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Author Topic:   roll bars
capri man
Gearhead

Posts: 1613
From: doerun, ga.
Registered: Nov 2000

posted 04-15-2001 05:45 PM     Click Here to See the Profile for capri man   Click Here to Email capri man     Edit/Delete Message   Reply w/Quote
i just installed a s&w 8 point roll bar kit in my 81 capri. i already had welded in sub-frame connectors. before i was running 7.60s, 1.65 60ft at 88 mph. besides the obvious effect of the extra 80 lbs or so added weight, how should it affect the cars performance?
thanks----mike r-----capri man

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Moneymaker
Administrator

Posts: 12790
From: Lyons, IL, USA
Registered: May 99

posted 04-15-2001 05:50 PM     Click Here to See the Profile for Moneymaker   Click Here to Email Moneymaker     Edit/Delete Message   Reply w/Quote
It should leave harder and straighter then it did before Mike. You will feel the difference on the first pass.

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Alex Denysenko Co-Administrator and Moderator NHRA/IHRA/SRA member
Fleet of FoMoCo products
Moneymaker Bio
US Class Nationals link

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capri man
Gearhead

Posts: 1613
From: doerun, ga.
Registered: Nov 2000

posted 04-15-2001 06:07 PM     Click Here to See the Profile for capri man   Click Here to Email capri man     Edit/Delete Message   Reply w/Quote
thanks alex, are you saying that i might pick up a little on 60ft? boy i sure hope my bouncing dont come back!!!!!!
thanks----mike

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Rustang
Gearhead

Posts: 254
From: Dubois PA
Registered: Nov 2000

posted 04-15-2001 08:36 PM     Click Here to See the Profile for Rustang   Click Here to Email Rustang     Edit/Delete Message   Reply w/Quote
Did you run the lateral bars from your hoop to the frame connectors? That's supposed to help alot too.

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Moneymaker
Administrator

Posts: 12790
From: Lyons, IL, USA
Registered: May 99

posted 04-15-2001 11:20 PM     Click Here to See the Profile for Moneymaker   Click Here to Email Moneymaker     Edit/Delete Message   Reply w/Quote
You will definatly pick up a couple in the 60 foot Mike.

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Alex Denysenko Co-Administrator and Moderator NHRA/IHRA/SRA member
Fleet of FoMoCo products
Moneymaker Bio
US Class Nationals link

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Ken&Shell
Gearhead

Posts: 362
From: Mocksville, NC
Registered: May 2000

posted 04-24-2001 03:27 PM     Click Here to See the Profile for Ken&Shell   Click Here to Email Ken&Shell     Edit/Delete Message   Reply w/Quote
Our sixty foot times picked up when we added our cage. We used to be 1.542 and now we see 1.499. Have you had a chance to take your capri to the track yet and test it??

Shell
Ladyracer

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Moneymaker
Administrator

Posts: 12790
From: Lyons, IL, USA
Registered: May 99

posted 04-24-2001 10:49 PM     Click Here to See the Profile for Moneymaker   Click Here to Email Moneymaker     Edit/Delete Message   Reply w/Quote
Wow Shell, that pretty good. What are your 1/8th ET's? Must be in the 7.teen to 7.0 range.

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Alex Denysenko Co-Administrator and Moderator NHRA/IHRA/SRA member
Fleet of FoMoCo products
Moneymaker Bio
US Class Nationals link

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capri man
Gearhead

Posts: 1613
From: doerun, ga.
Registered: Nov 2000

posted 04-25-2001 03:42 PM     Click Here to See the Profile for capri man   Click Here to Email capri man     Edit/Delete Message   Reply w/Quote
yea shell, i tried it this weekend. my 60ft and et were more consistant and mabe a tad better average. i ran 7.71- 7.72 w/ 1.62-1.63 60s all day till the final when i spun for some crazy reason. did you notice i said FINAL? hehe
thanks____mike r ------capri man

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mvierow
Gearhead

Posts: 148
From: Bay Area, Ca
Registered: Apr 2001

posted 04-25-2001 08:43 PM     Click Here to See the Profile for mvierow   Click Here to Email mvierow     Edit/Delete Message   Reply w/Quote
I have heard many times that for every 100 pounds you remove, a tenth of a second is lost from the e/t. How true is this, and how would it relate in the opposite as in 100 pounds gained equals a gain of a tenth.

Looking at capri's #'s, it looks to be fairly accurate.

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Mike

[This message has been edited by mvierow (edited 04-25-2001).]

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capri man
Gearhead

Posts: 1613
From: doerun, ga.
Registered: Nov 2000

posted 04-26-2001 10:51 AM     Click Here to See the Profile for capri man   Click Here to Email capri man     Edit/Delete Message   Reply w/Quote
hi mike, did you notice that my 60 ft actually came down a little after adding the 80# bars? i think my et was up because of a bug difference in heat and humidity from the last time i ran. i think under the same conditions i might have picked up a little et. also had a pretty strong head wind sun.
however i think the old 1/10 per 100# is a pretty close formula, all other things being equal. 1/4 mile
thanks----mike r----capri man

[This message has been edited by capri man (edited 04-26-2001).]

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kid vishus
Gearhead

Posts: 2489
From: not where I want to be
Registered: Oct 2000

posted 04-26-2001 04:46 PM     Click Here to See the Profile for kid vishus   Click Here to Email kid vishus     Edit/Delete Message   Reply w/Quote
If the chassis works properly, subtracting 100 lbs of wieght does pick up around a 1/10 in the 1/4 and around .06 in the 1/8.

Although when I was racing my Granada, it ran the same et but was a ton more consistent with 180 lbs of lead bolted in the trunk.

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Ryan Wilke
Gearhead

Posts: 706
From: Stanton, Michigan
Registered: Oct 2000

posted 04-26-2001 10:39 PM     Click Here to See the Profile for Ryan Wilke   Click Here to Email Ryan Wilke     Edit/Delete Message   Reply w/Quote
So KV,
Am I understanding you to say that your attributing your experience with your Granada as a case of "adding lead" in the name of "chassis adjustments" in that the added weight actually helped your consistancy yet it didn't hurt your ET performance?
Was the front-to-rear weight bias that far from equal or what was the deal
Ryan

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kid vishus
Gearhead

Posts: 2489
From: not where I want to be
Registered: Oct 2000

posted 04-27-2001 10:03 AM     Click Here to See the Profile for kid vishus   Click Here to Email kid vishus     Edit/Delete Message   Reply w/Quote
The car was really nose heavy prior to adding the weight. Plus, I put the weight as far bak in the car as I could to get a "pendulum affect" nce the weight started to move, it kept moving. Made the car pick the front wheels up and carry it about 5-6 ft before it set them down again very easily. Before the weight, the car would jerk the tires off the ground and then slam them back down again quite violently. The first pass with the lead in the car, I reallu thought it didn't pick the front end up at all it was such a smooth ride.

Looking back in my log book now, I can see that I lost no ET and my 60's were much more consistent.

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Rustang1
Journeyman

Posts: 83
From:
Registered: Nov 2000

posted 04-27-2001 12:47 PM     Click Here to See the Profile for Rustang1   Click Here to Email Rustang1     Edit/Delete Message   Reply w/Quote
Granada

about 10 years ago there used to be a low 11 second one (1976 vintage)at my track.

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1968 Mustang,Clevor,C4
1969 Torino 351C 4spd
1978 F150 460 C6
1978 F150 351W C6

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kid vishus
Gearhead

Posts: 2489
From: not where I want to be
Registered: Oct 2000

posted 04-27-2001 09:52 PM     Click Here to See the Profile for kid vishus   Click Here to Email kid vishus     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by Rustang1:
Granada

about 10 years ago there used to be a low 11 second one (1976 vintage)at my track.



Where do you race?
Mine run low 11's, high 10's in good air, and is a '76 also. And won me a track championship, so it obviously worked.

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Rustang
Gearhead

Posts: 254
From: Dubois PA
Registered: Nov 2000

posted 04-27-2001 10:11 PM     Click Here to See the Profile for Rustang   Click Here to Email Rustang     Edit/Delete Message   Reply w/Quote
Kid,
I'm in Western PA, close to Pittsburgh. The car was all white and 351W powered. (As a matter of fact, I own a set of heads off of it). It's the only racin' Granada I've ever seen. Never figured out why no one else ever built one.

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