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  1. M

    Holiday Get-together at Benchmark Tuning!

    Hey all, Thought I would throw it out there that we at Benchmark Tuning are having a holiday get together Saturday December 26 from 10 am till whenever! This isn't a sales pitch day, just a day where guys can gather in the crappy weather and chill instead of messing with the day after...
  2. M

    Benchmark Tuning in Melrose Park Open House and Dyno Contest!

    Hey all, I don't want to offend anyone here but we just opened and will be having our grand opening this Saturday October 10th. I am not a vendor yet, but have been a member here for awhile and would love to see some higher horsepower GN's on the dyno Saturday to represent our community...
  3. M

    Need help with code 43 and engine not staying running!

    :mad: Hey guys, I put in the motor I had bought from Chris and hooked everything up....put the new bearings in and each was clearanced at .0015 with plastigage.... However, on startup the car built about 60psi of oil pressure and then shortly after throws code 43....esc failure/engine...
  4. M

    Just got my new 6765bb turbo!

    Hey all, Just recieved my 6765dbb turbo a week ago and just had the actuator hole milled out to 1 1/8" to help with boost creep as many have been running into issues. I chose to have my local machine shop put it on a lathe and do it rather than carbide bit method, a little cleaner and only...
  5. M

    Should the main bearings look like this?

    Hey guys, I bought this motor off the board and was only supposed to have about 1000 miles on it, figured I would replace the rear main seal before installing it and this is what the rear main bearing looks like.......is this bad? Thanks for the help...... I need to know what...
  6. M

    size of tranny to block bolts

    Hey guys, I am going to put extra engine on an engine stand and was wondering if anyone new the thread size so I can pick up some bolts to bolt it to the stand. Thanks all, Mike
  7. M

    Parts for Sale

    Hey all, I am going to a new combination and have some parts for sale.... 3" SS THDP internal actuator style with dump pipe. Has hole for egt bung. 300.00 3" chrome maf pipe with lt1 maf sensor 150.00 009 injectors and TT 93 octane chip, worked great with the lt1 maf and...
  8. M

    Contemplating on which turbo to order.....

    Hey all, I was set on the 6776bb turbo from Precision until I started reading about their new boosted turbos and the GT6765 boosted turbo which is supposedly better technology. Anyone have any info on this? I have a 3000 stall in the car and was going to go with the precision stock location...
  9. M

    ATR 2.5" stock elbow style downpipe

    I went to a different downpipe so this one is up for grabs. It utilizes the stock elbow off the turbo and is stainless steel. It is in great shape and includes a test pipe w/o cutout. 200.00 obo.....
  10. M

    Needed some help with crossover,

    Hey guys, I replaced the driver's side header with the Kirban's replacement and can't get the crossover to seal on the flange. I have actually taken sandpaper and ensured no burrs or high spots on either ball flange but hasn't helped and also moved around several times. Does anyone know...
  11. M

    More knock in cold weather?

    Hey guys, I have noticed considerably more knock retard in cold weather, especially in initial tip in throttle. I am assuming this is from the cold dense air, and increased oxygen flow. Can this issue be solved by just increasing fuel pressure a couple of pounds? Also noticed a slight...
  12. M

    Passenger header support cracked, help

    Hey guys, Is it a big deal if the support going from the #2 cylinder to the turbo flange is not attached to the turbo flange? Nothing seems to be bound, however the brace is about a 1/4 of an inch away from the flange (to the outside of it, so the turbo couldn't have possible moved that far...
  13. M

    Power door lock help,

    Hey guys, I am new to the gn's, I just purchased an 87 gn. The door locks don't currently work so I've been tracing and according to manuals the relay is in the ps kickpanel bottom access hole. This should be behind the ecm correct? If so, mine isn't there, removed ecm and inner kickpanel...
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