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Search: Posts Made By: JoBy
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02-11-2019, 08:04 PM
Replies: 2
Views: 241
Posted By JoBy

The 84 used a curved sway-bar to clear the...

The 84 used a curved sway-bar to clear the shroud.

https://cimg2.ibsrv.net/gimg/www.corvetteforum.com-vbulletin/1500x2000/dsc04273_4578533690de481cee4d1eb0c66b956de02048e7.jpg
01-31-2019, 03:58 PM
Replies: 10
Views: 529
Posted By JoBy

Is that only intake or with throttle body? It...

Is that only intake or with throttle body? It might be possible to mount that upside down or add an adapter to angle the TB down....
01-31-2019, 03:47 PM
Replies: 12
Views: 586
Posted By JoBy

As a note the tires were exactly the same type as...

As a note the tires were exactly the same type as the corvette came with from the factory. They were also full thread, as new.

The 1984 Z51 came with 8.5" wide rims at the front and 9.5" wide in...
01-31-2019, 03:32 PM
Replies: 10
Views: 529
Posted By JoBy

From Q&A: According to Google the Holley...

From Q&A:


According to Google the Holley Stealth Ram is 10.1 inch high.


This is my modified Holley Stealth Ram compared to a stock one.

As you see it was 2 cm = 0.8 inch too high at the...
01-27-2019, 04:02 PM
Replies: 27
Views: 1,151
Posted By JoBy

U-joints are not the same. Half-shaft uses...

U-joints are not the same.

Half-shaft uses larger 1350 series and driveshaft the smaller 1310 series.

I would say that it is two different jobs.

Driveshaft almost require a lift and you have...
01-27-2019, 02:14 PM
Replies: 1
Views: 215
Posted By JoBy

From pictures I would say emmissions tubing ...

From pictures I would say emmissions tubing

https://www.holley.com/products/exhaust/headers_and_exhaust_manifolds/all_headers/parts/2151HKR
...
01-23-2019, 02:55 PM
Replies: 7
Views: 467
Posted By JoBy

Or injector fuses

Or injector fuses
01-19-2019, 06:09 AM
Replies: 125
Views: 11,456
Posted By JoBy

https://cimg0.ibsrv.net/gimg/www.corvetteforum.com...

https://cimg0.ibsrv.net/gimg/www.corvetteforum.com-vbulletin/514x252/schsp3_3a2706c9ddcd4e404c1b9ed9e7425e0ac3d3e97f.gif

This is a good example of what a dyno needs.
1) Something to measure the...
01-18-2019, 05:28 PM
Replies: 125
Views: 11,456
Posted By JoBy

I stand corrected and I have corrected my post...

I stand corrected and I have corrected my post with the graphs and the Excel file.
I got fooled by the statement that you need cube of hp for keeping up with square of hp drag, not noticing that...
01-18-2019, 11:45 AM
Replies: 125
Views: 11,456
Posted By JoBy

I made some calculations and graphing in excel....

I made some calculations and graphing in excel. If you want to download and play with it -> The Excel file (http://corvette.joby.se/misc/excel/Corvette_aero_drag.xlsx)

First areo drag as a...
01-17-2019, 07:46 PM
Replies: 125
Views: 11,456
Posted By JoBy

I disagree to your disagreement :) If drag...

I disagree to your disagreement :)

If drag eats 240whp at 150mph then you need 241whp to have some acceleration left.
At 200mph drag increases by 78%. 240whp*1.78=427whp. If you have 428whp you...
01-16-2019, 07:59 PM
Replies: 10
Views: 478
Posted By JoBy

https://cimg5.ibsrv.net/gimg/www.corvetteforum.com...

https://cimg5.ibsrv.net/gimg/www.corvetteforum.com-vbulletin/900x1000/camber_toe_50cbe909dc9dca8ff54b2b23ee988eea8e59aacd.jpg
...
01-16-2019, 05:25 PM
Replies: 125
Views: 11,456
Posted By JoBy

https://cimg3.ibsrv.net/gimg/www.corvetteforum.com...

https://cimg3.ibsrv.net/gimg/www.corvetteforum.com-vbulletin/1062x777/corvette_aero_24c173b1dcaae80c90e99e41dc64a84945282eee.jpg


According to this the 1984 Corvette only needs 97 Bhp to overcome...
01-16-2019, 02:44 AM
Replies: 3
Views: 270
Posted By JoBy

A/C pressure switch will also start the cooling...

A/C pressure switch will also start the cooling fan.

This is for 1984:
...
01-11-2019, 04:42 PM
Replies: 14
Views: 783
Posted By JoBy

I used to add gauges.Fuel pressure, WBO2, Boost,...

I used to add gauges.Fuel pressure, WBO2, Boost, Trans temp, Trans pressure but I have removed all extra gauges now.
It is impossible to both focus on driving and all gauges.
In my current...
01-11-2019, 01:31 PM
Replies: 14
Views: 783
Posted By JoBy

No data on the cam? With a blower the engine...

No data on the cam?
With a blower the engine get help breathing in, but no help out.
Compared to an N/A cam you want more exhaust and more lobe separation to avoid blowing too much fresh gas out...
12-27-2018, 09:44 AM
Replies: 26
Views: 964
Posted By JoBy

It seems like it, and that could actually be a...

It seems like it, and that could actually be a problem.
As far as I know the GM igition module uses internal reference signal when you set base timing ( about 8 dregrees advance ).
During normal...
12-25-2018, 07:23 PM
Replies: 26
Views: 964
Posted By JoBy

https://documents.holley.com/6530.pdf ...

https://documents.holley.com/6530.pdf

https://www.fuelairspark.com/catalog/product/view/id/20408/s/fasttm-ez-efir-fuel-base-kit (https://documents.holley.com/6530.pdf)

I should work with the...
12-21-2018, 07:46 AM
Replies: 10
Views: 401
Posted By JoBy

https://cimg2.ibsrv.net/gimg/www.corvetteforum.com...

https://cimg2.ibsrv.net/gimg/www.corvetteforum.com-vbulletin/613x315/tpi_fuel_rail_3c0fbdaa03aaeae551e8654c93122c7e158ddb12.jpg...
12-19-2018, 05:29 AM
Replies: 7
Views: 483
Posted By JoBy

You also have a short wire to pull at the lock in...

You also have a short wire to pull at the lock in case the electrical is not working.
12-07-2018, 05:35 PM
Replies: 20
Views: 799
Posted By JoBy

I think that the only thing the digital dash get...

I think that the only thing the digital dash get from the ECM is instant fuel usage. The dash calculates instant MPG, average MPG and fuel range from that.
If you want to swap engine and keep MPG...
12-07-2018, 09:56 AM
Replies: 9
Views: 394
Posted By JoBy

Your car is already converted as I understand. ...

Your car is already converted as I understand. Do you want to make it work with the export lights, or convert back to original?

What I described with the schematics is how to convert from...
12-07-2018, 03:53 AM
Replies: 9
Views: 394
Posted By JoBy

It seems like someone did not like to change the...

It seems like someone did not like to change the light bulbs the correct way.

...
12-01-2018, 11:16 PM
Replies: 15
Views: 468
Posted By JoBy

I made a bracket and mounted my 6AL ( not digital...

I made a bracket and mounted my 6AL ( not digital ) behind the battery.

https://cimg6.ibsrv.net/gimg/www.corvetteforum.com-vbulletin/1500x2000/dsc05460_4abc3d5e387794ba395036bdf61cf9f25972eae2.jpg...
11-29-2018, 07:40 AM
Replies: 26
Views: 1,516
Posted By JoBy

I saw pictures from 2002 with my old battery, and...

I saw pictures from 2002 with my old battery, and pictures from 2005 with my Optima Yellow Top.
It is at least 13 years old and still going strong.

I choose Yellow Deep-cycle over Red Staring...
Showing results 1 to 25 of 494
 


 
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