Anybody Doing Anything With The LZ9 Engine?

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  • 88corsica5spd28
    • Jan 2014
    • 15
    #31
    The input shaft on the tranny broke, I believe.

      Comment

      • Kaos
        • Mar 2014
        • 122
        #32
        Ohhhh ok. Lol.


        Sent from my iPhone using Tapatalk

          Comment

          • bearbear3_4
            • Jun 2011
            • 75
            #33
            Yeah input shaft broke. Replaced that with a hardened one then the clutch disc's went bare and the material trashed up the valve body. So now it sits while I work on a replacement.

              Comment

              • Will'sFiero
                Too many valves
                • Sep 2004
                • 276
                #34
                284 swap?
                Current:
                \'87 Fiero GT: 12.86@106 - too dam many valves; ran 12.94 @ 112 on new engine, then broke a CV joint
                \'88 Fiero Formula: slow and attention getting; LZ8 followed by LLT power forthcoming
                \'88 BMW 325iX: The penultimate driving machine awaiting a heart transplant

                Gone, mostly forgotten:
                \'90 Pontiac 6000 SE AWD: slow but invisible

                  Comment

                  • bearbear3_4
                    • Jun 2011
                    • 75
                    #35
                    Originally posted by Will'sFiero View Post
                    284 swap?
                    4T80E

                      Comment

                      • caffeine
                        • Jan 2012
                        • 1489
                        #36
                        There's a guy running 10s in a cavalier with a built 4t65E. Might be worth looking in to.
                        '89 Firebird, 3500 Turbo, T56, 9-bolt/4.11
                        '86 Fiero, 3500, 4-speed

                          Comment

                          • Superdave
                            Been there, Built that.
                            • Sep 2004
                            • 5850
                            #37
                            +1 for the 284 swap... lmao
                            Past Builds;
                            1991 Z24, 3500/5 Spd. 275WHP/259WTQ 13.07@108 MPH
                            1989 Camaro RS, ITB-3500/700R4. 263WHP/263WTQ 13.52@99.2 MPH
                            Current Project;
                            1972 Nova 12.73@105.7 MPH

                              Comment

                              • bearbear3_4
                                • Jun 2011
                                • 75
                                #38
                                Originally posted by caffeine View Post
                                There's a guy running 10s in a cavalier with a built 4t65E. Might be worth looking in to.
                                I know the 65E can be built to handle the power, right now I have less then 500 into the 80E with a high stall converter, 3.71 gearing, and updated valve body. So I'm still way under the 2k price of a built trans.

                                  Comment

                                  • caffeine
                                    • Jan 2012
                                    • 1489
                                    #39
                                    I think I've read somewhere that the 80 isn't easily controlled. Do you already have a trans controller figured out?
                                    '89 Firebird, 3500 Turbo, T56, 9-bolt/4.11
                                    '86 Fiero, 3500, 4-speed

                                      Comment

                                      • robertisaar
                                        W-Body for Life!
                                        • May 2007
                                        • 6414
                                        #40
                                        from a control standpoint, it has the exact number and type of sensors as a 4T65.... i would say that if there are any control problems, they either aren't 4T80 specific or base calibrations aren't anywhere where they need to be.
                                        1995 Monte Carlo LS 3100, 4T60E...for now, future plans include driving it until the wheels fall off!
                                        Latest nAst1 files here!
                                        Need a wiring diagram for any GM car or truck from 82-06(and 07-08 cars)? PM me!

                                          Comment

                                          • 85-308
                                            • Mar 2011
                                            • 56
                                            #41
                                            hi BearBear; is there a link where I can see what you've done? Just picked up a crate LZ9 to put into my 308/fiero project.... Interested in doing 'something' extra but it will depend on long term reliability rather than total (ie momentary) power output.
                                            Likely will pair it with a G6 6 spd manual.

                                            thx
                                            GP

                                              Comment

                                              • noxiousb4c
                                                • Jul 2014
                                                • 2
                                                #42
                                                I'm thinking about putting a 3.9 and t5 in my miata. I tune my lsx stuff with hptuners. I want to go NA.

                                                From what I gather 3.9 + 3.5 intake ported + cam + non phasing timing set/springs should have me somewhat close to 275+hp? A 3.9 bolts to a t5 correct?

                                                  Comment

                                                  • caffeine
                                                    • Jan 2012
                                                    • 1489
                                                    #43
                                                    Sounds about right and yes it will bolt to a T5
                                                    '89 Firebird, 3500 Turbo, T56, 9-bolt/4.11
                                                    '86 Fiero, 3500, 4-speed

                                                      Comment

                                                      • noxiousb4c
                                                        • Jul 2014
                                                        • 2
                                                        #44
                                                        Ha I had just emailed myself your reply to someone else with the information in the swap section. Thanks for the info!!

                                                        Where is everyone getting parts for these things? Wot-tech the only place?

                                                          Comment

                                                          • caffeine
                                                            • Jan 2012
                                                            • 1489
                                                            #45
                                                            Wot-tech is the best place I know of.
                                                            '89 Firebird, 3500 Turbo, T56, 9-bolt/4.11
                                                            '86 Fiero, 3500, 4-speed

                                                              Comment

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