Dyno Session: suitable tie-down points
Thread Starter
Le Mans Master
Joined: Jan 2002
Posts: 9,036
Likes: 13
From: Edmonton AB
Dyno Session: suitable tie-down points
I learned that there is a Dynojet in-ground chassis dyno in the
neighborhood and booked an appointment for today.
Unfortunately, I scrubbed the session because the operator
felt he couldn't tie into the rear tie-down locations ahead of
the rear wheels. His best suggestion was to drop the spare
tire carrier so he could hook onto the differential carrier.
He likewise proposed hooking onto the front lower control arms.
What is the recommended approach to restraining a C4 on
an in-ground dyno?
(I know there is a thread in August where the tie-rod carrier
and/or batwing at the rear and the lower control arms at the
front are suggested. Is this the best that can be done?)
.
neighborhood and booked an appointment for today.
Unfortunately, I scrubbed the session because the operator
felt he couldn't tie into the rear tie-down locations ahead of
the rear wheels. His best suggestion was to drop the spare
tire carrier so he could hook onto the differential carrier.
He likewise proposed hooking onto the front lower control arms.
What is the recommended approach to restraining a C4 on
an in-ground dyno?
(I know there is a thread in August where the tie-rod carrier
and/or batwing at the rear and the lower control arms at the
front are suggested. Is this the best that can be done?)
.
Last edited by Slalom4me; Sep 7, 2005 at 04:53 PM.
Le Mans Master
Joined: Jan 2003
Posts: 8,596
Likes: 19
From: Portland Oregon
On a C4 I grab the lower struts below the bat wing, or if the spare tire is out, I wrap the straps around the mid bat wing area. I also tie down the front of the car by catching the lower A arms at the front of the car. Strapping the front of the car prevents the car from moving backwards if someone inadvertantly hits the brakes hard while the dyno rolls are still moving.
Thread Starter
Le Mans Master
Joined: Jan 2002
Posts: 9,036
Likes: 13
From: Edmonton AB
tjwong, thanks for the restraint information and the caution about
the importance of a front tie-down.
Cinching a car by its suspension members isn't what I wanted
to hear - but I've seen for myself that there isn't much option and
there's no substitute for firsthand experience (your's).
Regards,
Ken R.
.
the importance of a front tie-down.
Cinching a car by its suspension members isn't what I wanted
to hear - but I've seen for myself that there isn't much option and
there's no substitute for firsthand experience (your's).
Regards,
Ken R.
.
Le Mans Master
Joined: Jan 2003
Posts: 8,596
Likes: 19
From: Portland Oregon
Originally Posted by Slalom4me
tjwong, thanks for the restraint information and the caution about
the importance of a front tie-down.
Cinching a car by its suspension members isn't what I wanted
to hear - but I've seen for myself that there isn't much option and
there's no substitute for firsthand experience (your's).
Regards,
Ken R.
.
the importance of a front tie-down.
Cinching a car by its suspension members isn't what I wanted
to hear - but I've seen for myself that there isn't much option and
there's no substitute for firsthand experience (your's).
Regards,
Ken R.
.
Burning Brakes
Joined: Apr 2005
Posts: 1,109
Likes: 2
It does not sound easy. I really do not know but this is just a thought.
When my car was towed back home they used this little metal inserts that go into the frame in special areas that are made for that.
This " T"s of metal are conected to a strap and then to the platform.
They hold the car in place very well but that is for towing.
I would not know if those parts could be used while putting the car in a dyno.
When my car was towed back home they used this little metal inserts that go into the frame in special areas that are made for that.
This " T"s of metal are conected to a strap and then to the platform.
They hold the car in place very well but that is for towing.
I would not know if those parts could be used while putting the car in a dyno.
Le Mans Master
Joined: Jan 2003
Posts: 8,596
Likes: 19
From: Portland Oregon
Originally Posted by Kinkajou
It does not sound easy. I really do not know but this is just a thought.
When my car was towed back home they used this little metal inserts that go into the frame in special areas that are made for that.
This " T"s of metal are conected to a strap and then to the platform.
They hold the car in place very well but that is for towing.
I would not know if those parts could be used while putting the car in a dyno.
When my car was towed back home they used this little metal inserts that go into the frame in special areas that are made for that.
This " T"s of metal are conected to a strap and then to the platform.
They hold the car in place very well but that is for towing.
I would not know if those parts could be used while putting the car in a dyno.
I looked into that, it wouldn't work for me. At least not on my chassis dyno.
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