what radiator do you have?
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Junior Member
Joined: Mar 2025
Posts: 39
Likes: 9
From: PA
Car: 86 trans am
Engine: 383 w true duals
Transmission: t56
Axle/Gears: 3.73
what radiator do you have?
went through 3 autozone radiators every one blew the drain plug out, anything i can do to fix it? also this time it blew out oil pressure fluctuates a lot easier, should i be worried? crate motor 350 with 1500 miles on it. oil on dip stick looked normal
to clarify oil pressure goes past 60 when over 2k rpm, which it would only do at 4k before
to clarify oil pressure goes past 60 when over 2k rpm, which it would only do at 4k before
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Joined: Nov 2003
Posts: 506
Likes: 331
From: Lake Stevens, WA
Car: 84 Z28, 92 C4 suspension F&R, ABS
Engine: 408 LS2, CNC LS3 heads, Comp Cam
Transmission: Magnum F, RTX clutch, Tick shifter
Axle/Gears: DANA 44, Tru Trac, 3:73 gears
Re: what radiator do you have?
Griffin MegaCool combined with dual 12” Spal fans
Joined: Aug 2011
Posts: 1,261
Likes: 195
From: Jackson NJ
Car: 1984 T/A
Engine: LQ4
Transmission: T56
Axle/Gears: Ford 8.8 4.10 gears
Re: what radiator do you have?
Have you ever pressure tested your cooling system? they also have radiator caps with pressure gauges on them so you can check. I personally am running a Be Cool Radiator with dual spal fans.
Joined: Aug 2006
Posts: 12,789
Likes: 94
From: Central NJ
Car: 86 Trans Am
Engine: 408 stroker sbc
Transmission: TKO600
Axle/Gears: Moser full floater m9, 3:70 trutrac
Re: what radiator do you have?
Ive had champion, griffin, afco and cheap *** ebay special ones. Never had one blow out. Definatly check your pressures.
Supreme Member
Joined: Oct 2004
Posts: 4,526
Likes: 238
From: Henrietta NY
Car: 1984 Trans Am L69
Engine: Sniper EFI Powered 355
Transmission: WC T5 w/ Steel Support Plate
Axle/Gears: 3.42 10 Bolt Posi
Re: what radiator do you have?
Supreme Member
Joined: Feb 2005
Posts: 2,508
Likes: 201
From: Hawaii
Car: 89' Firebird / 87' Formula
Engine: 3.4 / 5.0
Transmission: 700-R4
Axle/Gears: 3.42 / 3.42
Re: what radiator do you have?
Using a stock designed i think ful lcopper?? unit from a parts store back in the day. no probs so far!
Joined: Sep 2000
Posts: 2,498
Likes: 193
From: Moorpark, CA
Car: '91 GTA, '92 T/A Convertible
Engine: GTA: 350 w/Vortec heads, T/A: 305
Transmission: Pro-built 700R4
Axle/Gears: GTA: 3.27, T/A: 2.73
Re: what radiator do you have?
On my GTA, I have a DeWitts radiator with dual LS1 fans.
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Junior Member
Joined: Apr 2021
Posts: 31
Likes: 15
From: Colorado
Car: 1989 Firebird Formula
Engine: 5.7 350 TPI
Transmission: 700R4
Re: what radiator do you have?
This murray stock unit from O'reilly went in my 89 formula 350 hassle free. No problems 2 years yet, knock on wood.
MHT # 433918
MHT # 433918
Thread Starter
Junior Member
Joined: Mar 2025
Posts: 39
Likes: 9
From: PA
Car: 86 trans am
Engine: 383 w true duals
Transmission: t56
Axle/Gears: 3.73
Re: what radiator do you have?
just got another, the hose thats supposed to go near the yop, is it hooked up to nothing for pressure relief? got a new cap too hopefully it helps
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