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Topic Review (Newest First)
07-27-2007 05:27 PM
igotachevyor2 you want be disapointed. the best i have done was a helical air raid spacer on a 4.0 jeep with a k&n cold air kit . it was a huge difference in the seat. i have ran several on sbc i think the single hole made the best improvement. also the wood is the better heat insulator.
07-27-2007 07:45 AM
6426yy I tried a 4 hole moroso spacer on my truck because I have a single plane street master intake. The throttle response and off idle torque improved greatly. I eventually plan on installing a performer intake though.
07-25-2007 08:08 PM
techinspector1 Who knows, maybe a spacer will improve performance. It doesn't cost that much to try one or even a couple of different ones.

Personally though, I would not be swayed by magazine articles that show power increases at the top range of rpm's, unless that's where the motor is going to spend most of its time. I suspect you can make more "area under curve" horsepower on the way up to max and the car would be faster without one. You can't race a dyno. Just my opinion.
07-25-2007 06:39 PM
tornado-tech HVH who makes the Super Sucker knows exactly which of their spacers will work the best. You have to up your carb jet size as you will lean it out due to more air flow. I had to rejet 3-4 sizes on mine but now can keep up with big blocks with my 362 as long as they keep stock valve angles on theirs.
07-25-2007 02:18 PM
400smb_s10 lol ya a 150 hp kit would be a nice bolt on
07-25-2007 12:13 PM
BIGSKY
Quote:
Originally Posted by Steve karch
You wont see that much gain on a 200 hp 350 though.
Darn! I was hoping I could start telling people my SBC made over 300 horses . Maybe I need some nitrous .
07-25-2007 10:34 AM
Steve karch [QUOTE=400smb_s10]Well I would have to say 10 hp is 10 hp and it will bring me closer to the allmighty 200 hp from a stock 350 lol

This is on a 475 hp 406. Actually I gained 10 hp with the tapered style 4 hole spacer over a standard 4 hole spacer. If memory serves me correct I made somthing like 20 hp over no spacer. You wont see that much gain on a 200 hp 350 though.
07-25-2007 07:30 AM
400smb_s10 Well I would have to say 10 hp is 10 hp and it will bring me closer to the allmighty 200 hp from a stock 350 lol

Thanks again for all the replys and information on the spacers its much appreciated

Thanks

Ed
07-25-2007 06:02 AM
Steve karch My 406 made 10 hp and 10 lbft more with a Super Sucker tapered style 4 hole on a Vic Jr intake on the dyno. Defintely works and I'd recommend it.
07-25-2007 05:44 AM
302 Z28 They work, in addition to isolating them from engine heat they also help speed up the air/fuel mixture a little.

Vince
07-24-2007 08:55 PM
Chevrolet4x4s car craft has a write up on them in the september 07 book had some real good results one added like 20 some hp
Shane
07-24-2007 08:31 PM
75sprintguy a 4 hole phenolic spacer worked well for my set up my holley was bogging off the line so i put on the 1 inch spacer i felt instant throttle response i didnt have before and no more bog id say dont knock it till you try it
07-24-2007 08:31 PM
DeathRattle
Quote:
Originally Posted by BIGSKY
WOOD?! Near fuel and spark? That scares me!
They are okay. Got one with about 7k miles on it no problems.
Best thing about em is they cost less than the billet aluminum, and probably do more for slowing/stopping heat transfer as already mentioned.
07-24-2007 07:35 PM
1BAD80 Taken for the Knowledge Base,
http://www.hotrodders.com/kb/browselinks.php?c=172

Tuning with carb spacers,
http://www.nhra.com/dragster/1999/is...echnology.html
07-24-2007 04:01 PM
techinspector1 Naaahhh, works well.
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