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the LT5 still is a superior piece of engineering compared to the LSx. I love the twin turbo callaways, but many owners had bad experience with early IHI turbo failures, broken rods, overboosting, etc... I know one gent who went through 4 sets of turbos and was told "don't come back" the...

the Northstar, Olds, and Gen III SB LSx series all benefited greatly from the technology and lessons learned in the manufacturing of the LT5. I still believe that the quality of the LT5 is unsurpassed, but indeed weight and packaging issues as well as cost led to the obvious conclusion that the...

I've had success with using the 50/50 simple green mix. q-tips, and lots of elbow grease. once clean, I take some polishing compound and attack the stains. if they are deep enough, not much you can do, but for light stains, the polishing compound gets enough of the dirty/stained paint off...

check a few other things too. plugs, coil packs. a misfire causes the hesitation too. lt5s are known to sometime crack the plug insulator (can hear the plug rattle) not sure why. with these driveability problems, I always change the plugs as it's ez and sometimes something a small as a...

I just saw a post from MOM (Dave Bright) that the BB Suburban Fuel pumps are a direct replacement. I haven't had a failure yet so I haven't tried them. I'd be tempted to see if a Walbro 340 pump would fit. they flow well and are just over 120. the pumps can be replaced. the dealer sells you...

do yourself a favor and contact Joe Malo at Pohanka. Joe is a sharp LT5 tech and great to work with. tell em Ron sent ya. I have 3 ZR1s and Joe is who I turn to for anything I'm too lazeee to do myself. he gives me such a great price it's hard for me to justify doing the work myself and I...

Contact Joe Malo at Pohanka in Chantilly. he is the best. tell em ron sent you. he knows ZR1s and will treat the car like it's his. you will not be disappointed!!! Joe does fantastic work. contact me at Ron_Kreigh@hotmail.com for advice on getting your car going, sounds like it may...

a wet king is not a dead one. insurance companies will total the car due to the crappy pricing, and it's expensive to restore and get running right. this car would be a great 415 project car to tear down, clean up, and put back together. sure lots of work is needed, but the car isn't dead...

I have a very clean 95 ZR1, AL Dunns Heads (1 of 130) with headers, random bullet cats, flowmaster exh. (you will love the sound). car is torch red, black interior, 57 K well cared for garage kept miles. soft market or not, I want $36K firm. this car dynoed at 361 HP at the wheels before the...

the plumbing is a very difficult thing indeed. putting the intercoolers in the corner of the nose involves reloation of the cooolant overflow and LOTS of stuff in the drives side. LPE made a single duall inlet, single outlet intercooler which is bit more elegant and simplifies the plumbing. I...

you need a new washer under the cam cover bolt. these special washers have a little rubber o ring built in and seal up the leak. they are $6 from GM. Kurt White at whiteracingproducts.com should be able to get them cheaper. make sure you correctly torque the bolt!!! get a good tool too...

thanks. Jeal did the code for the CERV III twin turbo LT5 and may have some custom pistons. lowering the compression is pretty essential. I have had some conversations with Bill Kirchoffer in Jeal of Ky about building the short block. I would agree that this is a difficult project and best...

72 K miles, ported intake, inj housing, 63 mm throttle body, rippie exhaust, GSCs, 5 spokes, 4.10 super dana gears, new wheel bearings, kurt white shifter mod, new clutch, pressure plate, new master, DRM modified slave, battery, roll bar, lowered, poly bushings, braided brake lines. just bought...

that's the advice I'm looking for. I have a DRM 90 for sale to finance this project, and the more I "hold it up to the light" I realize why LPE and others charged so much. I will definitely contact rippie as he knows I'm serious. I'm getting some inheritance cash and life is too short to wait...

Hi guys, since no one is building any Twin Turbo ZR1s anymore, I'm trying to get it done!!! I need help in selecting vendors and a technical approach. I have LOTS of turbo experience from my turbo buick days and have even hung around the callaway forums to learn as much as I can. I have been...

I'm trying to build a twin turbo ZR1. any help you gents could provide with pipe benders, and expert tuners would be appreciated. I have done most of my posting on the CF. but I need to get more input. email me or post with any thoughts. thanks. ron_kreigh@hotmail.com

contact bill b at www.zfdoc.com. sounds like the dual mass flywheel might be going bad. does the car shift OK?? if you have ZF problems bill is the man. call him up and give him as much info as you can. also be sure to check the clutch master/slave. very common to have a leak and the...

fyi, Reggie W gave me a tip and told me that extreeme metal polish is stocked at lots of motorcycle shops. the bike guys live for chrome and this stuff works well on the LT5. I'm gonna investigate and let you guys know where I find it. I may "stock it" for LT5 guys that want to come by and...

brians headers are really nice. I saw the prototypes last year at BG. I just emailed VA LT5 registry members. if anyone wants these headers, but can't make BG, please let me know. fo $20 I will bring them back to VA and hook up with you to save a few dollars shipping. headers really help...

Yamobethere!!! anybody interested in some RC cars while we are hanging around in the parking lot. I have an itch to see the nitro cars run at the auto x track after everyone is done. looking forward to seeing you guys, don't miss this one!! rumour has it that LPE might bring a twin turbo...