Can I raise the airbox on my SS? I was looking at a WS6 Trans Am the other day and the gap under the airbox is so much bigger than on the Camaro. I imagine it breathes a lot better because of that.

Also, can I seal my hood to my airbox any better? Someone mentioned this to me, but didn't have any info on actually doing it.

Post some pics or links if you have any. Thanks

Chris

 

</font><blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr /><font size="2" face="Verdana, Helvetica, sans-serif">Originally posted by jimmyblue:
<strong>I raised mine by using closed-cell foam
rubber tape, following the underside bosses
on the air box. </strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">Like weather-stripping you mean?

Thanks for the info. Lots to think about there. I didn't know if it could be done and if it could would it be worth the trouble.

Chris

 

I used 3 flat washers under the bolts,I completly sealed all around the airbox with regular household weather strip foam(1/2")Its not hard to see where you need to put the weatherstrip once you have it jacked up. I did get a rub place under the hood but raising the hood adjustments I pretty much fixed it.
What I`ve seen is most people dont have the FRA done as good as it can be done.

SS/LS

</font><blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr /><font size="2" face="Verdana, Helvetica, sans-serif">Originally posted by MI_SS_IL:
<strong>Can I raise the airbox on my SS? I was looking at a WS6 Trans Am the other day and the gap under the airbox is so much bigger than on the Camaro. I imagine it breathes a lot better because of that.
Also, can I seal my hood to my airbox any better? Someone mentioned this to me, but didn't have any info on actually doing it.
Post some pics or links if you have any. Thanks
Chris</strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">

 

I tried. But any more than 1/8" left zero
clearance between the lid (SLP fancy OEM one)
and the SS hood. Maybe another lid would be
marginally better, but the other aftermarket
one I have doesn't look any lower-profile.
I measured clearance to the closed hood by
crushing aluminum foil telltales taped all
over.

I raised mine by using closed-cell foam
rubber tape, following the underside bosses
on the air box. The existing bolts I turned
until height was as desired, just compressing
the foam. This is the black, real rubber stuff
that has some good bounce-back.

There's another issue, which is that raising
the airbox loosens the radiator mounts, since
these are mounted to the back of the lower
airbox slab. I didn't like it flopping.
1/8" isn't loose, but 1/4" was. You might
have to play with that.

The slope of the lid/hood is too gradual for
sliding it back to help much. Maybe gain another
1/8" for a 1" setback (which there isn't room
for, on mine).

The air slot is the tightest restriction
upstream of the MAF, by my measurements,
but its CSA is still about 50% larger than
the MAF orifice. So not likely to be a big
gainer.

On the other hand, maybe unshrouding the
bottom of the filter element could improve
things more than just the CSA at the slot
would indicate. The plastic ramp underneath
might oughtta go away. The back half of the
filter has negligible headroom now, and some
clearance there might help airflow distribution
across its face, cutting the high-flow pressure
drop. Or not. Raising the box doesn't do this,
you'd have to cut plastic away (and then I
think you'd want to seal the gap).

I wish I had a sensitive absolute pressure
transducer I could tap into that SS air path
and see the real pressure / vacuum at various
points.