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Search: Posts Made By: GREGGPENN
Forum: C4 General Discussion 02-08-2018, 10:49 PM
Replies: 8
Views: 332
Posted By GREGGPENN
There was a guy who worked for Bilstein and drove...

There was a guy who worked for Bilstein and drove a C4. I've wondered for years how he's doing. Looks like 4 yrs since posting.

His full name and city are listing in his profile...so I...
Forum: C4 Parts for Sale/Wanted 02-03-2018, 05:20 PM
Replies: 5
Views: 517
Posted By GREGGPENN
Hey! Aren't the younger kids supposed to be the...

Hey! Aren't the younger kids supposed to be the ones taking pics and posting the 4sale ads? After all, they have their phones in their hands all the time!

Plus...you gave him the wheels!
...
Forum: C4 General Discussion 01-17-2018, 03:35 PM
Replies: 20
Views: 1,151
Posted By GREGGPENN
:iagree:

:iagree:
Forum: C4 Tech/Performance 01-16-2018, 01:27 PM
Replies: 30
Views: 1,111
Posted By GREGGPENN
They flow straight through and don't rob...

They flow straight through and don't rob horsepower. Most people who say this just want them gone looking for every drop of "go". Next stop will be smooth air tube....or a Tornado! :D

They...
Forum: C4 Tech/Performance 01-11-2018, 05:00 AM
Replies: 224
Views: 5,591
Posted By GREGGPENN
ANYONE reading what you initially wrote....as you...

ANYONE reading what you initially wrote....as you stumbled into this thread with Kramer-like finesse....




would conclude that you were trying to make some correlation between backpressure and...
Forum: C4 Tech/Performance 12-20-2017, 08:29 PM
Replies: 12
Views: 271
Posted By GREGGPENN
Hey pnewt, I have an L98 but think the principle...

Hey pnewt, I have an L98 but think the principle should be straight-forward.

First, from this LT1 line-drawing (though of an F-body), you can see the general heater cooling path....
...
Forum: C4 Tech/Performance 12-14-2017, 11:00 PM
Replies: 11
Views: 396
Posted By GREGGPENN
If 88 and 89 are the same, 6-deg btdc is the...

If 88 and 89 are the same, 6-deg btdc is the factory setting on the balancer (with the brown EST wire disconnected...as shown above).

Low rpm factory timing can be too high. The 89 automatic...
Forum: C4 Tech/Performance 12-04-2017, 12:49 PM
Replies: 6
Views: 224
Posted By GREGGPENN
I agree the cooler lines can be shifted. In...

I agree the cooler lines can be shifted. In this picture, the arrows represent how the lines USED to be pointing. It's been 7 yrs so I can't remember the details but I am thinking a "stop" had to...
Forum: C4 Tech/Performance 12-02-2017, 02:17 AM
Replies: 43
Views: 2,118
Posted By GREGGPENN
I agree the 2nd pic is the KS. I didn't see if...

I agree the 2nd pic is the KS. I didn't see if anyone addressed the first picture -- which is actually a "plug". That looks like the connector for the O2 sensor to me.

Also...I'd be curious...
Forum: C4 General Discussion 12-01-2017, 04:37 PM
Replies: 15
Views: 462
Posted By GREGGPENN
I definitely agree with the structure part! :D ...

I definitely agree with the structure part! :D In 1976, I took Comp 101 at KU. I dropped out halfway through -- sitting with a "D". I thought the teacher was being an ass. Over the summer,...
Forum: C4 Tech/Performance 11-26-2017, 02:57 AM
Replies: 36
Views: 1,213
Posted By GREGGPENN
https://cimg4.ibsrv.net/gimg/www.corvetteforum.com...

https://cimg4.ibsrv.net/gimg/www.corvetteforum.com-vbulletin/912x684/80-2013_01_28_16_28_31_jpg_jpeg_7e8929e3ed46d7f10505dddc382f6da6b8c148de.jpg
Forum: C4 Tech/Performance 11-25-2017, 04:23 AM
Replies: 36
Views: 1,213
Posted By GREGGPENN
Wow....a 1/4m track racer recommending long...

Wow....a 1/4m track racer recommending long tubes. Wonders never cease!

:D

And here I was thinking of pulling my mega-ported semi-siamesed SLP runners in lieu of an HSR!!!

Street-only...
Forum: C4 General Discussion 11-23-2017, 04:56 PM
Replies: 247
Views: 5,556
Posted By GREGGPENN
Gee Tom....I dunno. He "blessed us" with links...

Gee Tom....I dunno. He "blessed us" with links to an article on supercharging, one on jetting carbs, and the other two touting more cubes. Plays RIGHT into a discussion of why we were wrong about...
Forum: C4 General Discussion 11-19-2017, 01:38 PM
Replies: 42
Views: 990
Posted By GREGGPENN
Did you have a reason (reading) to believe it's...

Did you have a reason (reading) to believe it's bad? Did you check the fuse mentioned (CSI)?
Forum: C4 General Discussion 11-17-2017, 09:11 PM
Replies: 42
Views: 990
Posted By GREGGPENN
Well....just ask yourself why you thought I'd...

Well....just ask yourself why you thought I'd have access to an 84 FSM when I own an 89? I didn't expect the answer to be much more complicated than "Fuel is controlled by the computer"....or "The...
Forum: C4 Tech/Performance 11-15-2017, 08:08 PM
Replies: 231
Views: 5,178
Posted By GREGGPENN
Well...I mis-spoke. It isn't JUST the loss of...

Well...I mis-spoke. It isn't JUST the loss of reversion wave, it's also that the LONG tube presents so much resistance that the engine can't get air fast enough at higher rpms.




CR doesn't...
Forum: C4 General Discussion 11-15-2017, 04:39 AM
Replies: 42
Views: 990
Posted By GREGGPENN
Kinda thought I answered it back in post #6.

Kinda thought I answered it back in post #6.
Forum: C4 General Discussion 11-15-2017, 12:03 AM
Replies: 42
Views: 990
Posted By GREGGPENN
:iagree: And to answer the specific question...

:iagree:

And to answer the specific question presented by the OP, the ECM (computer) commands the injector(s) to spray more fuel. In the case of the 85-88 Corvettes, the computer sprayed it's...
Forum: C4 Tech/Performance 11-12-2017, 07:14 PM
Replies: 231
Views: 5,178
Posted By GREGGPENN
OK....In ALL sincerity, I answered your question...

OK....In ALL sincerity, I answered your question halfway through the post you just quoted. If you REALLY want to use a TPI intake, put 1.6 rockers on the intake side of the cam and call it good. ...
Forum: C4 Tech/Performance 11-12-2017, 04:49 AM
Replies: 231
Views: 5,178
Posted By GREGGPENN
Phoenix, this is actually the best recommendation...

Phoenix, this is actually the best recommendation of the choices posted so far.

To abandon SOME higher rpms -- in lieu of lower torque, you want to reduce duration. Keeping maximum lift will...
Forum: C4 General Discussion 11-08-2017, 01:57 AM
Replies: 21
Views: 770
Posted By GREGGPENN
Some people like the tucked in "factory" look of...

Some people like the tucked in "factory" look of cars in general. You see many (here) concerned that tires don't sit ANYWHERE NEAR outside the wheel well. Reasons for that vary and can be good --...
Forum: C4 General Discussion 11-04-2017, 08:07 PM
Replies: 343
Views: 5,582
Posted By GREGGPENN
And finally, you answered everyone's question...

And finally, you answered everyone's question about the existence of your thread(s)!

You should take your own advice.
Forum: C4 General Discussion 11-04-2017, 05:54 PM
Replies: 343
Views: 5,582
Posted By GREGGPENN
My previous post summarized my answer to...

My previous post summarized my answer to this...and likely future posts by you.

You are too lazy to get off your butt and contact someone who MIGHT actually have the intake you so crave...and is...
Forum: C4 General Discussion 11-04-2017, 03:22 PM
Replies: 343
Views: 5,582
Posted By GREGGPENN
I'm going to go out on a limb and assume you made...

I'm going to go out on a limb and assume you made no effort to contact the eBay who had the LT1 intake recently (that shows it didn't sell).

If you didn't find out if it's still available or...
Forum: C4 General Discussion 11-01-2017, 06:21 PM
Replies: 343
Views: 5,582
Posted By GREGGPENN
DUDE! There are some significant differences in...

DUDE! There are some significant differences in our goals that separate us. (And, for the record, I FOUGHT the battles of HP vs TQ in my build too.) The topic(s) -- if not perceivable to your...
Showing results 1 to 25 of 93

 
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