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Joined: Oct 1999
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From: Gulf Breeze, Florida
Car: 1991 Trans Am
Engine: L98
Transmission: 4L60
TPI parts identification
Could someone identify these parts for me? Are they stock ported parts? Are they hi-performance parts not ported? Are they stock unported parts? The reason I ask is I have a chance to buy them and can't really tell by looking at pics...but I'm an amateur. Also, would they work on the car in the sig and produce some more horses and/or torque?
Last edited by Fred91TA; May 30, 2002 at 02:46 PM.
Thread Starter
Member

Joined: Oct 1999
Posts: 131
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From: Gulf Breeze, Florida
Car: 1991 Trans Am
Engine: L98
Transmission: 4L60
Sorry, I guess I'm a moron. I can't get a pic to post. Can someone give me some guidance on attaching a pic or email me at imnraged@aol.com and let me know it's ok to send you the pics to examine?
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Joined: Oct 1999
Posts: 131
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From: Gulf Breeze, Florida
Car: 1991 Trans Am
Engine: L98
Transmission: 4L60
ttt Come on guys. There's a guy waiting to sell me those parts and I don't want to throw money away. I know someone can help me! ;-)
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They look like stock unported parts. Look in the front of the throttle body opening and see if the little ledge on the bottom just inside the plenum is there. If theres any porting been done that would likely have been removed.
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From: KY
Car: 1991 FORMULA
Engine: ZZ4 + LT4 HT CAM 430HP
Transmission: 700-R4 COMING T56
Axle/Gears: 9" 4.56's (COMING)
poretd setup
fred, i'll sell ya a complete proted tpi setup w ported plenum and stock runners for 200.. let me know..
PLEASE REDUCE YOUR SIG. PICTURE SIZE BEFORE POSING IT AGAIN. READ THE NEW FORUM RULES.
PLEASE REDUCE YOUR SIG. PICTURE SIZE BEFORE POSING IT AGAIN. READ THE NEW FORUM RULES.
Last edited by Kevin G; May 31, 2002 at 11:11 AM.
Thread Starter
Member

Joined: Oct 1999
Posts: 131
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From: Gulf Breeze, Florida
Car: 1991 Trans Am
Engine: L98
Transmission: 4L60
BadGTA, do you have any pics or more info on your parts? I really want some ported stuff but the funds are a problem right now. However, $200 sounds pretty good for some porting that's done right. What year is the car your parts are from? Also, Tommyboy, the guy wanted $300. I'm glad I got out of that deal.
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Joined: May 2002
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Car: 87 Formula
Engine: 355
Transmission: TH400
Axle/Gears: 5.00
Thanks for the info. I see TPI's ranging from $100 on junk bay to $200 in the motor city. I just ripped apart a 305 87 Formula and wanted to get a general idea of how much the TPI's worth. Any body with 1.5 or 1.6 RR , I would gladly give you this fine unit for a trade. Thin style rockers. No big fatty cranes.
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From: KY
Car: 1991 FORMULA
Engine: ZZ4 + LT4 HT CAM 430HP
Transmission: 700-R4 COMING T56
Axle/Gears: 9" 4.56's (COMING)
poretd tpi
as of right now it's not been ported yet, but would'nt take no more than a few days.. i can have pics after it's ported, will have the shop start on them today or tomarrow and have pics in the next couple of days...
kevin, sorry about the sig.. the wife was supposed to shrink it sown i guess she never did.. again sorry..
kevin, sorry about the sig.. the wife was supposed to shrink it sown i guess she never did.. again sorry..
Thread Starter
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Joined: Oct 1999
Posts: 131
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From: Gulf Breeze, Florida
Car: 1991 Trans Am
Engine: L98
Transmission: 4L60
badgta, sounds good to me. I appreciate the help. Get back to me when it's all done. If you want, you can e-mail to imnraged@aol.com.
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From: KY
Car: 1991 FORMULA
Engine: ZZ4 + LT4 HT CAM 430HP
Transmission: 700-R4 COMING T56
Axle/Gears: 9" 4.56's (COMING)
ported tpi
fred... soryy it's taking so long.. the people at the machine shop said it will be two weeks before they can start on it.. theyr'e really backed up.. i sincerly apologise for any inconveniance this is or has caused.. if you fell you can't wait it's ok.. again i'm sorry and apologise... personally if i were you i would buy a stealth ram from holley.. it's supposed to give you a 65 hp increase at 5500 rpm over tpi.. well better go i'll get back one way or the other..
again i'm sorry.. badgta
again i'm sorry.. badgta
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Joined: Oct 1999
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From: Gulf Breeze, Florida
Car: 1991 Trans Am
Engine: L98
Transmission: 4L60
No trouble at all, badgta. Unless something incredible comes up, I'm going to wait you out on this one. I'd like to have first crack at your parts if that's ok. Please just show some pics when it's done and we'll deal. As for the Stealth Ram, well...I just don't have a lot of money. Which is one reason I want to go with ported stock parts. The other reason is I want to stay as stock as I can. (Ported stock TPI and ported stock heads) I want it to look stock but just be a little better. Also, it's my daily driver and I'm not trying to be too radical. Thanks for the reply.
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From: KY
Car: 1991 FORMULA
Engine: ZZ4 + LT4 HT CAM 430HP
Transmission: 700-R4 COMING T56
Axle/Gears: 9" 4.56's (COMING)
ported tpi
cool fred... here is a pick of her when she was in the ta.. the only reason i'm selling is because she just isn't going to flow enough air for 500hp... hopefully the dude at the shop will get his *** movin!!
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Joined: Oct 1999
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From: Gulf Breeze, Florida
Car: 1991 Trans Am
Engine: L98
Transmission: 4L60
badgta, to what extent are these pieces being ported? It's just port matching right? From the heads/intake up to the plenum/throttle body? The reason I ask is I'm unsure what the limitations to the stock components would be.
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From: KY
Car: 1991 FORMULA
Engine: ZZ4 + LT4 HT CAM 430HP
Transmission: 700-R4 COMING T56
Axle/Gears: 9" 4.56's (COMING)
porting
the base can be done either way.. siameesed, where the metal that seperates the runners are completely taken out or just ported out.. the plenum will be done the same and were going to try somthing new and better that might give even a few more hp... will do the way you want or i can sell you the hole tpi unit for 100$ and you can have it done specifically for what your wanting.. the parts either ported or not will be cleaned and painted metallic silver just like factory for a nice looking peice.. let me know dude...
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Joined: Oct 1999
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From: Gulf Breeze, Florida
Car: 1991 Trans Am
Engine: L98
Transmission: 4L60
badgta, all I'm concerned with is the very reasonable $200 you quoted me for the ported stuff. As long as we stay at that price, you can port match, or you can kick that induction system's ***!
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Joined: Mar 2001
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From: CLIMAX, GA. USA
Car: 1972 LT1 Corvette
Engine: 350 HO
Transmission: M22 Heavy Duty 4 Spd
Axle/Gears: 336
The limitation is the internal diameter of the runner tubes. Porting the plenum or intake or heads for that matter larger than the tubes is a waste of time and money.
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From: KY
Car: 1991 FORMULA
Engine: ZZ4 + LT4 HT CAM 430HP
Transmission: 700-R4 COMING T56
Axle/Gears: 9" 4.56's (COMING)
nah dude!
fred, i wouldn't do that to ya dude!! it's still 200$ what i was saying if you wanted it unported i'd sell it to ya for 100$ wasn't trying to screw ya over... from now and until you get it it will always be 200$, anything more personally would be a rip off... i gaurentee that when you see it you'll know why your buying it..
i'm going to the machine shop today and see if theyv'e started and i will have pics if they have... later badgta
i'm going to the machine shop today and see if theyv'e started and i will have pics if they have... later badgta
Thread Starter
Member

Joined: Oct 1999
Posts: 131
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From: Gulf Breeze, Florida
Car: 1991 Trans Am
Engine: L98
Transmission: 4L60
Not that I don't trust you, bad. IMO, you're just giving me such a good deal, I was just making sure I was reading it right. :-) I'll be waiting for info.
Thread Starter
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Joined: Oct 1999
Posts: 131
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From: Gulf Breeze, Florida
Car: 1991 Trans Am
Engine: L98
Transmission: 4L60
badgta, are you matching these openings to gaskets? Would it be easier if I sent you the TPIS big mouth gaskets I intend to use to match them? Let me know.
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From: KY
Car: 1991 FORMULA
Engine: ZZ4 + LT4 HT CAM 430HP
Transmission: 700-R4 COMING T56
Axle/Gears: 9" 4.56's (COMING)
ported tpi
hey fred.... the way where going to try to port them is actually taking the middle section that seperates the runners out.. stock tpi's are pretty big gaskets and i think tpis just sells them to fool people.. i'll show ya what i mean with the pics.. there is a tech article intitled siameeseing you tpi and it shows exactly what we will be doing... when will smooth everything better for even more flow... give me a little time and you'll have your intake and waxing stangs in no time!!!
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