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Installing Front Facing Plenum Soon

89CAL

By 89CAL,
in Engines & Forced Induction

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SECURITY Grand Master

SECURITY

Posted
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i have JUST finished installing my plenum. i just need the throttle cable shortened and im done.

some things that are still fresh in my mind:

- as soon as you get it, take it to a machinist to flatten ALL surfaces on it. it gave me peace of mind doing mine and i know its plumbed up perfectly with the head.

- buy some 2.75" silicon hoses and bends (stock size) as well as some super clamps. comes in handy when cutting up pipes to fit the new cooler rout.

- test fit the BOLTS into the holes of the plenum and check if there is enough clearance for a socket to fit and tighten the bolts all the way in, i had 1 of them get really tight, it was a pain in the ass to cover everything up and start grinding while it was installed on the car.

- if you want to re-use your gasket for whatever reason - make sure its not distorted. if it is it wont let your bolts through and meet with the head. take the gasket and fit it to the plenum while its off and bend it so that its straight and meets with the bolts with no distortion.

what i did to make my install easyer was fit a few longer bolts into the head first so i could slide the plenum in and out so i could guide some bolts through the gasket and into the head. i put 2 long bolts in (one on each end) and i put the other bolts on lightly so that they had JUST started on the threads then when i had most of them through the gasket and in the head i tightend them up and replace the long bolts with proper sized ones.

what happens is you put your gasket in, it sits on the 2 studs already there and the middle bends down so when you stick your bolts in afterwards the gasket gets in the way.

- top radiator hose: just flip it around and it will fit straight on.

- get some decent small clamps for things like your fuel system (dont use the ones they give you).

- just before fitting my plenum i put all the plugs that go into the bottom in first by holding it up near the plug. its a P.I.T.A. doing it while the plenum is already on, especially when the black/blue plug has a hose that runs RIGHT next to it.

- get some decent tools, i used all of my socket sets (1/4, 3/8 and 1/2 inch). also get some ramps or car stands. ramps are #1 in my book.

- when you get your AAC valve fitting welded to your cooler pipe, get them to tap or weld a vacuum hose fitting to the turbo side so youve got a nipple on that side of the engine bay for a boost controller.

be patient, always think of your next step before you start something, start early in the day and have some beer and smokes handy and a shitload of band aids.

SECURITY Grand Master

SECURITY

Posted
Posted

p.s. i have a china greddy copy on mine and i had it sanded down and powder coated by Chris from Craved Coatings and he told/showed me it had a shitload of bog in it which he replaced with some kind of alloy weld - so be warned. if you dont get it treated you risk it cracking and come off in the future which may cause air leaks.

darrinspencer Grand Master

darrinspencer

Posted
Posted
p.s. i have a china greddy copy on mine and i had it sanded down and powder coated by Chris from Craved Coatings and he told/showed me it had a shitload of bog in it which he replaced with some kind of alloy weld - so be warned. if you dont get it treated you risk it cracking and come off in the future which may cause air leaks.

Got any pic's??

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