[DeTomaso] Techno Question: deck struts/lifts
larrys at panteraparts.com
Sun Jan 13 13:38:25 EST 2019
Jack is correct in what he has to say. The factory rating for the rear
deck lid shock is 90 pounds initially at full extension on the scale as
jack has described, as soon as it starts compressing the scale reading
will drop significantly. The stock deck lid with minimal paint will stay
up at about 83 pounds force in both shocks. If typically the lower shock
mount has broken off and was re-welded in a higher location, the shock
will not extend to its fully extended position and thus will not reach its
full pressure until it does, which in itself, will not hold up a stock
DeckLid with new shocks.
On 1/13/19, 12:24 AM, "DeTomaso on behalf of Jack DeRyke via DeTomaso"
<detomaso-bounces at server.detomasolist.com on behalf of
detomaso at server.detomasolist.com> wrote:
> IMHO, if you cannot get the decklid to stay open with two stock struts,
> you have added way too much weight back there! Stock rebuilt or small
> OD aftermarket struts are available. I can't give you anything but
> pounds of force as applied at the strut end. Some vendors will not sell
> any strut that applies more than about 100 lbs due to decklid
> hinge-bending and sheet metal distortion both in the decklid and the
> roof. Of course, we double that force with two struts.
> You can check strut strength with a bathroom scales and a thick piece
> of steel laying on it, so high force in a small area doesn't bend the
> thin top plate of the scales. Push down with a press and read the
> scale. Perhaps the best solution is/was Ted Mitchell's true
> bolt-on-no-weld system used a coil spring linkage similar to what held
> up those gigantic late '50s/early '60s front car hoods. Few bought his
> pricey system and now Ted is gone. No one has repro-ed Ted's system.
> -----Original Message-----
> From: Charles Engles <cengles at cox.net>
> To: detomaso <detomaso at server.detomasolist.com>
> Sent: Sat, 12 Jan 2019 18:50
> Subject: [DeTomaso] Techno Question: deck struts/lifts
> Dear Forum,
> Given all the activity from the great minds posting
> tonight, I have an esoteric trivial question about the stock rear
> struts or their modern replacements:
> Does anyone have the specs for the proper
> force in Newtons (or any other unit) for deck struts on a stock deck
> and/or a deck with a spoiler?
> Curious, Chuck Engles
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