You are correct. Mac did not have a production plenum on the market when the testing at Modular Depot was being performed. It came out sometime later. As for you not having the money to afford the Accufab piece, I understand totally. Buying performance parts can become rather expensive and so we all try to cut our costs and spending to save money here and there. However, we must also be aware of an old saying, which has proven itself to be true over and over again in the aftermarket world. "You get what you pay for".inferno9898 said:i knew why there weren't many people running the setup, but at the same time. the MAC piece was not released when the MD report was made, so the majority of people buying plenums probably don't even know that MAC makes a piece. anyway, I don't have enough money to spend the same amount on an accufab plenum as i can spend on a mac plenum + 70mm TB, so i figured i might as well.
This is a question that has been asked so much, it reminds me of the "3.73 vs 4.10" debate. Do a search and you'll come up with the answers you are looking for. 70mm tb = better low end torque 75mm tb = slightly better gain on top end. Basically, there is little difference between the two so the choice is yours. If you are planning on going boosted in the future, then go for the 75mm now and save yourself the time.jrc_03_gt said:Im getting the accufab plenum/T.B. combo I just dont know what size T.B. to get 70mm or 75mm ???
jrc_03_gt said:Im getting the accufab plenum/T.B. combo I just dont know what size T.B. to get 70mm or 75mm ???
If what you're looking for is a cheap plenum with a clean look, the one from Grantelli motorsports is probably the best of that type. Its on sale for 99.99 at Jegs performance. It also looks like the C&L plenum.Redfire03GT said:Uh, it might be just me but, honestly, that MAC plenum looks exactly like a C&L plenum but a lot less... clean. and w/o any C&L logo's. Someone should post side-by-sides.
Redfire03GT said:Uh, it might be just me but, honestly, that MAC plenum looks exactly like a C&L plenum but a lot less... clean. and w/o any C&L logo's. Someone should post side-by-sides.
inferno9898 said:definitely didnt buy it for looks....cant imagine it performing that much worse than c&l or trickflow...they're all so similar
i was going to wait and get that piece, but i couldnt. So, i got an accufab TB/Plenum combo007 said:I have the BBK (no-one else is running that either). Its a real nice looking piece.
My brother has the BBK Plenum. He's not running it yet as I'm going to install an oil seperator with it. Not to mention I'm cleaning out the plenum as well and polishing it to a nice, smooth finish. I'll try to take some pics once I'm finished with it.007 said:I have the BBK (no-one else is running that either). Its a real nice looking piece.
inferno9898 said:alright fine, you all win......i installed it and the idle is very rough. hangs at about 1500, before dropping down to about 1000. even staying at 1000, it sounds terrible and is very rough. before everyone says something about the TPS, i installed the throttle body last week, and it worked great. i didn't touch the tps at all when i put on the plenum, just transfered the TB over. any other ideas as to why it could be doing this?
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