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91 z28, 5.7 liter 350. need some advice on where to start

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Old Oct 6, 2006 | 02:34 PM
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91 z28, 5.7 liter 350. need some advice on where to start

hey everybody! i just got my first camaro, actually my first v8, rear wheel drive, and coup. its a 1991 z28 with the 5.7 350. I also just started auto school so im looking to make this car a project car. the only mods so far is a new 700r4 with a stahl torque converter and corvette servo's, and a flowmaster cat back. its not a daily driver, going into storage for the winter in my buddies garage so i can still work on it. I was just looking for some sugestions on what to do first performance wise. im on a bit of a budget for this winter but i wanna make sure i go about this wisely, so that i get the best bang for my buck. i was thinking of starting with hooker headers, the tpis big mouth manifold and runners, throttlebotty air foil, and msd 6A ignition system, that sound like a good start or am i heading for the wrong things first? thanx for the help guys!
Old Oct 6, 2006 | 02:49 PM
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first thing is make sure the engine is sound, a leak down test and compression check is first, then headers, cam ,intake, ignition, the air foils haven't been proven to help anywhere I've read
Old Oct 6, 2006 | 03:42 PM
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Originally Posted by archemedes
first thing is make sure the engine is sound, a leak down test and compression check is first, then headers, cam ,intake, ignition, the air foils haven't been proven to help anywhere I've read
I put an air foil on my car....it did jack crap for me :banghead:


On the other hand, as far as ignition is concerned...I have an MSD 6AL ignition box that is brand new and hasn't been installed. I'm selling it. Brand new they are $230 but I'd sell you this one for $210
Old Oct 6, 2006 | 08:28 PM
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Originally Posted by archemedes
first thing is make sure the engine is sound, a leak down test and compression check is first, then headers, cam ,intake, ignition, the air foils haven't been proven to help anywhere I've read
thanx thanx. i was really looking at that air foil as a good first step, lol, but now im glad i didnt waste my money.
Old Oct 6, 2006 | 11:06 PM
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Maybe a couple horse- a few more if you are running boost.

There are quite a few parts out there for the TPI motors- the large mouth intake set-ups are nice- but like what Arch said- check to make sure your motor is in good working order. No point in putting $500 worth of parts on a motor that isn't tight.
Old Oct 6, 2006 | 11:37 PM
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welcome
Old Oct 7, 2006 | 03:33 AM
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Instead of the bigmouth intake and runners get the holley stealthram. Since you are already tuned port it would only cost you about 400 to get all that you need and it would offer a greater performance increase than the TPIS stuff. I would also recomend doing some suspension work to your car including subframe connectors. the suspension on the thirdgens just suck especialy with more power than stock. BTW if you get sick of that Z let me know Ive been looking for a 91-92 Z for a few years now and just cant find one for sale!
Old Oct 7, 2006 | 11:55 AM
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Originally Posted by BLACK ICE
Instead of the bigmouth intake and runners get the holley stealthram. Since you are already tuned port it would only cost you about 400 to get all that you need and it would offer a greater performance increase than the TPIS stuff. I would also recomend doing some suspension work to your car including subframe connectors. the suspension on the thirdgens just suck especialy with more power than stock. BTW if you get sick of that Z let me know Ive been looking for a 91-92 Z for a few years now and just cant find one for sale!
where can i get the stealth ram, and what components do i need to make it work?
Old Oct 7, 2006 | 12:32 PM
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try summit or jegs these are the part numbers to look for...

intake n plenum 7540

fpr non adjustable 534-185 adjustable 534-186

fuel rail 9900-147

you will need to use a small cap distributer if you dont already have one
Old Oct 12, 2006 | 04:49 PM
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Originally Posted by BLACK ICE
Instead of the bigmouth intake and runners get the holley stealthram. Since you are already tuned port it would only cost you about 400 to get all that you need and it would offer a greater performance increase than the TPIS stuff.
+1 great set up and affordable. It will outperform the larger runner and baseplate combos and be comparable to the accel/lingenfelter box and base plate for much less money. I think you may have to take your hood liner out and possibly dimple the underneath a bit. All the 87 and newer SHOULD have the small cap distributer.
Old Oct 12, 2006 | 08:08 PM
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Originally Posted by mpe331lx
+1 great set up and affordable. It will outperform the larger runner and baseplate combos and be comparable to the accel/lingenfelter box and base plate for much less money. I think you may have to take your hood liner out and possibly dimple the underneath a bit. All the 87 and newer SHOULD have the small cap distributer.
coolcool. i think thats the rout im gonna go. and im gonna cowl the hood so it should fit ok under there. but first i need new rear control arms and a panhard. then shocks and struts, then SFC's, lol. thanx for the input guys.
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