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Search: Posts Made By: bjankuski
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Yesterday, 10:00 AM
Replies: 23
Views: 625
Posted By bjankuski

I think the engine is stock besides intake and...

I think the engine is stock besides intake and carb. I do not think the cam or heads will make power after 5500 RPM and the bottom end will self destruct at 7000 RPM. If the engine is capable of 7000...
02-05-2019, 01:29 PM
Replies: 11
Views: 356
Posted By bjankuski

The pushrod holes on the alum heads are round and...

The pushrod holes on the alum heads are round and the rockers are self aligning, no drilling required, put on the new rockers and call it a day.
02-05-2019, 06:35 AM
Replies: 11
Views: 356
Posted By bjankuski

Look here. https://www.thirdgen.org/mods3/ ...

Look here.
https://www.thirdgen.org/mods3/

https://cimg4.ibsrv.net/gimg/www.corvetteforum.com-vbulletin/552x151/chrome_2019_02_05_07_07_50_f16a38e3aa4f4d65e852ac076d4fd257f7a3e454.png
01-30-2019, 11:13 PM
Replies: 20
Views: 5,412
Posted By bjankuski

I am still at the same point, no major changes,...

I am still at the same point, no major changes, but my budies car (Don) probably has us beat but I do not have any numbers from his car. He has a 1988 Firebird with a 434 and your 4" maf running at a...
01-24-2019, 03:42 PM
Replies: 30
Views: 1,026
Posted By bjankuski

The real problem you will run into is the tune....

The real problem you will run into is the tune. E85 uses about 33% more fuel to run at the proper AFR and your stock tune was not designed for that additional fuel volume so it could set a check...
12-23-2018, 08:23 AM
Replies: 18
Views: 540
Posted By bjankuski

very good start position with the afr heads. ...

very good start position with the afr heads.

My go to is 20 degrees from zero to 2000 rpm and then ramp in from 2000 to 3000 rpm the additional timing to get to 32 degrees with afr hesds. Add...
12-21-2018, 06:44 AM
Replies: 12
Views: 708
Posted By bjankuski

Holley hp will work well.

Holley hp will work well.
12-20-2018, 06:37 AM
Replies: 11
Views: 397
Posted By bjankuski

Go to an auto parts store and get a 1990 or newer...

Go to an auto parts store and get a 1990 or newer stater for a vette or camaro. It will fit in, is smaller in size, better at cranking and cheap in cost.
11-30-2018, 06:54 AM
Replies: 10
Views: 635
Posted By bjankuski

That cam is mild and will work fine in the ls3...

That cam is mild and will work fine in the ls3 after a tune. You will need a tune to get it to idle correctly and optimize performance. Will pull from idle to 6000 rpm with no issues.
11-21-2018, 06:44 AM
Replies: 10
Views: 580
Posted By bjankuski

The fact that the whustle goes away when you push...

The fact that the whustle goes away when you push the clutch makes me think two things. Are you positive you are not stepping on the brake at the same time you hit the clutch. This could be the...
11-17-2018, 08:54 AM
Replies: 44
Views: 3,174
Posted By bjankuski

Cams are cheap, degree yours and see what you...

Cams are cheap, degree yours and see what you have. If it is not what you need buy a cam for the combination. The cam is the heart of the engine so choose wisely.
10-24-2018, 06:52 AM
Replies: 28
Views: 1,227
Posted By bjankuski

TPIS fit fine and you have good spark plug...

TPIS fit fine and you have good spark plug clearance.
10-13-2018, 08:06 AM
Replies: 13
Views: 553
Posted By bjankuski

Nice job.

Nice job.
10-07-2018, 09:15 AM
Replies: 263
Views: 19,221
Posted By bjankuski

What do you think will happen with 755 hp on...

What do you think will happen with 755 hp on street tires, on a cold unpreped surface? You need to respect that level of power and use common sense. A 500 hp car will do the same thing on a poor...
10-04-2018, 04:35 PM
Replies: 5
Views: 299
Posted By bjankuski

You might be able to hear a hissing noise in the...

You might be able to hear a hissing noise in the car if the booster vacuum diaphram is broke when you are holding the brake pedel down.
10-01-2018, 03:54 PM
Replies: 132
Views: 3,354
Posted By bjankuski

It is an article posted by 540 RAT, just search...

It is an article posted by 540 RAT, just search the web for 540 RAT oil article and you will find it. All should read the article and understand what is written there, it is a very impressive...
10-01-2018, 03:50 PM
Replies: 15
Views: 583
Posted By bjankuski

There was no coolant in the engine and coolant is...

There was no coolant in the engine and coolant is what transfers the water temperature to the digital gauge located in the water pump. The analog gauge is in the cylinder head and even without water...
09-30-2018, 09:15 AM
Replies: 18
Views: 659
Posted By bjankuski

1990 c4 drag car new best et and win

I know this does not really have much to do with c4 tech but I had posted earlier this year about my 1990 c4 drag car and some people may be wondering how it did. Summer has finally departed and last...
09-24-2018, 11:54 PM
Replies: 28
Views: 770
Posted By bjankuski

This is the short answer. You are building a high...

This is the short answer. You are building a high performance engine for road racing. High probability that you will be pushing the engine hard with high heat (since the stock cooling system is...
09-06-2018, 06:23 PM
Replies: 24
Views: 838
Posted By bjankuski

I agree, the engine and transmission have no idea...

I agree, the engine and transmission have no idea what gear you have. The speedometer will read slower then what you are going, but the car will run fine.

When you finally reprogram the car make...
09-04-2018, 08:40 AM
Replies: 10
Views: 384
Posted By bjankuski

I have copied a picture of my manual that lists...

I have copied a picture of my manual that lists the conditions required to go from open loop to closed loop. There is no mention of the MAT sensor but that does not mean it was omited from the...
09-03-2018, 08:38 PM
Replies: 57
Views: 2,376
Posted By bjankuski

The 1985 vette actually enters closed loop at...

The 1985 vette actually enters closed loop at 104.5 degrees, so even though John is a C4 expert he is not a tuning expert. The data shown is for a 1985 stock auto vette.
...
09-01-2018, 10:06 AM
Replies: 10
Views: 396
Posted By bjankuski

Yes you can install it above the filter. The ECM...

Yes you can install it above the filter. The ECM does not measure oil temperature, it it displayed on the instrument panel only, not used by ecm.
08-29-2018, 01:33 PM
Replies: 25
Views: 619
Posted By bjankuski

The fans turn off when the key is turned off,...

The fans turn off when the key is turned off, that is normal. The other issue of the temp climbing when the engine is off is normal. It is called heat soak and since the water pump is off when the...
08-24-2018, 08:58 AM
Replies: 54
Views: 2,168
Posted By bjankuski

You probably can get away without a tune, A 24 lb...

You probably can get away without a tune, A 24 lb injector is 9% larger then stock and assuming your car was running with little fuel correction the ECM has the ability to correct up to 15% before it...
Showing results 1 to 25 of 160
 


 
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