatch

ianc, why do you want to get rid of your carb?,...

ianc,
why do you want to get rid of your carb?,
seems like a downgrade.
Forum: TPI
12-18-2004, 06:34 AM
Replies: 10
Views: 722
Posted By contactpatch

TKO'... >The problem with the TPI and RPM is...

TKO'...
>The problem with the TPI and RPM is that the runners are just too long.<
.
I disagree.
The problem with TPI, is that the runners [include the 'base']
have a cross section that is too...
Forum: TPI
12-17-2004, 05:20 AM
Replies: 10
Views: 722
Posted By contactpatch

... Radical cam in a speed density system, can...

...
Radical cam in a speed density system, can be tricky., to
get the engine to idle.
Forum: TPI
12-16-2004, 04:23 AM
Replies: 10
Views: 722
Posted By contactpatch

You should think about trying a reasonably sized...

You should think about trying a reasonably sized carb,
such as a Edelbrock 600, or a q-jet.
[something with reasonably sized primaries.]
Use the big one, for the strip.
Perhaps you could borrow...
Forum: TPI
12-15-2004, 07:11 AM
Replies: 37
Views: 12,919
Posted By contactpatch

. 360 HP, is impressive, from a system with a...

.
360 HP, is impressive, from a system with a intake cam
duration of only 196.
Forum: Tech / General Engine
12-13-2004, 07:44 AM
Replies: 4
Views: 543
Posted By contactpatch

dyno corrections

[ I assume that a dyno corrects for , temp, humidity, baro ]
.
Does your typical Dynojet - Mustangdyno, make a correction
for driveline loss? [if no, ignore rest of post]
If so, is that...
Forum: TPI
12-12-2004, 04:57 AM
Replies: 5
Views: 584
Posted By contactpatch

Perhaps you could swap in, a known good injector,...

Perhaps you could swap in, a known good injector,
just for testing.
Forum: DIY PROM
12-06-2004, 09:06 AM
Replies: 11
Views: 1,121
Posted By contactpatch

The purpose of PE is... ..... Suppose you're...

The purpose of PE is...
.....
Suppose you're at 3000rpm cruising,
then you want more power, and open the throttle,
to 50 percent, vaccum goes to zero, a-f is 14.7:1...
...
then you want max,...
Forum: Carburetors
12-04-2004, 08:17 AM
Replies: 11
Views: 769
Posted By contactpatch

c4', What kind of choke do you want? . ...

c4',
What kind of choke do you want?
.
altitude --> choke issues
Forum: Carburetors
12-02-2004, 05:34 AM
Replies: 1
Views: 572
Posted By contactpatch

Edelbrock carbs, veturi sizes

Online somewhere, is there a listing of the
sizes of the venturis, of various Edelbrock carbs?
Forum: Transmissions and Drivetrain
12-01-2004, 06:18 AM
Replies: 9
Views: 571
Posted By contactpatch

orange', . between 2nd and 3rd, double clutch

orange',
.
between 2nd and 3rd, double clutch
Forum: TBI
12-01-2004, 12:45 AM
Replies: 3
Views: 576
Posted By contactpatch

I don't have easy access to such a car,...

I don't have easy access to such a car, currently.
.
Perhps someone knows an online source that would have
a dimentioned drawing.
.
I don't understand why Holley doesn't supply
the info that a...
Forum: TBI
11-30-2004, 06:26 AM
Replies: 3
Views: 576
Posted By contactpatch

How tall is the Holley TBI?

How tall is the Holley 670 TBI?
from bottom, to the flange, ,,,,,plus,,,,,,
the stuff above that.
.
Thanks
Forum: Engine Swap
11-30-2004, 05:58 AM
Replies: 16
Views: 815
Posted By contactpatch

Stay away from CFI. . TBI is ok, just not the...

Stay away from CFI.
.
TBI is ok, just not the CFI flavor of TBI.
.
Go with a reasonable cam,
avoid the 'swirl-port-cylinder-heads'.
Forum: Tech / General Engine
11-30-2004, 04:53 AM
Replies: 35
Views: 1,294
Posted By contactpatch

Crank it for a minute, without fuel/spark, ...

Crank it for a minute,
without fuel/spark,
hope to see oil pressure.
Forum: Carburetors
11-30-2004, 04:26 AM
Replies: 14
Views: 3,363
Posted By contactpatch

some advice... --> buy a battery tender <-- ....

some advice...
--> buy a battery tender <--
.
also, put in 5w-30, or 0w- 30, oil
Forum: TBI
11-29-2004, 01:30 AM
Replies: 51
Views: 22,494
Posted By contactpatch

Here is the major problem. .

Here is the major problem.
.
Forum: TBI
11-28-2004, 09:14 AM
Replies: 51
Views: 22,494
Posted By contactpatch

Dom', let us know how your project turns out. ...

Dom',
let us know how your project turns out.

Will you be keeping the cfi manifold?, if not,
I am interested in hood clearance issues
as I am contemplating switching from CFI to
TBI /...
Forum: Exhaust
11-27-2004, 06:18 AM
Replies: 13
Views: 1,383
Posted By contactpatch

IMO, true duals don't have either a X or H pipe.

IMO,
true duals don't have either a X or H pipe.
Forum: Carburetors
11-27-2004, 05:13 AM
Replies: 1
Views: 712
Posted By contactpatch

Venturi sleeves

The issue of Venturi Sleeves is rarely discussed.
Why?
If they do what I think they do,
VSs [or other types of restictions]
would appear to be a fix a basic misapplication
of 4-barrel...
Forum: Tech / General Engine
11-27-2004, 04:42 AM
Replies: 25
Views: 2,925
Posted By contactpatch

What happens when the TPS is no longer detected ...

What happens when the TPS is no longer detected
by the ECM?
Is TPS used for tcc lockup?
Forum: DIY PROM
11-26-2004, 09:04 AM
Replies: 83
Views: 21,150
Posted By contactpatch

Perhaps someone could write an overview, of how...

Perhaps someone could write an overview,
of how the computer uses TPS to control
TCC lockup and shiftpoints.

Thanks
Forum: Brakes
11-26-2004, 07:56 AM
Replies: 62
Views: 7,019
Posted By contactpatch

vsixtoy, please list the caliper piston...

vsixtoy,
please list the
caliper piston diameters, of your setup.
I am curious how you worked out the
front - rear bias.
Forum: Suspension and Chassis
11-25-2004, 10:22 AM
Replies: 43
Views: 1,543
Posted By contactpatch

Is there torque on the torque arm, when the car...

Is there torque on the torque arm,
when the car is at rest?
Forum: Engine Swap
11-25-2004, 08:53 AM
Replies: 45
Views: 13,830
Posted By contactpatch

Was the Buick, Olds, Pontiac, Caddy, [big v-8] ...

Was the Buick, Olds, Pontiac, Caddy, [big v-8]
the same block?
Forum: Carburetors
11-25-2004, 07:26 AM
Replies: 10
Views: 5,247
Posted By contactpatch

hey', Try this. Hookup a vaccum gauge,...

hey',
Try this.
Hookup a vaccum gauge, readable from the inside.
Then tell us how much vacuum you pull at WOT.
I'd be surprised if it was more than one PSI.
Forum: Carburetors
11-24-2004, 04:36 AM
Replies: 10
Views: 5,247
Posted By contactpatch

Edelbrock carbs are very adjustable. Put in the...

Edelbrock carbs are very adjustable.
Put in the metering rods or jets or piston-springs you need.
You might try going to heavier springs, if you think
you need more fuel.
...
650cfm is fine.
Forum: Tech / General Engine
11-23-2004, 05:52 AM
Replies: 10
Views: 2,984
Posted By contactpatch

>Ideal port cross-section shape: perfectly...

>Ideal port cross-section shape: perfectly round.<
.
I'll restate the premise, and question.
Consider a single, vertical cyclinder.
The intake tract goes essentially straight up.
The best...
Showing results 1 to 50 of 237
 
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