smaller GM HEI

[BFS57]

Hello;
I am gearing up to put my TPI in my '57. I don't have enough room for the HEI I have but I have heard that the 1988 Firebird HEI is a smaller sized unit. Does anybody know the size of this HEI? I have a "distributor" now, but not much room for something any bigger and I don't want to use MSD as the computer will not control my spark using the MSD unit.
Anyone got any answers???

Thanks, Bruce

[unklian]

One option: http://www.davessmallbodyheis.com/

[Pope Downunder]

Hello;
I am gearing up to put my TPI in my '57. I don't have enough room for the HEI I have but I have heard that the 1988 Firebird HEI is a smaller sized unit. Does anybody know the size of this HEI? I have a "distributor" now, but not much room for something any bigger and I don't want to use MSD as the computer will not control my spark using the MSD unit.
Anyone got any answers???

Thanks, Bruce

I have researched this for mine;
1987 and later have the small distributor with the remote coil.   The distributor from 1990-92 cannot be used on earlier due to different est module.  Also, be careful to get the right drive gear to suit the material of your cam; the roller cam engines need the steel gear.

I have a 'Daves' small body HEI conversion that he fitted into an old Delco dizzy, and it is nicely done.  Dave is also good to deal with, from my experience.

[Bib_Overalls]

Dave has done two distributors for me; a Chevy and one for the Olds 215 I am building.  I highly recommend him.  He rebuilds your distributor and based on the info you provide, he set the optimum advance curve.

[enjenjo]

Pope has it right, the 87 to 89 HEI will fit, and work with the  early TPI. It's roughly the same diameter as a Delco window style point type distributor, but a bit taller.