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Showing results 1 to 25 of 75
Search took 0.04 seconds. Search: Posts Made By: jhirasak
Forum: Small Block Talk 12-09-2015, 11:17 AM
Replies: 102
Views: 13,156
Posted By jhirasak
From the information provided, we have a high...

From the information provided, we have a high budget 289 based race engine with 1965 HP cast iron FoMoCo heads, flat top pistons, long rods, and Webers. Assuming that it is limited to vintage specs...
Forum: Small Block Talk 11-29-2015, 09:03 AM
Replies: 33
Views: 3,990
Posted By jhirasak
Thanks to all of you that have responded to my...

Thanks to all of you that have responded to my questions. After reviewing material available on the web, it appears that gas additives that contain MMT provide the best improvement in raising the...
Forum: Small Block Talk 11-28-2015, 10:05 AM
Replies: 33
Views: 3,990
Posted By jhirasak
Bernica, I searched for 76 and other brand...

Bernica,

I searched for 76 and other brand stations that have 100 octane pump gas and unfortunately there were none sufficiently close to my home to make blending of 91 octane and 100 octane gas a...
Forum: Small Block Talk 11-27-2015, 08:55 PM
Replies: 33
Views: 3,990
Posted By jhirasak
Unfortunately, I searched for Sunoco locations...

Unfortunately, I searched for Sunoco locations that have 100 octane gas available at the pump and the closest such station is approximately 30 miles from my home address. This leaves me with trying...
Forum: Small Block Talk 11-27-2015, 06:19 PM
Replies: 33
Views: 3,990
Posted By jhirasak
JHV48 My engine ran without pinging while...

JHV48

My engine ran without pinging while using 93 octane gas but now that I live in California, I am having trouble with pinging while using the available 91 octane Shell premium gas. As per...
Forum: Small Block Talk 11-27-2015, 10:18 AM
Replies: 33
Views: 3,990
Posted By jhirasak
Avoiding Pinging with 91 Octane California Gas

I originally built my SBF 331 cu in engine to run on 93 octane pump gas with 10 to 1 compression ratio aluminum heads and .041 quench clearance. My best engine performance was obtained with 16...
Forum: Weber Tuning 07-02-2015, 12:30 PM
Replies: 5
Views: 3,701
Posted By jhirasak
Hyde, I sent you a PM with additional...

Hyde,

I sent you a PM with additional comments regarding accelerator pump jetting. I hope that it helps.

John
Forum: Weber Tuning 07-02-2015, 09:56 AM
Replies: 5
Views: 3,701
Posted By jhirasak
I would not recommend drilling the exhaust jet...

I would not recommend drilling the exhaust jet since it contains a check valve and any trash from drilling could affect the ball seating. As I recall, the exhaust jets were not very expensive.
...
Forum: Weber Tuning 07-02-2015, 09:24 AM
Replies: 5
Views: 3,701
Posted By jhirasak
If you are sure that you are too rich on the...

If you are sure that you are too rich on the squirt, I would recommend that you increase the exhaust jet size instead of changing the nozzle size. It is also less expensive to replace the exhaust...
Forum: Small Block Talk 06-30-2015, 07:31 AM
Replies: 14
Views: 1,391
Posted By jhirasak
Pete, While you are replacing the water...

Pete,

While you are replacing the water pump, also replace the inlet radiator hose. You might have ply separation inside the hose which could partially block the flow.

John
Forum: Small Block Talk 06-29-2015, 10:54 PM
Replies: 14
Views: 1,391
Posted By jhirasak
Have you checked your lower radiator hose for a...

Have you checked your lower radiator hose for a spring insert? Could it be collapsing after the engine warms up and shutting off flow? This is a possible cause for your symptoms.

John
Forum: Small Block Talk 06-29-2015, 10:52 PM
Replies: 14
Views: 1,391
Posted By jhirasak
Revised Message

Revised Message
Forum: FE TALK 06-08-2015, 07:00 AM
Replies: 15
Views: 1,506
Posted By jhirasak
Is it possible to machine the existing Camry...

Is it possible to machine the existing Camry alternator pulley with a deeper vee to reduce the tendency for belt tossing?
Forum: Small Block Talk 05-17-2015, 11:04 AM
Replies: 21
Views: 3,447
Posted By jhirasak
CHP2RA, Oil temperature above 100 C (212 F)...

CHP2RA,

Oil temperature above 100 C (212 F) and less than 110 C (230 F) when fully hot is preferable to sustained oil temps below 100 C to eliminate any moisture that might be acquired due to the...
Forum: FE TALK 01-15-2015, 07:17 AM
Replies: 19
Views: 2,115
Posted By jhirasak
Have you checked to make sure that none of the...

Have you checked to make sure that none of the manifold bolts are bottomed out before the gaskets are fully compressed? This can be easily done when the manifold is being test fitted to the engine...
Forum: Weber Tuning 12-08-2014, 11:05 PM
Replies: 10
Views: 6,404
Posted By jhirasak
289FIA, Have you read the article on Weber...

289FIA,

Have you read the article on Weber Tuning by Tennessee Tim? If not, I would highly recommend that you do so before you start on your Webers.

Tuning Webers...
Forum: Weber Tuning 09-09-2014, 06:48 AM
Replies: 4
Views: 2,447
Posted By jhirasak
Rick, Did you find and install larger chokes...

Rick,

Did you find and install larger chokes on your car? If so, I would be interested to hear about any jet changes that you made to get the larger chokes to work properly through the rpm range....
Forum: Weber Tuning 08-07-2014, 10:30 PM
Replies: 42
Views: 8,687
Posted By jhirasak
Jim, If you have made as large of change in...

Jim,

If you have made as large of change in idle jets and main jets sizes as you indicate in your last message, it is no wonder that you are having tuning problems. It does not take much a jet...
Forum: Small Block Talk 07-15-2014, 11:08 AM
Replies: 15
Views: 3,170
Posted By jhirasak
If you delete the light, I would recommend that...

If you delete the light, I would recommend that you either install an ampmeter or a voltmeter in your charging circuit to provide you with information regarding the status of your battery as well as...
Forum: Small Block Talk 07-15-2014, 08:27 AM
Replies: 15
Views: 3,170
Posted By jhirasak
Texasdoc, By the way, there is another cable...

Texasdoc,

By the way, there is another cable that I would recommend that you install that is not indicated on the 2G circuit diagram. You will notice that one side of the diodes are indicated as...
Forum: Weber Tuning 07-14-2014, 10:16 AM
Replies: 42
Views: 8,687
Posted By jhirasak
Jim, Before you start changing emulsion...

Jim,

Before you start changing emulsion tubes to correct your over rich idle and main circuit transition situation, I would suggest that you make sure that the idle circuit is properly jetted...
Forum: Small Block Talk 07-12-2014, 09:27 PM
Replies: 15
Views: 3,170
Posted By jhirasak
The resistor is there to balance the load across...

The resistor is there to balance the load across the alternator indicator lamp. To find out the required wattage for the bulb, just go to an auto parts store and ask for a bulb that fits the Mustang...
Forum: Small Block Talk 07-12-2014, 06:07 PM
Replies: 15
Views: 3,170
Posted By jhirasak
Smile Texasdoc, The 2G diagram that you have...

Texasdoc,

The 2G diagram that you have provided is the one that you need to wire your car.

The proper connectors for a 2G alternator are 7502E and 7502F. The 7502E should connect to Connector...
Forum: Small Block Talk 07-12-2014, 04:44 PM
Replies: 15
Views: 3,170
Posted By jhirasak
Texasdoc, I think that you are doing fine by...

Texasdoc,

I think that you are doing fine by yourself and do not need a lot of inputs from the peanut gallery. What you have posted is more information than I have, so I am learning from your...
Forum: Weber Tuning 07-08-2014, 04:07 PM
Replies: 12
Views: 3,126
Posted By jhirasak
Paul, I think that Z and Hyde have a very...

Paul,

I think that Z and Hyde have a very good point in that you should resolve your idle mixture screw response problem before attempting to iron out the transition roughness issue. Since the...
Showing results 1 to 25 of 75
Page 1 of 3 1 23

 

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