Im working on an L98 intake that was in a light wire harness fire. I have totally stripped it and cleaned it up. Now I need to know what size all the bolts and hex head screws are. I can order them far cheaper than ordering a complete kit. I also need to know What all the sensors are and what injectors I should order. Oh yeah. all the O rings in the fuel logs are bad too so i need to know what size those are or where i can get them. Any Help is greatly apprecitated

JJ

 

you have it sitting there why don't you check what size al lthe bolts are? if you know what year and what it came out of just ask for the sensers for that application. for the injectors it'd help to know what you're going to do with it.

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ICON Motorsports

1st & 3rd

 

Id love to Check the sizes. The bolts are all rusty and caked with silocone sealant and i cant tell what type threads they have or even what size they were. I have no clue what year it is, I bought it from a junkyard. Turns out the motor is a race built monster. With the setup it has now it can easilly make over 500HP. I want to tune it to around 390 or 400HP. It has flat top pistons if it makes any difference. The Heads are ported and polished with roller rockers. The Crank has been hand gound balanced and lightened. It has Steel forged I beam Connecting Rods. It has a High Rpm circle track Lunatti cam with Hydraulic lifters. I want to Street this motor and get at least 15mpg

well i hope some of this info helps


JJ

 

You can use a dial caliper to check the diameter,and a thread gauge to measure the threads.The L98 went into production for the 1987 model year through the 1992 model year so if you can get a Firebird or Camaro specific GM service manual for one of those years,it will give you bolt sizes.

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We need Perry Mason