If the crossmember and chassis are that different then it would seem to be
prudent to measure both sets of holes, compare against the frame measurement
chart that's in the Tiger shop manual, and figure out which of the two is
actually out of spec. My crossmember turned out to be flattened and opened up
front to back (i.e. the front set of holes were closer to correct than the
rear set).
Jacking the chassis rails to fit the crossmember might be the easy way to make
things bolt in, but if you're out by over 1/2" then you have little guarantee
that the spread you're introducing is even on both sides.
Cheers,
Theo
________________________________________
From: tigers-bounces@autox.team.net [tigers-bounces@autox.team.net] On Behalf
Of Would U. Believe [mcdangerous@verizon.net]
Sent: Sunday, July 11, 2010 6:16 PM
To: tigers@autox.team.net
Subject: [Tigers] Crossmember Installation Headache: Advice Needed Please!
Hello all. I have installed the 289 engine and transmission over this
weekend and have tried to reinstall the crossmember. Unfortunately, I've
run into a problem. I expected to be able to install three bolts, set the
car down, causing the weight of the engine to spread the frame rails enough
to install the fourth bolt. Ah, were it so easy!
As it turns out, I first installed the passenger side forward bolt. Then I
tried to install either of the driver side bolts. No way. The holes do not
match up. I tried everything for hours. I set the car down, and even
bounced on it. No luck. Half of the hole is blocked by the frame. So, to
stabilize it for now, installed the rear bolt on the passenger side.
Obviously, I have to figure something out here or I have a nice static
display in my garage, not a drivable car.
<snip>
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