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On-center 153, S2 6-bolt heads are a must. Else is negotiable.

Heads are GN1R. I have whole BGC setup for off-center but new block is on-center. So even only lower intake without everything else will do.

Hi, long story short, My SII Off-center block finally gave up and I got a new one witch is SII On-center. Now, can I use the current Off-center Oliver rods in there and if yes, how much HP potential I lose? Thanks.

Firstly, where to get the cam bolt that would have an integral roller bearing on the bolt head. I had this when I aquired the engine but broke it and substituted to a normal one. It is clearly rubbing the front cover and I cant shim it less. I'm using racepumps fuel pump, and the tolerance...

Once upon a time, in a land far-far away a Idea was born... It was around August 1. 2009... 08.09 09.09 10.09 11.09 12.09 03.10 04.10 05.10 07.10

Does anyone have wiring diagram of the plug-and-play harness for GN that Precision sold/sells? I have contacted Precision and Bigstuff but neither has any schematics of the "BV6" build. The issues are: 1) Where to contact knock module. I have some vague info that it should go to 4th...

I have a SII setup, where intercooling is not possible, and it will run on E100. Would it make sense, to inject some of it, say 25% well upstream to cool the air?. Right now I have 2 044 bosch pumps(total 520lph) and 6 150lb injectors(total 576lph). So I'm good up to 90%DC on the 6. I would...

I'm in need of the following: 1) damper, neutral balance, needs to be SFI certified, needs to have reluctor wheel. 2) pulley to fit the damper, can be stocker or RJC. Must be for serpentine belt, not V belt. Thanks.

Looking for a converter to use between th425 and 274ci stage2 with pte88 but as usual, funds are tight. Stall should be around 3500-4000. Quotes with shipping to: Estonia, Tallinn, 10127 If the converter weighs less than 20lb(9" to 11" should?), then preferred shipping is usps large...

6.5" .928" pin wide journal, at least 3 needed. Can be full set, if price is right. P.S. This happened :) and next event is in 2 weeks time...

Hi, So I got my S2 engine and trying to figure out parts an tolerances. 1) Cam - specs unknown, markings: Precision Turbo & Engine Z-2460 BV6-224-1210. I tried to contact Precision from the online form but no reply. 2) Sleeve - the block has a crack in #1 cyl. I have a local machine...

I'm in progress of building a drag Fiero with a TH425 and GN powerplant, and have hit a brick wall with the trans. The basic internals are the same as 400, so right drum, 34 sprag(installed other way, since 425 rotates backwards), decent steels and frictions, metal clad seals etc. is...

Hi, since I'm newb to GN, I need some identifying info. I purchased a 2bbl NA 109 block today(only one available here) and tore it apart. The Heads are "445" and block is "109". Block had stickers: "11/5/86" "6553NMA0188460" I need info on the pistons(are those same as turbo) and...

Hi, I'm building a Bu-n-tiac Fiero Grand National drag car and joined here for engine related information. I have already completed a 3800 based turbo Fiero for weekend warrior, but now, a drag-only car is needed, since stakes are higher. Few months ago, the engine choice was open, but...